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 W906 310 CDI OM651.955 95HP Diesel Engine ECU Kit A6519003203 Key Lock

Part no. A6519003203-5

Mercedes W906 310 CDI OM651.955 95HP Diesel Engine ECU Kit A6519003203 Key Lock

£332.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W168 W203 W211 Relay 6-Pin Black Tyco A0025421219

Part no. A0025421219

Mercedes W168 W203 W211 Relay 6-Pin Black Tyco A0025421219

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz C E W204 W207 W212 Heater Matrix Electrical Wiring Cable Harness

Part no. rhd-A2128202913

Mercedes-Benz C E W204 W207 W212 Heater Matrix Electrical Wiring Cable Harness

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W176 Air Module Belt Locking System Control Unit Module ECU

Part no. A1179001802

Mercedes W176 Air Module Belt Locking System Control Unit Module ECU

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401305

Part no. A9075402087

Mercedes W907 Starter Wiring Battery Alternator Cable Harness Loom A9075401305

£51.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 Antenna Aerial Amplifier Module Receiver AMP Unit A2059051106

Part no. A2059051106

Mercedes W205 Antenna Aerial Amplifier Module Receiver AMP Unit A2059051106

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Keyless Go Module Mercedes C118 W177 W247 ECU Entry Control Unit A1679006912

Part no. A1679006912

Keyless Go Module Mercedes C118 W177 W247 ECU Entry Control Unit A1679006912

£37.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes R172 Amplifier Audio Unit Mount Support Bracket Holder A1725451000

Part no. A1725451000

Mercedes R172 Amplifier Audio Unit Mount Support Bracket Holder A1725451000

£37.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 C220d 651.921 170HP BlueTEC Engine ECU Kit A6519000603 Key SAM

Part no. A6519004500-1

Mercedes W205 C220d 651.921 170HP BlueTEC Engine ECU Kit A6519000603 Key SAM

£322.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W166 Junction Fuse Box Cover Housing Positive Terminal A1665450403

Part no. A1665450403

Mercedes W166 Junction Fuse Box Cover Housing Positive Terminal A1665450403

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W221 E350 CDI BE OM642 265HP Engine Control ECU A6421508900 Automatic

Part no. A6421508900-11

Mercedes W221 E350 CDI BE OM642 265HP Engine Control ECU A6421508900 Automatic

£189.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes C118 Door Harness Rear Left N/S Door Wiring Loom A1185402504

Part no. A1185402504

Mercedes C118 Door Harness Rear Left N/S Door Wiring Loom A1185402504

£32.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Alternator Cable Mercedes W176 W246 OM651 Battery Prefuse Box A2465400308

Part no. A2465400308

Alternator Cable Mercedes W176 W246 OM651 Battery Prefuse Box A2465400308

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W207 Convertible Anti Theft Roof ITS TPS Sensor Module Unit A2078202810

Part no. A2078202810

Mercedes W207 Convertible Anti Theft Roof ITS TPS Sensor Module Unit A2078202810

£37.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W176 Keyless Control Module Unit ECU A2129001929

Part no. A2129001929

Mercedes W176 Keyless Control Module Unit ECU A2129001929

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes S350 W221 Seat Control Module Front Left N/S A2218707393

Part no. A2218707393

Mercedes S350 W221 Seat Control Module Front Left N/S A2218707393

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W164 ECU Control Unit Bracket Holder A1645451840

Part no. A1645451840

Mercedes W164 ECU Control Unit Bracket Holder A1645451840

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes SLK R171 Battery Cable Starter Alternator Wiring Harness A1715400330

Part no. rhd-A1715400330

Mercedes SLK R171 Battery Cable Starter Alternator Wiring Harness A1715400330

£28.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes X470 Front Door Harness Cable Wiring Right O/S Driver's Side 241245XF0B

