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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Battery Sensor Mercedes W204 W212 Negative Minus Terminal Lead Cable A2045420918

Part no. rhd-A2045420918

Battery Sensor Mercedes W204 W212 Negative Minus Terminal Lead Cable A2045420918

£28.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 Pressure Crash Impact Sensor Control Module A1769052400

Part no. A1769052400-1

Mercedes W176 Pressure Crash Impact Sensor Control Module A1769052400

£47.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W169 W245 Door Control Module Front Left N/S A1699000500

Part no. A1699000500

Mercedes W169 W245 Door Control Module Front Left N/S A1699000500

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 ECU Control Unit Sensor Module Airbag A2048706826

Part no. A2048706826

Mercedes W204 ECU Control Unit Sensor Module Airbag A2048706826

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Yaw Sensor Mercedes ML W164 W221 W251 ESP Rotation Rate Unit Module A0045423918

Part no. A0045423918

Yaw Sensor Mercedes ML W164 W221 W251 ESP Rotation Rate Unit Module A0045423918

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698705894

Part no. A1698705894

Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698705894

£62.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Parking Module Mercedes W204 S204 PDC Distance Control Unit Sensor A2049009004

Part no. A2049009004

Parking Module Mercedes W204 S204 PDC Distance Control Unit Sensor A2049009004

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver 761

Part no. A1695420018-PLS

Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver 761

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Control Unit Mercedes W176 W246 Body Control Module BCM ECU A2469009112

Part no. A2469009112

Control Unit Mercedes W176 W246 Body Control Module BCM ECU A2469009112

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2045403750

Part no. A2045403750

SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2045403750

£75.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072

Part no. A1645403072

Mercedes ML W164 Rear Fuse Relay Box Module SRB A1645403072

£32.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W906 313 CDI 651.955 129HP Diesel Engine ECU Key Lock Kit A6519000601

Part no. A6519000601-1

Mercedes W906 313 CDI 651.955 129HP Diesel Engine ECU Key Lock Kit A6519000601

£237.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819

Part no. A0025428819

Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz A B Class W176 W246 Front Left N/S Door Control Unit Module ECU

Part no. A1669000318

Mercedes-Benz A B Class W176 W246 Front Left N/S Door Control Unit Module ECU

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 Rain Light Solar Condensation Sensor Control Unit A2049014503

Part no. A2049014503

Mercedes W212 Rain Light Solar Condensation Sensor Control Unit A2049014503

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W177 W247 Battery Clamp Fuse Protection Switch N000000008776

Part no. N000000008776

Mercedes W177 W247 Battery Clamp Fuse Protection Switch N000000008776

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes ML W164 Door Module Front Right O/S Control Unit Module A1648209485

Part no. A1648209485

Mercedes ML W164 Door Module Front Right O/S Control Unit Module A1648209485

£32.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes A B C Class W169 W203 W245 Outside Air Temperature Sensor A0005428418

Part no. A0005428418

Mercedes A B C Class W169 W203 W245 Outside Air Temperature Sensor A0005428418

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Automatic Gearbox Transmission Module Unit ECU A0005455916

Part no. A0005455916

Mercedes W204 Automatic Gearbox Transmission Module Unit ECU A0005455916

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes ML W164 Aerial Antenna Amplifier Module Unit A1648701589

Part no. A1648701589

Mercedes ML W164 Aerial Antenna Amplifier Module Unit A1648701589

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz W204 Parking Sensor Wiring Cable Harness Rear PDC A2045400708

Part no. A2045400708

Mercedes-Benz W204 Parking Sensor Wiring Cable Harness Rear PDC A2045400708

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes CLA C117 W176 W205 Aerial Antenna Amplifier Unit A2229055804

Part no. A2229055804

Mercedes CLA C117 W176 W205 Aerial Antenna Amplifier Unit A2229055804

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes CLA C117 W176 Aerial Booster Antenna Amplifier A2469054201

Part no. A2469054201

Mercedes CLA C117 W176 Aerial Booster Antenna Amplifier A2469054201

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Module Mercedes C205 Transmission Drivetrain Control Module Unit A2059007705

Part no. A2059007705

Module Mercedes C205 Transmission Drivetrain Control Module Unit A2059007705

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Airbag Module Mercedes V177 W177 C118 Air Bag SRS Control Unit ECU A1779000304

Part no. A1779000304

Airbag Module Mercedes V177 W177 C118 Air Bag SRS Control Unit ECU A1779000304

£28.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes Vito W639 Door Handle Bowden Cable Catch Rear Wire A6397601804

Part no. A6397601804

Mercedes Vito W639 Door Handle Bowden Cable Catch Rear Wire A6397601804

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Antenna Amplifier Mercedes W176 Aerial Module Unit Rear A1668200689

