Automotive electrical systems

At Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

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Mercedes W167 W177 Radio Stereo Nav Navigation Head Unit High A1679005218

Part no. A1679005218

Mercedes W167 W177 Radio Stereo Nav Navigation Head Unit High A1679005218

£379.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W169 W245 180 CDI OM640.940 109HP Engine ECU Kit A6409004900 Key Lock

Part no. A6409004900-1

Mercedes W169 W245 180 CDI OM640.940 109HP Engine ECU Kit A6409004900 Key Lock

£132.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186100

Part no. A2056186100

Mercedes W205 W238 Rear Battery Holder Bracket Mount Strap Clamp A2056186100

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes H243 EQA Battery Bracket Holder Mount Cover Orange A7893432611

Part no. A7893432611

Mercedes H243 EQA Battery Bracket Holder Mount Cover Orange A7893432611

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W169 Door Wiring Cable Front Right O/S Door Harness Loom A1695407505

Part no. rhd-A1695407505

Mercedes W169 Door Wiring Cable Front Right O/S Door Harness Loom A1695407505

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Microphone Cable Mercedes Citan W415 Wiring Loom Cable Harness 27083202

Part no. A4155404305

Microphone Cable Mercedes Citan W415 Wiring Loom Cable Harness 27083202

£47.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Door Wiring Front Right O/S Harness Loom Cable A2055409648

Part no. rhd-A2055409648

Mercedes W205 Door Wiring Front Right O/S Harness Loom Cable A2055409648

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W176 Multimedia Box Wiring Loom Electrical Harness For RHD A1765403104

Part no. rhd-A1765403104

Mercedes W176 Multimedia Box Wiring Loom Electrical Harness For RHD A1765403104

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Multimedia Control Mercedes C118 W167 W177 W247 Module Unit ECU A2479002212

Part no. A2479002212

Multimedia Control Mercedes C118 W167 W177 W247 Module Unit ECU A2479002212

£189.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Battery Power Connection Wiring Bar Rail Busbar A2055455400

Part no. A2055455400

Mercedes W205 Battery Power Connection Wiring Bar Rail Busbar A2055455400

£32.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Fuse Box Mercedes X253 GLC 220d Engine Compartment Fuse Relay Module A2535409715

Part no. rhd-A2535409715

Fuse Box Mercedes X253 GLC 220d Engine Compartment Fuse Relay Module A2535409715

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Door Module Mercedes C219 Front Door Left N/S Control Module A2198201926

Part no. A2198201926

Door Module Mercedes C219 Front Door Left N/S Control Module A2198201926

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes Sprinter W907 Power Steering Cable Wiring Harness A9075404887

Part no. rhd-A9075404887

Mercedes Sprinter W907 Power Steering Cable Wiring Harness A9075404887

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes SLK R172 SL R231 W222 Air Quality Sensor Unit Module A2229051390

Part no. A2229051390

Mercedes SLK R172 SL R231 W222 Air Quality Sensor Unit Module A2229051390

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W211 CLS C219 Alternator Generator OM642 Diesel 14V 180A A0131547002

Part no. A0131547002

Mercedes W211 CLS C219 Alternator Generator OM642 Diesel 14V 180A A0131547002

£85.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105

Part no. A2049060105-2

Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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SAM Module Mercedes ML W166 Center Electrics Control Modul A1669009311

Part no. A1669009311

SAM Module Mercedes ML W166 Center Electrics Control Modul A1669009311

£180.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Starter Wiring Mercedes W212 Fuse Box Terminal Block Cable Harness A2124400108

Part no. rhd-A2124400108

Starter Wiring Mercedes W212 Fuse Box Terminal Block Cable Harness A2124400108

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Adblue Module Bracket Holder Mount Support A2055452540

Part no. A2055452540

Mercedes W205 Adblue Module Bracket Holder Mount Support A2055452540

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes A238 Convertible Folding Top Roof ECU Module Control Unit A2389000501

Part no. A2389000501

Mercedes A238 Convertible Folding Top Roof ECU Module Control Unit A2389000501

£265.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W176 Heater Matrix Evaporator Wiring Cable Harness For RHD A2468200715

Part no. rhd-A2468200715

Mercedes W176 Heater Matrix Evaporator Wiring Cable Harness For RHD A2468200715

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W177 W213 Gearbox Transmission Control Module Unit ECU A2139007436

