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 W176 W246 Starter Cable Loom Wiring 160 180 CDI Diesel A2465405833

Part no. A2465405833

Mercedes W176 W246 Starter Cable Loom Wiring 160 180 CDI Diesel A2465405833

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Wiring Harness Mercedes SLK R171 Vario Power Steering Cable Line A1715401906

Part no. RHD-A1715401906

Wiring Harness Mercedes SLK R171 Vario Power Steering Cable Line A1715401906

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes CL C216 W221 Rear Fuse Relay Box Control Unit A2219067100 A2219067000

Part no. A2219067100

Mercedes CL C216 W221 Rear Fuse Relay Box Control Unit A2219067100 A2219067000

£66.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 C207 Air Suspension Dynamic Level Control Unit Module A2049002002

Part no. A2049002002

Mercedes W204 C207 Air Suspension Dynamic Level Control Unit Module A2049002002

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz A B W176 W246 Gearbox Control Module Bracket Holder A2465450500

Part no. A2465450500

Mercedes-Benz A B W176 W246 Gearbox Control Module Bracket Holder A2465450500

£17.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Retaining Plate Mercedes W205 Relay Fuse Box Holder Bracket A2055463100

Part no. A2055463100

Retaining Plate Mercedes W205 Relay Fuse Box Holder Bracket A2055463100

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W164 Aerial Antenna Amplifier A1648207789

Part no. A1648207789

Mercedes W164 Aerial Antenna Amplifier A1648207789

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Wiring Mercedes W212 Loom Cable Rear Left Right N/O/S A2124405933

Part no. A2124405933

Door Wiring Mercedes W212 Loom Cable Rear Left Right N/O/S A2124405933

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes CL C216 Rear SAM Module Control Unit ECU A2219004601

Part no. A2219004601

Mercedes CL C216 Rear SAM Module Control Unit ECU A2219004601

£180.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059009321

Part no. A2059009321

Mercedes W205 SAM Module Front Body Comfort Control Unit ECU A2059009321

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W245 B200 CDI OM640.941 140HP Engine ECU Kit A6401508334 Key

Part no. A6401508334

Mercedes W245 B200 CDI OM640.941 140HP Engine ECU Kit A6401508334 Key

£237.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Central Audio Navi Sat Display Screen Multi Media A2218205389

Part no. rhd-A2218205389

Mercedes W221 Central Audio Navi Sat Display Screen Multi Media A2218205389

£51.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908

Part no. A2049005908-2

Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz W221 Rear Left Right N/O/S Headlining Interior Mirror A2218101817

Part no. A2218101817

Mercedes-Benz W221 Rear Left Right N/O/S Headlining Interior Mirror A2218101817

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C207 Air Module System Control Unit Module ECU A2079010300

Part no. A2079010300

Mercedes C207 Air Module System Control Unit Module ECU A2079010300

£80.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 W213 Crash Impact Pedestrian Protect Sensor Unit Front A2059058219

Part no. A2059058219

Mercedes W205 W213 Crash Impact Pedestrian Protect Sensor Unit Front A2059058219

£56.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Battery Cable Mercedes W205 Starter Alternator Wiring Harness A2055407521

Part no. rhd-A2055407521

Battery Cable Mercedes W205 Starter Alternator Wiring Harness A2055407521

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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SAM Module Mercedes W205 Trunk Rear SAM Control Module A2059007143

Part no. A2059007143

SAM Module Mercedes W205 Trunk Rear SAM Control Module A2059007143

£66.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Rear Axle Suspension Cable Wiring Harness Right O/S A2055404206

Part no. A2055404206

Mercedes W205 Rear Axle Suspension Cable Wiring Harness Right O/S A2055404206

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Wiring Mercedes W212 Front Left N/S Loom Cable Wire Harness A2125407105

Part no. rhd-A2125407105

Door Wiring Mercedes W212 Front Left N/S Loom Cable Wire Harness A2125407105

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129004307

Part no. A2129004307

Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129004307

£66.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700594

Part no. A2048700594-1

Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700594

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W906 310 CDI OM651.955 95HP Engine Unit ECU Kit A6519000700 Key Lock

Part no. A6519000700-3

Mercedes W906 310 CDI OM651.955 95HP Engine Unit ECU Kit A6519000700 Key Lock

£332.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 W245 Front Left N/S Door Wiring Loom Harness A2465403805

Part no. A2465403805

Mercedes W176 W245 Front Left N/S Door Wiring Loom Harness A2465403805

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W169 W245 Cable Loom Wiring Parking Sensors Rear A1695402733

Part no. A1695402733

Mercedes W169 W245 Cable Loom Wiring Parking Sensors Rear A1695402733

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz A-Class W169 CD Player Radio Stereo Head Unit A1698700289