Part no. A1668200689

Antenna Amplifier Mercedes W176 Aerial Module Unit Rear A1668200689

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105

Part no. A2129018508

Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Telematics Module Mercedes W176 W207 W205 Bluetooth Control Unit A2139003617

Part no. A2139003617

Telematics Module Mercedes W176 W207 W205 Bluetooth Control Unit A2139003617

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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PDC Display Mercedes W169 W211 Parking Distance Sensor Control Unit A1715420123

Part no. A1715420123

PDC Display Mercedes W169 W211 Parking Distance Sensor Control Unit A1715420123

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W213 W907 Transmission Gearbox Control Unit Module ECU A2139001722

Part no. A2139001722

Mercedes W213 W907 Transmission Gearbox Control Unit Module ECU A2139001722

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz CLC-Class CL203 Antenna Amplifier Rear Right O/S A2038270642

Part no. A2038270642

Mercedes-Benz CLC-Class CL203 Antenna Amplifier Rear Right O/S A2038270642

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W205 Interior Trunk Fuse Box Automotive Pink Relay A0009821923 Red

Part no. A0009821923

Mercedes W205 Interior Trunk Fuse Box Automotive Pink Relay A0009821923 Red

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Fuse Box Mercedes C204 W204 Front Relay Control Unit Module SAM A2129003414

Part no. A2129003414

Fuse Box Mercedes C204 W204 Front Relay Control Unit Module SAM A2129003414

£113.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W205 Display Screen Multimedia Navigation Sat Head Unit A2059000441

Part no. A2059000441

Mercedes W205 Display Screen Multimedia Navigation Sat Head Unit A2059000441

£113.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W163 W168 W203 W211 Relay 4-Pin Black Hella A0025421119

Part no. A0025421119

Mercedes W163 W168 W203 W211 Relay 4-Pin Black Hella A0025421119

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes Sprinter B907 Ignition Control Module Keyless A9079001705

Part no. A9079001705

Mercedes Sprinter B907 Ignition Control Module Keyless A9079001705

£104.95

Free delivery - Wed, Jan 14

If paid before 14:00

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Mercedes ML W164 W251 Rear SAM Module Control Unit ECU A1649005101

Part no. A1649005101

Mercedes ML W164 W251 Rear SAM Module Control Unit ECU A1649005101

£474.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W169 W245 W906 Fuse Holder Electrical Fuse Box Bracket A0025450901

Part no. A0025450901

Mercedes W169 W245 W906 Fuse Holder Electrical Fuse Box Bracket A0025450901

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Grey A0009822923

Part no. A0009822923

Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Grey A0009822923

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic

Part no. A6519007500-1

Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU A6519007500 Automatic

£37.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W156 W176 Battery Cable  Negative Lead Terminal Harness A2469052403

Part no. A2469052403

Mercedes W156 W176 Battery Cable Negative Lead Terminal Harness A2469052403

£28.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz A-Class W169 Airbag System Control Unit Module ECU A1698202185

Part no. A1698202185

Mercedes-Benz A-Class W169 Airbag System Control Unit Module ECU A1698202185

£28.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Rear Module Mercedes C205 W205 Fuel Pump Control Unit A0009006612

Part no. A0009006612

Rear Module Mercedes C205 W205 Fuel Pump Control Unit A0009006612

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes ML W164 Parking Module PDC Distance Control Unit Sensor A1645453716

Part no. A1645453716

Mercedes ML W164 Parking Module PDC Distance Control Unit Sensor A1645453716

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005605

Part no. A1669005605

Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005605

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Module Mercedes W205 Relay Body Control Module Unit SAM BCM A2059006822

Part no. A2059006822

Module Mercedes W205 Relay Body Control Module Unit SAM BCM A2059006822

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Prefuse Box Mercedes W176 OM607 Fuse Relay Control Unit A2465401850

Part no. A2465401850

Prefuse Box Mercedes W176 OM607 Fuse Relay Control Unit A2465401850

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes C118 W177 W247 Battery Box Tray Trim Housing Cover A2475411000

Part no. A2475411000

Mercedes C118 W177 W247 Battery Box Tray Trim Housing Cover A2475411000

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Alternator Generator Mercedes W204 W207 Diesel Engine Valeo 150A A0141541102

Part no. A0141541102

Alternator Generator Mercedes W204 W207 Diesel Engine Valeo 150A A0141541102

£75.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Door Module Mercedes Vito W639 Front Right O/S Control Unit ECU A6399003000

Part no. A6399003000

Door Module Mercedes Vito W639 Front Right O/S Control Unit ECU A6399003000

£47.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W221 Air Condition Climate Control Module Unit A2218704192