Part no. A2139007436

Mercedes W177 W213 Gearbox Transmission Control Module Unit ECU A2139007436

£66.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W163 Acceleration Sensor Airbag Sensor Modue Unit Temic A1635421318

Part no. A1635421318

Mercedes W163 Acceleration Sensor Airbag Sensor Modue Unit Temic A1635421318

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes X166 Rear SAM Control Fuse Box Module Unit ECU A1669003912

Part no. A1669003912

Mercedes X166 Rear SAM Control Fuse Box Module Unit ECU A1669003912

£70.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Sunroof Wiring Mercedes W205 X253 Panoramic Roof Motor Cable Harness A2058200704

Part no. A2058200704

Sunroof Wiring Mercedes W205 X253 Panoramic Roof Motor Cable Harness A2058200704

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes C209 Body Control Module Unit Temic 376 800 GZ A2098200326

Part no. A2098200326

Mercedes C209 Body Control Module Unit Temic 376 800 GZ A2098200326

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W639 Brake Yaw Rate Sensor ECU A0009055700

Part no. A0009055700

Mercedes W639 Brake Yaw Rate Sensor ECU A0009055700

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Battery Cover Mercedes W205 W212 Battery Positive Pole Cover Red A0005468502

Part no. A0005468502

Battery Cover Mercedes W205 W212 Battery Positive Pole Cover Red A0005468502

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 S205 C205 A205 Cable Wiring Loom Harness A2055401996

Part no. rhd-A2055401996

Mercedes W205 S205 C205 A205 Cable Wiring Loom Harness A2055401996

£47.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 Parking Sensor Parktronic Display Control A2048208526

Part no. A2048208526

Mercedes W204 Parking Sensor Parktronic Display Control A2048208526

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes H243 EQA Connection Box Control Unit Module Distributor A7895464900

Part no. A7895464900

Mercedes H243 EQA Connection Box Control Unit Module Distributor A7895464900

£132.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes C117 X156 All Wheel Drive Control Unit Module ECU MFA A2469006918

Part no. A2469006918

Mercedes C117 X156 All Wheel Drive Control Unit Module ECU MFA A2469006918

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W176 W204 W207 W166 Relay 4 Pin Grey Hella SET X2 A0025428719

Part no. A0025428719-1

Mercedes W176 W204 W207 W166 Relay 4 Pin Grey Hella SET X2 A0025428719

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes Benz C E W204 W207 Control Unit Module SAM Bracket Mount A2045455640

Part no. A2045455640

Mercedes Benz C E W204 W207 Control Unit Module SAM Bracket Mount A2045455640

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes-Benz C-Class W204 Aerial Antenna Amplifier Unit A2048205189

Part no. A2048205189

Mercedes-Benz C-Class W204 Aerial Antenna Amplifier Unit A2048205189

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Door Wiring Mercedes W447 W448 Harness Loom A4475404926

Part no. A4475404926

Door Wiring Mercedes W447 W448 Harness Loom A4475404926

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes R172 Electrical Wiring Harness Cable Window Regulator A1725408705

Part no. A1725408705

Mercedes R172 Electrical Wiring Harness Cable Window Regulator A1725408705

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Starter Wiring Mercedes W204 Alternator Generator Cable Harness A2075400510

Part no. rhd-A2075400510

Starter Wiring Mercedes W204 Alternator Generator Cable Harness A2075400510

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes Sprinter W907 W910 Ignition Lock Control Unit Module ECU A9079006906

Part no. A9079006906

Mercedes Sprinter W907 W910 Ignition Lock Control Unit Module ECU A9079006906

£165.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Crash Sensor Mercedes W164 W221 W639 W906 Impact Control Unit A0038202826

Part no. A0038202826

Crash Sensor Mercedes W164 W221 W639 W906 Impact Control Unit A0038202826

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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SAM Module Mercedes W205 GLC X253 Rear Comfort Control Unit ECU A2059006047

Part no. A2059006047

SAM Module Mercedes W205 GLC X253 Rear Comfort Control Unit ECU A2059006047

£104.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Electrical Cable Wiring Loom Harness Cabling 0E02120368

Part no. 0E02120368

Mercedes W205 Electrical Cable Wiring Loom Harness Cabling 0E02120368

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 USB Port Cable Multimedia Interface Cable MI2-Ipod A0028272104

