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-Benz M-Class ML W163 Rear Axle Brake Wiring Loom Harness A1635408905

Part no. A1635408905

Mercedes-Benz M-Class ML W163 Rear Axle Brake Wiring Loom Harness A1635408905

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes C204 C250CDI OM651.911 204HP BlueEFFICIENCY Engine ECU Unit A6519007401

Part no. A6519007401-8

Mercedes C204 C250CDI OM651.911 204HP BlueEFFICIENCY Engine ECU Unit A6519007401

£75.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W639 CD Player Radio Audio Head Unit A6398200789

Part no. A6398200789

Mercedes W639 CD Player Radio Audio Head Unit A6398200789

£66.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes C205 C200 M264.915 Engine Control Unit ECU A2649001200 Automatic

Part no. A2649001200-5

Mercedes C205 C200 M264.915 Engine Control Unit ECU A2649001200 Automatic

£189.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W202 W203 W208 W220 M112 M113 Engine Starter Motor A0051510101

Part no. rhd-A0051510101-1

Mercedes W202 W203 W208 W220 M112 M113 Engine Starter Motor A0051510101

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Door Module Mercedes C118 W177 H243 Rear Left N/S Door Control A1779005509

Part no. A1779005509

Door Module Mercedes C118 W177 H243 Rear Left N/S Door Control A1779005509

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W177 W223 W247 Crash Impact Deployment Sensor Unit A2239052400

Part no. A2239052400

Mercedes W177 W223 W247 Crash Impact Deployment Sensor Unit A2239052400

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes Sprinter W910 Remote Key Control Unit A2479052503

Part no. A2479052503

Mercedes Sprinter W910 Remote Key Control Unit A2479052503

£75.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes CLK C209 A209 iPod Connection Interace Unit B67824232

Part no. B67824232

Mercedes CLK C209 A209 iPod Connection Interace Unit B67824232

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes H243 EQA Intica Systems Mount Support Holder Bracket A7899826101

Part no. A7899826101

Mercedes H243 EQA Intica Systems Mount Support Holder Bracket A7899826101

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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PDC Display Mercedes W204 Front Parking Sensor Screen Control Unit A2045420323

Part no. A2045420323

PDC Display Mercedes W204 Front Parking Sensor Screen Control Unit A2045420323

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W203 C209 Roof Alarm Motion Sensor Module Cover Trim Beige A2038219751

Part no. A2038219751-3

Mercedes W203 C209 Roof Alarm Motion Sensor Module Cover Trim Beige A2038219751

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes-Benz E-Class W207 A207 C207 Control Unit Module Bracket Passenger Side

Part no. rhd-A2046840137

Mercedes-Benz E-Class W207 A207 C207 Control Unit Module Bracket Passenger Side

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes-Benz ML GL R W164 W251 Additional Backup Battery Holder A1645453040

Part no. A1645453040

Mercedes-Benz ML GL R W164 W251 Additional Backup Battery Holder A1645453040

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W166 Map Card Fuse Box Grouping Diagram A1660080799

Part no. A1660080799

Mercedes W166 Map Card Fuse Box Grouping Diagram A1660080799

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes S205 W205 Air Conditioning Control Module A/C ECU Unit A0009001017

Part no. A0009001017

Mercedes S205 W205 Air Conditioning Control Module A/C ECU Unit A0009001017

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W251 Fuse Relay Electrical Box Housing Cover A2515400524

Part no. A2515400524

Mercedes W251 Fuse Relay Electrical Box Housing Cover A2515400524

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes CLS C218 Front Headlight Xenon Ballast Control Module Unit A2189009003

Part no. A2189009003

Mercedes CLS C218 Front Headlight Xenon Ballast Control Module Unit A2189009003

£56.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes C292 Positive Cable Battery Starter Alternator Plus Wiring A1664404337

Part no. RHD-A1664404337

Mercedes C292 Positive Cable Battery Starter Alternator Plus Wiring A1664404337

£70.95

Free delivery - Thu, Dec 18

If paid before 14:00

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 Mercedes W176 Door Harness Left Right N/O/S Rear Door Wiring Loom A2465409934

Part no. A2465409934

Mercedes W176 Door Harness Left Right N/O/S Rear Door Wiring Loom A2465409934

£85.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W177 A180d 116hp OM608.915 Engine ECU Kit A6089001500 Key Lock