Part no. RHD-A4705403401

Mercedes X470 Front Door Harness Cable Wiring Right O/S Driver's Side 241245XF0B

£70.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W176 W246 Negative Earth Cable Battery Terminal Wiring A2465400335

Part no. A2465400335

Mercedes W176 W246 Negative Earth Cable Battery Terminal Wiring A2465400335

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes SLK R171 Battery Cable Starter Alternator Wiring Harness A1715402534

Part no. rhd-A1715402534

Mercedes SLK R171 Battery Cable Starter Alternator Wiring Harness A1715402534

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Brake Harness Mercedes W205 Rear Left Brake Pad Wear Wire Wiring A2055404106

Part no. A2055404106

Brake Harness Mercedes W205 Rear Left Brake Pad Wear Wire Wiring A2055404106

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Air Module Mercedes W639 W906 ECU Control Unit Crash Impact A0009004802

Part no. A0009004802

Air Module Mercedes W639 W906 ECU Control Unit Crash Impact A0009004802

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W212 C218 Roof Antenna Shark Kosmos Black Metallic - 191 A2128270228

Part no. A2128270228-KB

Mercedes W212 C218 Roof Antenna Shark Kosmos Black Metallic - 191 A2128270228

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes R171 Head Unit Radio Player Sat Nav Comand DVD APS A1718203389

Part no. A1718203389-1

Mercedes R171 Head Unit Radio Player Sat Nav Comand DVD APS A1718203389

£237.95

Free delivery - Mon, Dec 01

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 - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz A B W169 W245 Door Control Module Right Rear O/S A1698208626

Part no. A1698208626

Mercedes-Benz A B W169 W245 Door Control Module Right Rear O/S A1698208626

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Keyless Go Module Mercedes W164 ECU Door Lock Control Unit A1648206185

Part no. A1648206185

Keyless Go Module Mercedes W164 ECU Door Lock Control Unit A1648206185

£47.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 C207 Rain Sensor Light Control Unit Front Windscreen A2078203426

Part no. A2078203426

Mercedes W204 C207 Rain Sensor Light Control Unit Front Windscreen A2078203426

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz E-Class W207 Cabrio A207 Centre Console Divider Wiring Harness

Part no. A2074407613

Mercedes-Benz E-Class W207 Cabrio A207 Centre Console Divider Wiring Harness

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes C118 W167 W177 W247 Ignition Control Module Unit ECU A1679001520

Part no. A1679001520

Mercedes C118 W167 W177 W247 Ignition Control Module Unit ECU A1679001520

£113.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Module Fuel Pump Mercedes W205 C253 Control Module Unit A0009002414

Part no. A0009002414

Module Fuel Pump Mercedes W205 C253 Control Module Unit A0009002414

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W470 X250D OM699.303 190HP Engine Module ECU Kit 237105JK8B Automatic

Part no. 237105JK8B-1

Mercedes W470 X250D OM699.303 190HP Engine Module ECU Kit 237105JK8B Automatic

£161.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Starter Motor Mercedes W176 W246 C117 Diesel Engine Denso A6459060800

Part no. A6459060800

Starter Motor Mercedes W176 W246 C117 Diesel Engine Denso A6459060800

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Door Module Mercedes W212 E-Class Rear Right O/S Control Unit A2129004206

Part no. A2129004206

Door Module Mercedes W212 E-Class Rear Right O/S Control Unit A2129004206

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 Rear Fuse Box Relay SAM Control Unit Module A2045458201

Part no. A2045458201-1

Mercedes W204 Rear Fuse Box Relay SAM Control Unit Module A2045458201

£142.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 C253 Licence Information Software Disc A2058270701

Part no. A2058270701

Mercedes W205 C253 Licence Information Software Disc A2058270701

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W177 Radio Stereo Sat Nav Navigation CD Head Unit A1779001218

Part no. A1779001218

Mercedes W177 Radio Stereo Sat Nav Navigation CD Head Unit A1779001218

£427.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Door Module Mercedes W169 W245 Front Right O/S Control Unit A1698203085