Part no. A0028272104-1

Mercedes W204 USB Port Cable Multimedia Interface Cable MI2-Ipod A0028272104

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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MercedesW213 Rear Tailgate Boot Control Module Unit A2139052109

Part no. A2139052109

MercedesW213 Rear Tailgate Boot Control Module Unit A2139052109

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes R231 Navigation CD Player Radio Stereo Sat Nav Head Unit A2319006307

Part no. A2319006307-1

Mercedes R231 Navigation CD Player Radio Stereo Sat Nav Head Unit A2319006307

£1,044.95

Free delivery - Thu, Dec 18

If paid before 14:00

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 Mercedes W221 Door Harness Left Right N/O/S Rear Door Wiring Loom A2215408335

Part no. A2215408335

Mercedes W221 Door Harness Left Right N/O/S Rear Door Wiring Loom A2215408335

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic

Part no. A6519007500-16

Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W251 COMAND Navigation Head Unit Radio Sat Nav Screen A2519062200

Part no. A2519062200-1

Mercedes W251 COMAND Navigation Head Unit Radio Sat Nav Screen A2519062200

£284.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes ML W164 Front Fuse Box SAM Relay Control Unit Module A1645400072

Part no. A1645400072

Mercedes ML W164 Front Fuse Box SAM Relay Control Unit Module A1645400072

£180.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes-Benz A-Class W168 Fuse Box Unit Holder Bracket Frame A1685453340

Part no. A1685453340

Mercedes-Benz A-Class W168 Fuse Box Unit Holder Bracket Frame A1685453340

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W177 Air Module SRS System Control Unit ECU A1779002410

Part no. A1779002410

Mercedes W177 Air Module SRS System Control Unit ECU A1779002410

£56.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Electrical Cable Wiring Loom Harness Cabling 0E02320113

Part no. 0E02320113

Mercedes W205 Electrical Cable Wiring Loom Harness Cabling 0E02320113

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Wiring Cable Harness Center Console Ambient Lightning A2055404913

Part no. A2055404913

Mercedes W205 Wiring Cable Harness Center Console Ambient Lightning A2055404913

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes-Benz S-Class W221 Front Door Hinge Bracket Mount Holder Carrier Support

Part no. A2217200014

Mercedes-Benz S-Class W221 Front Door Hinge Bracket Mount Holder Carrier Support

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W164 Wiring Loom Cable Harness Door Rear Left Right A1644407110

Part no. A1644407110

Mercedes W164 Wiring Loom Cable Harness Door Rear Left Right A1644407110

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes Sprinter W906 Radio CD Player Audio Multimedia Head Unit A9069005203

Part no. A9069005203

Mercedes Sprinter W906 Radio CD Player Audio Multimedia Head Unit A9069005203

£189.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine ECU Kit Key A6401501891

Part no. A6401501891-1

Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine ECU Kit Key A6401501891

£189.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Electrical Cable Wiring Loom Harness Cabling 0E02220364

Part no. 0E02220364

Mercedes W205 Electrical Cable Wiring Loom Harness Cabling 0E02220364

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W176 Battery Support Holder Bracket Mount A2466200028

Part no. A2466200028

Mercedes W176 Battery Support Holder Bracket Mount A2466200028

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W176 W204 W212 Telematics Communication Control Unit Module A2429007001

Part no. A2429007001-1

Mercedes W176 W204 W212 Telematics Communication Control Unit Module A2429007001

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 Warning Device Parktronic Display Rear Sound Signal A2045420623

Part no. A2045420623

Mercedes W204 Warning Device Parktronic Display Rear Sound Signal A2045420623

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes H243 EQA Intica Control System Module Unit Box A804000611

Part no. A804000611

Mercedes H243 EQA Intica Control System Module Unit Box A804000611

£94.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Air Module Mercedes ML W164 W251 SRS Control Unit ECU A1648205685

Part no. A1648205685

Air Module Mercedes ML W164 W251 SRS Control Unit ECU A1648205685

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes CL C216 Door Electrical Wiring Harness Left Right N/O/S A2165406307

Part no. A2165406307

Mercedes CL C216 Door Electrical Wiring Harness Left Right N/O/S A2165406307

£56.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Television Tuner Mercedes W207 W221 TV Receiver Control Unit Module A2219006102