Part no. A1698700289

Mercedes-Benz A-Class W169 CD Player Radio Stereo Head Unit A1698700289

£42.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes S212 Estate Fuse Box Rear SAM Module Relay Control Unit A2129004201

Part no. A2129004201

Mercedes S212 Estate Fuse Box Rear SAM Module Relay Control Unit A2129004201

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 W245 Front Right Door Wiring Loom Harness A2465403005

Part no. A2465403005

Mercedes W176 W245 Front Right Door Wiring Loom Harness A2465403005

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W203 CL203 W204 M272 Petrol Ignition Coil Cable Connector A0001502780

Part no. A0001502780

Mercedes W203 CL203 W204 M272 Petrol Ignition Coil Cable Connector A0001502780

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes ML W166 Front Door Module Right O/S Door Control Unit A2059006013

Part no. RHD-A1669005212

Mercedes ML W166 Front Door Module Right O/S Door Control Unit A2059006013

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Roof Antenna Mercedes S212 Estate Shark Trim Panel Tenorite Grey 755 A2128270028

Part no. A2128270028-TNG

Roof Antenna Mercedes S212 Estate Shark Trim Panel Tenorite Grey 755 A2128270028

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Module Mercedes R231 Front Door Right O/S Control Module A2319009106

Part no. A2319009106

Door Module Mercedes R231 Front Door Right O/S Control Module A2319009106

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 OM642.930 235HP Engine Module Unit ECU Automatic A6421504772

Part no. A6421504772

Mercedes W221 OM642.930 235HP Engine Module Unit ECU Automatic A6421504772

£142.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W166 ML63 M157.982 525HP Engine ECU Kit Ignition + Key A2789001400

Part no. A2789001400-1

Mercedes W166 ML63 M157.982 525HP Engine ECU Kit Ignition + Key A2789001400

£712.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Module Mercedes C205 Front Door Left N/S Control Module Unit A2229001414

Part no. A2229001414

Module Mercedes C205 Front Door Left N/S Control Module Unit A2229001414

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W177 Radio Stereo Nav Navigation Head Unit High Module A1679003709

Part no. A1679003709

Mercedes W177 Radio Stereo Nav Navigation Head Unit High Module A1679003709

£379.95

Free delivery - Fri, Dec 19

If paid before 14:00

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 Mercedes W220 Rear PDC Parking Sensor Wiring Loom A2205404208

Part no. A2205404208

Mercedes W220 Rear PDC Parking Sensor Wiring Loom A2205404208

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 W246 Power Relay Control Module 5 Pin 12V A0009828323

Part no. A0009828323

Mercedes W176 W246 Power Relay Control Module 5 Pin 12V A0009828323

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Earth Ground Cable Mercedes W447 Battery Wiring Loom Cabling A4475400188

Part no. A4475400188

Earth Ground Cable Mercedes W447 Battery Wiring Loom Cabling A4475400188

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703185

Part no. A2118703185

Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703185

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Ignition Coil Mercedes W202 W203 M111 Cable Connector A0001501780

Part no. A0001501780

Ignition Coil Mercedes W202 W203 M111 Cable Connector A0001501780

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Battery Cable Mercedes C238 C253 Starter Alternator Wiring Harness A2535401001

Part no. A2535401001

Battery Cable Mercedes C238 C253 Starter Alternator Wiring Harness A2535401001

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C216 Aerial Antenna Amplifier Booster Module Unit Control A2219050040

Part no. A2219050040

Mercedes C216 Aerial Antenna Amplifier Booster Module Unit Control A2219050040

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Alternator Generator Petrol Engine Valeo 150A 14V A0009062103

Part no. A0009062103

Mercedes W205 Alternator Generator Petrol Engine Valeo 150A 14V A0009062103

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985

Part no. A2118701985

Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675

Part no. A1698202675-2

Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675

£51.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Fem Module BMW 325i M Sport Fuse Box Control Module Unit 8781450

Part no. 8781450

Fem Module BMW 325i M Sport Fuse Box Control Module Unit 8781450

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 W207 Battery Cable Positive Wiring Harness Loom A2044402232

Part no. A2044402232

Mercedes W204 W207 Battery Cable Positive Wiring Harness Loom A2044402232

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 W205 Bluetooth Module Multimedia Control Unit ECU A2229005315

Part no. A2229005315-1

Mercedes W176 W205 Bluetooth Module Multimedia Control Unit ECU A2229005315

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702085

Part no. A2118702085

Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702085

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C207 Door Cable Wiring Harness Loom Front Left N/S A2075402313

Part no. rhd-A2075402313

Mercedes C207 Door Cable Wiring Harness Loom Front Left N/S A2075402313

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C118 W177 W247 Negative Battery Terminal Cable Lead A0009058112