Part no. rhd-A1698203085

Door Module Mercedes W169 W245 Front Right O/S Control Unit A1698203085

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Wiring Cable Cover Mercedes W204 W212 W906 OM651 Engine Duct Bracket A6511590246

Part no. A6511590246

Wiring Cable Cover Mercedes W204 W212 W906 OM651 Engine Duct Bracket A6511590246

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W203 CD Media Player Radio Audio 20 Phone Head Unit A2038705089

Part no. A2038705089-1

Mercedes W203 CD Media Player Radio Audio 20 Phone Head Unit A2038705089

£47.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 C220 CDI 651.911 136HP Engine Unit ECU Kit A6519007500 Key Lock

Part no. A6519007500-19

Mercedes W204 C220 CDI 651.911 136HP Engine Unit ECU Kit A6519007500 Key Lock

£170.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz A B Class W176 W246 Rear Fuel Pump Control Unit Bracket Holder

Part no. A2465453740

Mercedes-Benz A B Class W176 W246 Rear Fuel Pump Control Unit Bracket Holder

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Battery Wiring Mercedes X253 Diesel OM651 Alternator Harness Cable A2055406921

Part no. A2055406921

Battery Wiring Mercedes X253 Diesel OM651 Alternator Harness Cable A2055406921

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes X253 Door Module Rear Right Control Unit A2229002014

Part no. A2229002014

Mercedes X253 Door Module Rear Right Control Unit A2229002014

£28.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W213 Front Door Module Right O/S Control Unit A2139005613

Part no. A2139005613

Mercedes W213 Front Door Module Right O/S Control Unit A2139005613

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Fuse Box Mercedes W906 Front Relay Control Unit Electric Module A9065450401

Part no. A9065450401

Fuse Box Mercedes W906 Front Relay Control Unit Electric Module A9065450401

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 Cable Harness Rear Door Panel Card Wiring Loom A2045402610

Part no. A2045402610

Mercedes W204 Cable Harness Rear Door Panel Card Wiring Loom A2045402610

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129060505

Part no. A2129060505

Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129060505

£32.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes S211 W211 Rear Door Control Unit Right O/S A2118201626

Part no. A2118201626

Mercedes S211 W211 Rear Door Control Unit Right O/S A2118201626

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes SL R231 Aerial Antenna Amplifier Module Unit A2319059700

Part no. A2319059700

Mercedes SL R231 Aerial Antenna Amplifier Module Unit A2319059700

£13.95

Free delivery - Mon, Dec 01

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 - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz E W207 Cabrio A207 AdBlue Additive Fuel Tank Wiring Adapter Cable

Part no. A2074405433

Mercedes-Benz E W207 Cabrio A207 AdBlue Additive Fuel Tank Wiring Adapter Cable

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Telematic Control Module Mercedes W447 W907 W910 Telematics Unit A2479002513

Part no. A2479002513

Telematic Control Module Mercedes W447 W907 W910 Telematics Unit A2479002513

£94.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes C219 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2195404605

Part no. A2195404605

Mercedes C219 Rear Bumper PDC Wiring Parking Sensor Loom Harness A2195404605

£28.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mount Support Mercedes W176 Battery Bracket Holder A2466200514

Part no. A2466200514

Mount Support Mercedes W176 Battery Bracket Holder A2466200514

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Camera Module Mercedes W213 S213 Parking Rear View Control Unit A2139000414

Part no. A2139000414

Camera Module Mercedes W213 S213 Parking Rear View Control Unit A2139000414

£85.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W169 W245 Fuel Pump Cable Harness Bracket Mount Trim A1694710141

Part no. A1694710141

Mercedes W169 W245 Fuel Pump Cable Harness Bracket Mount Trim A1694710141

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes Sprinter W907 W910 Air Module Sensor Unit ECU A9079000304