Part no. A2219006102

Television Tuner Mercedes W207 W221 TV Receiver Control Unit Module A2219006102

£161.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W166 W292 Rear Axle Suspension Wiring Loom Harness A1664402005

Part no. A1664402005

Mercedes W166 W292 Rear Axle Suspension Wiring Loom Harness A1664402005

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W447 Sliding Door Wiring Loom Harness Right O/S A4475402231

Part no. A4475402231

Mercedes W447 Sliding Door Wiring Loom Harness Right O/S A4475402231

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2069007013

Part no. A2069007013

Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2069007013

£346.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W447 109CDI BE OM622.951 Engine Control Module ECU Kit A6229000500

Part no. A6229000500-1

Mercedes W447 109CDI BE OM622.951 Engine Control Module ECU Kit A6229000500

£284.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes ML W166 Relay Module Box Under Rear Right Seat F4 A1669063901

Part no. A1669063901

Mercedes ML W166 Relay Module Box Under Rear Right Seat F4 A1669063901

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Air Module Mercedes A205 A238 A217 SRS Protection Control Unit A2389009000

Part no. A2389009000

Air Module Mercedes A205 A238 A217 SRS Protection Control Unit A2389009000

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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SAM Module Mercedes W205 GLC X253 Front Body Comfort Control Unit A2059007845

Part no. A2059007845

SAM Module Mercedes W205 GLC X253 Front Body Comfort Control Unit A2059007845

£89.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W177 A35 AMG Engine Wiring Harness Cable Loom M260 Petrol A1775408557

Part no. A1775408557

Mercedes W177 A35 AMG Engine Wiring Harness Cable Loom M260 Petrol A1775408557

£94.95

Free delivery - Thu, Dec 18

If paid before 14:00

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SAM Module Mercedes W205 GLC X253 Front Body Comfort Control Unit A2059006921

Part no. A2059006921

SAM Module Mercedes W205 GLC X253 Front Body Comfort Control Unit A2059006921

£32.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes C204 W207 Suspension Damper Adjustment Control Unit Module A2049005015

Part no. A2049005015

Mercedes C204 W207 Suspension Damper Adjustment Control Unit Module A2049005015

£142.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Centre Console Wiring Mercedes W205 GLC X253 Harness Cable Loom A2055401724

Part no. A2055401724

Centre Console Wiring Mercedes W205 GLC X253 Harness Cable Loom A2055401724

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes ML W164 Battery Fuse Box Power Distribution A1645400750

Part no. A1645400750

Mercedes ML W164 Battery Fuse Box Power Distribution A1645400750

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes CL203 C350 M272.960 272HP Engine Unit ECU A2721535479 Automatic

Part no. A2721535479

Mercedes CL203 C350 M272.960 272HP Engine Unit ECU A2721535479 Automatic

£279.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W242 W246 Multifunction Camera Wiring Loom Harness Cable A2465400213

Part no. A2465400213

Mercedes W242 W246 Multifunction Camera Wiring Loom Harness Cable A2465400213

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W176 W246 Relay 5-Pin Yellow Hella 12V SET X2 A0025428919

Part no. A0025428919-1

Mercedes W176 W246 Relay 5-Pin Yellow Hella 12V SET X2 A0025428919

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes CLC CL203 220 CDI Engine Control Unit Module A6461503934 Automatic

Part no. A6461503934

Mercedes CLC CL203 220 CDI Engine Control Unit Module A6461503934 Automatic

£75.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W203 C270 CDI 170HP OM612.962 Engine Control ECU Kit A6121536379 Key

Part no. A6121537579-1

Mercedes W203 C270 CDI 170HP OM612.962 Engine Control ECU Kit A6121536379 Key

£113.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W246 Air Module Control Unit ECU Module A2469000709

Part no. A2469000709

Mercedes W246 Air Module Control Unit ECU Module A2469000709

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes Sprinter W906 Control Unit Module Bracket Holder Mount A9065451240

Part no. rhd-A9065451240

Mercedes Sprinter W906 Control Unit Module Bracket Holder Mount A9065451240

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Rear Left Right

Part no. A1695403905

Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Rear Left Right

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Rain Sensor Mercedes W213 Front Light Windshield Control Unit A2049017901

Part no. A2139003600

Rain Sensor Mercedes W213 Front Light Windshield Control Unit A2049017901

£56.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W163 W168 W203 W211 Relay Unit 4-Pin Black Set X2 A0025421119