Part no. A0009058112

Mercedes C118 W177 W247 Negative Battery Terminal Cable Lead A0009058112

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz A C W169 W204 Battery Relay Module Box A1695450046 A0035422619

Part no. A1695450046

Mercedes-Benz A C W169 W204 Battery Relay Module Box A1695450046 A0035422619

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W177 A180d 116hp 608.915 Engine ECU Kit A6089001500 Key BCM Dual Clutch

Part no. A6089001500-3

Mercedes W177 A180d 116hp 608.915 Engine ECU Kit A6089001500 Key BCM Dual Clutch

£218.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 W246 C117 Fuse Relay Box Unit A2469067100

Part no. A2469067100-2

Mercedes W176 W246 C117 Fuse Relay Box Unit A2469067100

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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PDC Module Mercedes W205 X253 Parking Sesnor Assist Control Module A0009004710

Part no. A0009004710

PDC Module Mercedes W205 X253 Parking Sesnor Assist Control Module A0009004710

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes CL C216 Keyless Go Entry Module Control Unit ECU A2219006803

Part no. A2219006803

Mercedes CL C216 Keyless Go Entry Module Control Unit ECU A2219006803

£142.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200786

Part no. A1718200786-1

Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200786

£113.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C118 W177 Head-Up Display Dashboard Dash Screen Monitor A1779009003

Part no. RHD-A1779009003

Mercedes C118 W177 Head-Up Display Dashboard Dash Screen Monitor A1779009003

£237.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Alternator Generator Mercedes W205 W213 Diesel Engine Valeo 200A A0009063903

Part no. A0009063903

Alternator Generator Mercedes W205 W213 Diesel Engine Valeo 200A A0009063903

£94.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Amplifier DAB Mercedes W176 W204 W212 Control Unit Module ECU A1669007616

Part no. A1669007616

Amplifier DAB Mercedes W176 W204 W212 Control Unit Module ECU A1669007616

£189.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C117 W176 A180 W246 M270 Engine Wiring Harness Cable Loom A2701501633

Part no. A2701501633

Mercedes C117 W176 A180 W246 M270 Engine Wiring Harness Cable Loom A2701501633

£108.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Mercedes R171 SLK200 M271.944 163HP Engine Control ECU Kit A2710106644 Key Lock

Part no. A2710106644-2

Mercedes R171 SLK200 M271.944 163HP Engine Control ECU Kit A2710106644 Key Lock

£189.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Mercedes W907 Fuse Box Relay Cover Lid Control Unit Bracket Trim A9076830400

Part no. A9076830400

Mercedes W907 Fuse Box Relay Cover Lid Control Unit Bracket Trim A9076830400

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W213 Control Unit Module Amplifier Premium Sound A2139002610

Part no. A2139002610-1

Mercedes W213 Control Unit Module Amplifier Premium Sound A2139002610

£189.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Module Mercedes C219 Rear Door Right O/S Control Module A2198200326

Part no. A2198200326

Door Module Mercedes C219 Rear Door Right O/S Control Module A2198200326

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Fuel Pump Control Mercedes C118 C167 W177 W247 Module ECU Receiver A0009008214

Part no. A0009015303

Fuel Pump Control Mercedes C118 C167 W177 W247 Module ECU Receiver A0009008214

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Sound Audio Amplifier Control Unit Module A2218207689

Part no. A2218207689

Mercedes W221 Sound Audio Amplifier Control Unit Module A2218207689

£332.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Cable Connector Mercedes W204 W210 W212 W639 Plug Wiring Loom Cap A2105450403

Part no. A2105450403

Cable Connector Mercedes W204 W210 W212 W639 Plug Wiring Loom Cap A2105450403

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Keyless Module Mercedes W176 W207 W212 ECU Door Lock Control Unit A2129008729

Part no. A2129008729

Keyless Module Mercedes W176 W207 W212 ECU Door Lock Control Unit A2129008729

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz A B W169 W245 Tow Protection Switch Button Control Unit Module

Part no. A1698702210

Mercedes-Benz A B W169 W245 Tow Protection Switch Button Control Unit Module

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Hybrid Fuse Control Unit Module Distribution Box A2055402750

Part no. A2055402750

Mercedes W205 Hybrid Fuse Control Unit Module Distribution Box A2055402750

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes R231 Air Module Control Unit ECU SRS Module A2319014702

Part no. A2319014702

Mercedes R231 Air Module Control Unit ECU SRS Module A2319014702

£237.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W211 Door Module Rear Right O/S Control Unit ECU A2118703285

Part no. A2118703285

Mercedes W211 Door Module Rear Right O/S Control Unit ECU A2118703285

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W166 W292 Sam Control Module Fuse Box Unit A1669001716