Part no. A9079000304

Mercedes Sprinter W907 W910 Air Module Sensor Unit ECU A9079000304

£23.95

Free delivery - Mon, Dec 01

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 - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526

Part no. A1698208526

Mercedes-Benz A B Class W169 W245 Door Control Module Left Rear N/S A1698208526

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes CL S C215 W220 Parking Sensor Distance Control Module A0335453332

Part no. A0335453332

Mercedes CL S C215 W220 Parking Sensor Distance Control Module A0335453332

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz C W204 Digital Audio DAB Receiver Control Unit Module A2048705490

Part no. A2048705490

Mercedes-Benz C W204 Digital Audio DAB Receiver Control Unit Module A2048705490

£32.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Door Module Mercedes W212 Rear Left N/S Control Unit A2129004106

Part no. A2129004106

Door Module Mercedes W212 Rear Left N/S Control Unit A2129004106

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W176 180 CDI 607.951 109HP ECU Kit A6079002300 Key Lock Automatic

Part no. A6079002300-5

Mercedes W176 180 CDI 607.951 109HP ECU Kit A6079002300 Key Lock Automatic

£237.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes C118 W177 W247 DC/DC Converter Cable Wiring Harness M260 A1775404442

Part no. A1775404442

Mercedes C118 W177 W247 DC/DC Converter Cable Wiring Harness M260 A1775404442

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes ML W166 Fuse Box Front Relay Control Unit Module A1665402450

Part no. A1665402450-1

Mercedes ML W166 Fuse Box Front Relay Control Unit Module A1665402450

£47.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 X253 Distronic Radar Sensor Cruise Control Unit Module A0009005109

Part no. A0009005109

Mercedes W205 X253 Distronic Radar Sensor Cruise Control Unit Module A0009005109

£170.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W213 Bluetooth Module Multimedia Control Unit ECU A2138203202

Part no. A2138203202

Mercedes W213 Bluetooth Module Multimedia Control Unit ECU A2138203202

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz Vito W639 Loudspeaker Cable Wiring Loom Harness A6394404906

Part no. A6394404906

Mercedes-Benz Vito W639 Loudspeaker Cable Wiring Loom Harness A6394404906

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes R231 Front Door Lock Wiring Harness Cable Right O/S A2315400508

Part no. RHD-A2315400508

Mercedes R231 Front Door Lock Wiring Harness Cable Right O/S A2315400508

£28.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Electric Wire Mercedes SLK R172 M271 Alternator Prefuse Box Wiring A1725400433

Part no. A1725400433

Electric Wire Mercedes SLK R172 M271 Alternator Prefuse Box Wiring A1725400433

£28.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307

Part no. A1775404307

Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307

£94.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Door Module Mercedes W205 X253 Rear Left N/S Control Unit A1698209126

Part no. A2229001814

Door Module Mercedes W205 X253 Rear Left N/S Control Unit A1698209126

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W221 Door Control Module Unit ECU Rear Left N/S A0038206926

Part no. A0038206926

Mercedes W221 Door Control Module Unit ECU Rear Left N/S A0038206926

£42.95

Free delivery - Mon, Dec 01

If paid before 14:00

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PDC Sensor Mercedes X156 Rear Parking Distance Mountain Grey Metallic - 787

Part no. A0009059300-MG

PDC Sensor Mercedes X156 Rear Parking Distance Mountain Grey Metallic - 787

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes Citan W415 Renault Kangoo Front Door Wiring Loom Left N/S 8200809160

Part no. A4155401005

Mercedes Citan W415 Renault Kangoo Front Door Wiring Loom Left N/S 8200809160

£32.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W447 W448 Front Door Module Control Unit ECU Right O/S A1669013901

Part no. A4479006100

Mercedes W447 W448 Front Door Module Control Unit ECU Right O/S A1669013901

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 S204 Airbag Module  Air Bag SRS Control Unit ECU A2049013502