Part no. A0025421119-2

Mercedes W163 W168 W203 W211 Relay Unit 4-Pin Black Set X2 A0025421119

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1779061002

Part no. A1779061002

Fuse Box Mercedes W177 Power Distribution Junction Relay Unit A1779061002

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mount Support Mercedes W212 Audio Sound Amplifier Bracket Holder A2125450440

Part no. A2125450440

Mount Support Mercedes W212 Audio Sound Amplifier Bracket Holder A2125450440

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes-Benz C-Class W203 Door Control Module Unit Rear Right O/S A2038206626

Part no. A2038206626

Mercedes-Benz C-Class W203 Door Control Module Unit Rear Right O/S A2038206626

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W203 Door Module Control Unit Front Left N/S A2038201585

Part no. A2038201585-1

Mercedes W203 Door Module Control Unit Front Left N/S A2038201585

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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C205 Fuse Box Mercedes C205 Electrical Interior Relay Fuse Socket Control A2055402850

Part no. A2055402850

C205 Fuse Box Mercedes C205 Electrical Interior Relay Fuse Socket Control A2055402850

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Battery Cable Negative Lead Wiring Harness Control A2055401516

Part no. A2055401516

Mercedes W205 Battery Cable Negative Lead Wiring Harness Control A2055401516

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Electrical Ground Line Wire Earth Cable A2055404596

Part no. A2055404596

Mercedes W205 Electrical Ground Line Wire Earth Cable A2055404596

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W906 310CDI OM651.956 95HP Engine ECU Kit A6519002600 Key Lock Manual

Part no. A6519002600-5

Mercedes W906 310CDI OM651.956 95HP Engine ECU Kit A6519002600 Key Lock Manual

£284.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Door Cable Mercedes W221 W216 Front Wiring Loom Seat Control Switch A2218210006

Part no. A2218210006

Door Cable Mercedes W221 W216 Front Wiring Loom Seat Control Switch A2218210006

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285

Part no. A1698203285

Mercedes A B Class W169 W245 Door Control Module Right Rear O/S A1698203285

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326

Part no. A2139003326

SAM Module Mercedes W213 C238 Rear Trunk Control Unit ECU A2139003326

£66.95

Free delivery - Thu, Dec 18

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Mercedes Sprinter W910 Remote Key Control Unit Set X2 A2479052503

Part no. A2479052503-1

Mercedes Sprinter W910 Remote Key Control Unit Set X2 A2479052503

£142.95

Free delivery - Thu, Dec 18

If paid before 14:00

Key components of vehicle electrical systems

Original electrical parts for popular car brands

A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.

How does a car's electrical system work?

A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:

  • Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
  1. Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
  2. Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
  3. Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
  4. Starters – Key components of the starting system that enable the engine to be started.
  5. Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
  6. Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
  7. Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
  8. Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
  9. Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.

Key technical parameters of electrical systems

Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.

Why is it worth taking care of your car's electrical system?

Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:

  • Problems starting the engine.
  • Failure of safety systems such as ABS or airbags.
  • Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.

Symptoms of electrical system disruptions

In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:

SymptomPossible causeItem to check
Difficulty starting the engineWorn out starter or batteryStarter motor, battery
Dimming the lightsInefficient alternatorAlternator, voltage regulator
Electric windows not workingDamaged relays or harnessRelays, wires

How to choose the right parts for your electrical system?

When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:

  • Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
  • Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
  • Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.

Compatibility and fit

The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.

Why choose used electrical parts?

Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?

  • Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
  • Ecology – You support recycling and reduce waste by choosing used car parts .
  • Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.

How to take care of your car's electrical system?

To ensure your electrical system operates reliably for years, it is worth remembering a few rules:

  • Regularly check the battery condition and charge level.
  • Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
  • Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.

Step-by-step control procedures

  1. Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
  2. Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
  3. Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
  4. If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.

FAQ - Frequently asked questions about electrical systems in cars

QuestionAnswer
What is a car electrical system?This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia.
What is an alternator for in a car?The alternator generates electrical current when the engine is running and charges the battery.
What is the difference between a starter and an alternator?The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving.
How to check if the battery is working?Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking.
What are the most common symptoms of car electrical failure?Problems starting the engine, flashing warning lights, power windows not working or dimming lights.
Do electrical parts from one model fit another?Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility.
How often should you check your electrical system?It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip.

Summary: Automotive electrical systems at Global Parts Automotive Store

Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

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