Part no. A2218704192

Mercedes W221 Air Condition Climate Control Module Unit A2218704192

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W245 ECU Control Unit Sensor Air Module A1698201585

Part no. A1698201585

Mercedes W245 ECU Control Unit Sensor Air Module A1698201585

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526

Part no. A2048704526

Door Module Mercedes W204 Rear Left N/S Control Unit Module A2048704526

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Parking Module Mercedes W207 W212 PDC Distance Control Unit ECU A0009008004

Part no. A0009008004

Parking Module Mercedes W207 W212 PDC Distance Control Unit ECU A0009008004

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Fuse Cover Mercedes Sprinter W906 Box Trim Panel Lid Grey A6395450003

Part no. A9065450003

Fuse Cover Mercedes Sprinter W906 Box Trim Panel Lid Grey A6395450003

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Door Module Mercedes W204 W212 Front Right O/S Control Unit A2129009328

Part no. A2129009328

Door Module Mercedes W204 W212 Front Right O/S Control Unit A2129009328

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046801231

Part no. A2046801231

Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2046801231

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697

Part no. A2048204697-1

Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697

£161.95

Free delivery - Wed, Jan 14

If paid before 14:00

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Mercedes-Benz C E Class W203 W211 Alarm Anti Theft System Control Module Unit

Part no. A2118209126

Mercedes-Benz C E Class W203 W211 Alarm Anti Theft System Control Module Unit

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 Negative Cable Battery Terminal Wiring A0009052902

Part no. rhd-A0009052902

Mercedes W212 Negative Cable Battery Terminal Wiring A0009052902

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Door Module Mercedes W204 W212 Front Left N/S Control Unit Module A2128203485

Part no. A2128203485

Door Module Mercedes W204 W212 Front Left N/S Control Unit Module A2128203485

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 W212 Dashboard Light Sun Solar Sensor Unit A2049057501

Part no. A2049057501

Mercedes W204 W212 Dashboard Light Sun Solar Sensor Unit A2049057501

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Receptacle Housing Mercedes W164 W203 W639 Dashboard Wiring Harness A0025467940

Part no. A0025467940

Receptacle Housing Mercedes W164 W203 W639 Dashboard Wiring Harness A0025467940

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes ML W164 Door Module Front Left N/S Control Unit Module A1648209385

Part no. A1648209385

Mercedes ML W164 Door Module Front Left N/S Control Unit Module A1648209385

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz A B Class W169 W245 CD Player Radio Audio Head Unit A1698206189

Part no. A1698206189

Mercedes-Benz A B Class W169 W245 CD Player Radio Audio Head Unit A1698206189

£37.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 W204 W212 Telematics Communication Control Unit Module A2429007001

Part no. A2429007001

Mercedes W176 W204 W212 Telematics Communication Control Unit Module A2429007001

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Tailgate Module Mercedes W204 W212 Boot Lid Locking ECU Control Unit A2128203542

Part no. A2128203542

Tailgate Module Mercedes W204 W212 Boot Lid Locking ECU Control Unit A2128203542

£47.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz S W221 Comand 6-Changer CD Radio Head Unit DVD Navi A2219004704

Part no. A2219004704

Mercedes-Benz S W221 Comand 6-Changer CD Radio Head Unit DVD Navi A2219004704

£712.95

Free delivery - Wed, Jan 14

If paid before 14:00

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Mercedes W177 Dash Monitor Display Speedo Meter SAT NAV Screen A2479007004

Part no. rhd-A2479007004

Mercedes W177 Dash Monitor Display Speedo Meter SAT NAV Screen A2479007004

£132.95

Free delivery - Tue, Jan 13

If paid before 14:00

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ESP Sensor Mercedes W164 W221 Yaw Rotation Rate Sensor A0055422018

Part no. A0055422018

ESP Sensor Mercedes W164 W221 Yaw Rotation Rate Sensor A0055422018

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes CLC CLK Class CL203 W203 C209 Crash Sensor A0018209126

Part no. A0018209126

Mercedes CLC CLK Class CL203 W203 C209 Crash Sensor A0018209126

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Dashboard Cover Speedo Speedometer Trim Panel Black A2046890939

Part no. rhd-A2046890939

Mercedes W204 Dashboard Cover Speedo Speedometer Trim Panel Black A2046890939

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W167 W256 USB Charger Connecting Unit A1678201302

Part no. A1678201302

Mercedes W167 W256 USB Charger Connecting Unit A1678201302

£47.95

Free delivery - Tue, Jan 13

If paid before 14:00

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PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009006713

Part no. A0009006713

PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009006713

£37.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz W176 W205 W207 W213 Bluetooth Control Unit Module ECU A2139002210