Part no. A1669001716-1

Mercedes W166 W292 Sam Control Module Fuse Box Unit A1669001716

£113.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Wiring Mercedes C205 Front Door Right O/S Harness Loom A2055409231

Part no. A2055409231

Door Wiring Mercedes C205 Front Door Right O/S Harness Loom A2055409231

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes Vito W447 Negative Battery Cable A4475400053

Part no. A4475400053

Mercedes Vito W447 Negative Battery Cable A4475400053

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Fuse Information Sheet Mercedes C219 S211 W11 Listing A2115450600

Part no. A2115450600

Fuse Information Sheet Mercedes C219 S211 W11 Listing A2115450600

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W213 Keyless Go Entry Central Lock Control Module Unit ECU A2229004718

Part no. A2229004718

Mercedes W213 Keyless Go Entry Central Lock Control Module Unit ECU A2229004718

£32.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 C200d 626.951 136HP Engine Unit ECU Kit A6269000000 Key Automatic

Part no. A6269010000-1

Mercedes W205 C200d 626.951 136HP Engine Unit ECU Kit A6269000000 Key Automatic

£474.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210

Part no. A2218200210

Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C216 W221 Battery Cable Negative Backup Wire A2215400231

Part no. A2215400231

Mercedes C216 W221 Battery Cable Negative Backup Wire A2215400231

£32.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W212 Centre Console Media Interface Cable Wiring Plug A2318270026

Part no. A2318270026-1

Mercedes W212 Centre Console Media Interface Cable Wiring Plug A2318270026

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes ML W164 Trunk Tailgate Foam Control Unit Module Bracket A1645453047

Part no. A1645453047

Mercedes ML W164 Trunk Tailgate Foam Control Unit Module Bracket A1645453047

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W212 Door Control Module Unit ECU Rear Right O/S A2128208826

Part no. A2128208826

Mercedes W212 Door Control Module Unit ECU Rear Right O/S A2128208826

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz A B W169 W245 Bracket Starter Alternator Control Unit A1695457740

Part no. A1695457740

Mercedes-Benz A B W169 W245 Bracket Starter Alternator Control Unit A1695457740

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C205 Front Door Wiring Harness Cable Left Right N/O/S A2054405433

Part no. RHD-A2054405433

Mercedes C205 Front Door Wiring Harness Cable Left Right N/O/S A2054405433

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes ML W164 280CDI 4Matic OM642.940 190HP Engine ECU A6421506300 Automatic

Part no. A6421506300

Mercedes ML W164 280CDI 4Matic OM642.940 190HP Engine ECU A6421506300 Automatic

£199.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes Vito W639 651.940 116 CDI 163HP Engine ECU Kit A6511501879 Lock + Key

Part no. A6511501879-8

Mercedes Vito W639 651.940 116 CDI 163HP Engine ECU Kit A6511501879 Lock + Key

£332.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215405950

Part no. A2215405950

Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215405950

£42.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C140 Fuse Box Relay Box Control Module Unit A1405400750

Part no. RHD-A1405400750

Mercedes C140 Fuse Box Relay Box Control Module Unit A1405400750

£56.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes A B Class W169 W245 Aerial Antenna Amplifier Right O/S A1698200089

Part no. A1698200089

Mercedes A B Class W169 W245 Aerial Antenna Amplifier Right O/S A1698200089

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Fuse Box  Mercedes W177 Relay Fuse Box COntrol Module Unit  A1779061102

Part no. A1779061102

Fuse Box Mercedes W177 Relay Fuse Box COntrol Module Unit A1779061102

£56.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Wiring Mercedes C205 Front Door Right Left N/o/S Lock Harness A2055400708

Part no. rhd-A2055400708

Door Wiring Mercedes C205 Front Door Right Left N/o/S Lock Harness A2055400708

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Fuse Box Mercedes Sprinter W907 Prefuse Box Module Relay Holder A9075409482

Part no. A9075409482

Fuse Box Mercedes Sprinter W907 Prefuse Box Module Relay Holder A9075409482

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W169 W204 W212 Front Parking  Sensor PDC Sensor Tenorite Grey 755

Part no. A2125420018-TNG2

Mercedes W169 W204 W212 Front Parking Sensor PDC Sensor Tenorite Grey 755

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W212 Cable Wiring Power Steering Rack Loom Harness A2125405433

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Mercedes W212 Cable Wiring Power Steering Rack Loom Harness A2125405433

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Mercedes CLS W219 Door Module Rear Left N/S Control Unit A2198203526

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Mercedes CLS W219 Door Module Rear Left N/S Control Unit A2198203526

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Mercedes W207 Telematic Communication Control Unit Module A1669005517

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Mercedes W207 Telematic Communication Control Unit Module A1669005517

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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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