Part no. A2049013502

Mercedes W204 S204 Airbag Module Air Bag SRS Control Unit ECU A2049013502

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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iPod Interface Amplifier Mercedes W204 Module Control Unit ECU A2048703994

Part no. A2048703994

iPod Interface Amplifier Mercedes W204 Module Control Unit ECU A2048703994

£47.95

Free delivery - Mon, Dec 01

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 - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz S-Class W220 Door Control Module Left Rear N/S A2208216279

Part no. A2208216279

Mercedes-Benz S-Class W220 Door Control Module Left Rear N/S A2208216279

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W221 Bluetooth Control Module Mobile Phone Interface A2168204726

Part no. A2168204726

Mercedes W221 Bluetooth Control Module Mobile Phone Interface A2168204726

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz E-Class W207 Windscreen Windshield Rain Sensor Control Unit

Part no. A2079013700

Mercedes-Benz E-Class W207 Windscreen Windshield Rain Sensor Control Unit

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 Tire Pressure Control Module A0009006907

Part no. A0009006907

Mercedes W205 Tire Pressure Control Module A0009006907

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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ECU Holder Mercedes W212 Legroom Support Bracket Control Unit Module A2126840137

Part no. rhd-A2126840137

ECU Holder Mercedes W212 Legroom Support Bracket Control Unit Module A2126840137

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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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 - Mon, Dec 01

If paid before 14:00

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Mercedes W205 Fuse Box Relay Housing Cover A2055400124

Part no. rhd-A2055400124

Mercedes W205 Fuse Box Relay Housing Cover A2055400124

£42.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W211 PDC Parking Distance Control Unit Module Parktronic A2115406545

Part no. A2115406545

Mercedes W211 PDC Parking Distance Control Unit Module Parktronic A2115406545

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6395450232

Part no. A6395450232

Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6395450232

£94.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W221 Steering Column Wheel Angle Sensor Control Unit A2215457832

Part no. A2215457832

Mercedes W221 Steering Column Wheel Angle Sensor Control Unit A2215457832

£66.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W163 W169 W203 W210 Relay 5-Pin Yellow TYCO A0025421419

Part no. A0025421419

Mercedes W163 W169 W203 W210 Relay 5-Pin Yellow TYCO A0025421419

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Windscreen Camera Mercedes W177 W205 W213 Front Windshield Cam Unit A2479008306

Part no. A2479008306

Windscreen Camera Mercedes W177 W205 W213 Front Windshield Cam Unit A2479008306

£37.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes A205 Air Module Control Unit ECU A2059009827

Part no. A2059009827

Mercedes A205 Air Module Control Unit ECU A2059009827

£56.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 W213 W238 Fuse Box Cover Control Unit Holder Bracket  A2135400200

Part no. A2135400200

Mercedes W205 W213 W238 Fuse Box Cover Control Unit Holder Bracket A2135400200

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W221 S320 CDI 232HP Engine Control Module ECU Set A6421509777 Automatic

Part no. A6421509777-1

Mercedes W221 S320 CDI 232HP Engine Control Module ECU Set A6421509777 Automatic

£222.95

Free delivery - Tue, Dec 02

If paid before 14:00

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Mercedes W204 Door Card Harness Loom Cable Wiring Rear Right O/S A2044406135

Part no. A2044406135

Mercedes W204 Door Card Harness Loom Cable Wiring Rear Right O/S A2044406135

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes R171 Central Gateway Module ECU Control Unit A1715404945

Part no. A1715404945

Mercedes R171 Central Gateway Module ECU Control Unit A1715404945

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W177 Front Windscreen Windshield Camera Multi Purpose Unit A1779009902

Part no. A1779009902

Mercedes W177 Front Windscreen Windshield Camera Multi Purpose Unit A1779009902

£56.95

Free delivery - Mon, Dec 01

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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