Part no. A2139002210

Mercedes-Benz W176 W205 W207 W213 Bluetooth Control Unit Module ECU A2139002210

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Fuse Holder Mercedes W169 W245 W906 Electrical Fuse Box Bracket A0025450801

Part no. A0025450801

Fuse Holder Mercedes W169 W245 W906 Electrical Fuse Box Bracket A0025450801

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740

Part no. A2075400740

Fuse Box Mercedes W204 Battery Terminal Control Unit Module A2075400740

£28.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W639 Battery Starter Alternator Wiring Harness Cable A6394403150

Part no. rhd-A6394403150

Mercedes W639 Battery Starter Alternator Wiring Harness Cable A6394403150

£23.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129009505

Part no. A2129009505

Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129009505

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes Sprinter W906 Tool Case Cover Floor Trim Grey A9066840137

Part no. rhd-A9066840137

Mercedes Sprinter W906 Tool Case Cover Floor Trim Grey A9066840137

£28.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes Vito W639 Cover Fuse Box Case Trim Panel Lid A6395400182

Part no. A6395400182

Mercedes Vito W639 Cover Fuse Box Case Trim Panel Lid A6395400182

£37.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Valve Block Mercedes W251 W906 Air Suspension Control Unit Module A2513200158

Part no. A2513200158-1

Valve Block Mercedes W251 W906 Air Suspension Control Unit Module A2513200158

£28.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Steering Wheel Angle Mercedes C216 W221 Sensor Control Unit Module A2219004003

Part no. A2219004003

Steering Wheel Angle Mercedes C216 W221 Sensor Control Unit Module A2219004003

£94.95

Free delivery - Wed, Jan 14

If paid before 14:00

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Mercedes-Benz A B Class W176 W246 Front Right Door O/S Control Unit Module ECU

Part no. A1669000618

Mercedes-Benz A B Class W176 W246 Front Right Door O/S Control Unit Module ECU

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W169 W245 W204 W212 Relay 4-Pin Black Hella A0025427219

Part no. A0025427219

Mercedes W169 W245 W204 W212 Relay 4-Pin Black Hella A0025427219

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 W204 C207 W212 C218 W246 Relay 4-Pin Black Hella 12V A0025428319

Part no. A0025428319

Mercedes W176 W204 C207 W212 C218 W246 Relay 4-Pin Black Hella 12V A0025428319

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Negative Cable Battery Terminal Wiring A2045421518

Part no. rhd-A2045421518

Mercedes W204 Negative Cable Battery Terminal Wiring A2045421518

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Bowden Cable Mercedes W906 Rear Sliding Door Opener Cable Wire A9067600404

Part no. A9067600404

Bowden Cable Mercedes W906 Rear Sliding Door Opener Cable Wire A9067600404

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W176 W205 W213 W242 W447 W907 Relay 4-Pin Black Tyco Unit A0035420819

Part no. A0035420819

Mercedes W176 W205 W213 W242 W447 W907 Relay 4-Pin Black Tyco Unit A0035420819

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W203 ECU Control Unit Crash Impact Sensor Module Airbag A2038700026

Part no. A2038700026

Mercedes W203 ECU Control Unit Crash Impact Sensor Module Airbag A2038700026

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6511501879 Key Lock

Part no. A6511501879-1

Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6511501879 Key Lock

£313.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Energy Distributor Mercedes W205 W212 W213 W906 Control Unit Module A0009821212

Part no. A0009821212

Energy Distributor Mercedes W205 W212 W213 W906 Control Unit Module A0009821212

£18.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W169 W204 W211 C219 Replacement Fuse Kit Set N000000004325

Part no. N000000004325

Mercedes W169 W204 W211 C219 Replacement Fuse Kit Set N000000004325

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W205 W213 C238 C253 Relay Fuse Box Top Cover Lid Cap A2055400182

Part no. A2055400182

Mercedes W205 W213 C238 C253 Relay Fuse Box Top Cover Lid Cap A2055400182

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432

Part no. A2095452432

Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Navigation Radio CD Player Head Unit A2049007202

Part no. A2049007202

Mercedes W204 Navigation Radio CD Player Head Unit A2049007202

£47.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes-Benz A B Class W169 W245 Door Control Unit Right O/S Front A1698207026

Part no. A1698207026

Mercedes-Benz A B Class W169 W245 Door Control Unit Right O/S Front A1698207026

£13.95

Free delivery - Tue, Jan 13

If paid before 14:00

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Mercedes W204 Parking Sensor PDC Distance Front Tenorite Grey - 755 A2125420018

Part no. A2125420018-TNG

Mercedes W204 Parking Sensor PDC Distance Front Tenorite Grey - 755 A2125420018

£13.95

Free delivery - Tue, Jan 13

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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