Part no. A6089001500-2

Mercedes W177 A180d 116hp OM608.915 Engine ECU Kit A6089001500 Key Lock

£189.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W177 W247 Solenoid Valve Line Pipe Hose Starter A2474703702

Part no. A2474703702

Mercedes W177 W247 Solenoid Valve Line Pipe Hose Starter A2474703702

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W221 Fuse Box Control Unit Module Relay A1669061202

Part no. A1669061202

Mercedes W221 Fuse Box Control Unit Module Relay A1669061202

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 W207 Air Suspension Module Regulation Control Unit A2049000607

Part no. A2049000607

Mercedes W204 W207 Air Suspension Module Regulation Control Unit A2049000607

£56.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Door Module Mercedes W205 GLC C253 Rear Left N/S Control Unit ECU A2059004521

Part no. A2059004521

Door Module Mercedes W205 GLC C253 Rear Left N/S Control Unit ECU A2059004521

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W164 W251 Fuse Box Fuse And Relay Module Rear Unit A1645402372

Part no. A1645402372-1

Mercedes W164 W251 Fuse Box Fuse And Relay Module Rear Unit A1645402372

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W221 Door Crash Impact Sensor Rear Left Right N/O/S A0038201926

Part no. A0038201926

Mercedes W221 Door Crash Impact Sensor Rear Left Right N/O/S A0038201926

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Front Telephone Wireless Charging Load Wattage Module A2059008143

Part no. A2059008143

Mercedes W205 Front Telephone Wireless Charging Load Wattage Module A2059008143

£70.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W176 A45 4Matic M133.980 381HP Engine Control ECU A2709000900 Automatic

Part no. A2709000900-4

Mercedes W176 A45 4Matic M133.980 381HP Engine Control ECU A2709000900 Automatic

£474.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes S205 Negative Battery Cable Terminal Clamp Wire A0009068705

Part no. A0009068705

Mercedes S205 Negative Battery Cable Terminal Clamp Wire A0009068705

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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SAM Control Module Mercedes W164 W251 Comfort Fuse Box Unit A1645408101

Part no. A1645408101

SAM Control Module Mercedes W164 W251 Comfort Fuse Box Unit A1645408101

£189.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes C219 Passenger Side Front Control Module A2198201326

Part no. A2198201326

Mercedes C219 Passenger Side Front Control Module A2198201326

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W212 Wiring Loom Headrest Cable Harness Rear A2128203313

Part no. A2128203313

Mercedes W212 Wiring Loom Headrest Cable Harness Rear A2128203313

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Bracket Mount Mercedes W246 Gearbox Control Unit Holder Bracket A2465452940

Part no. RHD-A2465452940

Bracket Mount Mercedes W246 Gearbox Control Unit Holder Bracket A2465452940

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W212 Petrol Engine Starter Motor A2769064400

Part no. rhd-A2769064400

Mercedes W212 Petrol Engine Starter Motor A2769064400

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 C200 264.915 198HP Engine ECU Kit Module A2649000700 Key Automatic

Part no. A2649000700-1

Mercedes W205 C200 264.915 198HP Engine ECU Kit Module A2649000700 Key Automatic

£379.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Head Unit Mercedes CLA C118  W907 Sat Nav Radio Media Player Unit A2479006213

Part no. A2479006213

Head Unit Mercedes CLA C118 W907 Sat Nav Radio Media Player Unit A2479006213

£446.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W212 COMAND Radio Head Unit Navi CD DVD Player Navigation A2129003708

Part no. A2129003708

Mercedes W212 COMAND Radio Head Unit Navi CD DVD Player Navigation A2129003708

£161.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 W207 W212 Phone Adapter Contact Plate Holder Telephone A2048200811

Part no. A2048200811

Mercedes W204 W207 W212 Phone Adapter Contact Plate Holder Telephone A2048200811

£47.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Front Relay Power Fuse Box Control Unit Module A2055407011

Part no. RHD-A2055407011-1

Mercedes W205 Front Relay Power Fuse Box Control Unit Module A2055407011

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W167 W177 Radio Stereo Nav Navigation Head Unit High A1679005231

Part no. A1679005231

Mercedes W167 W177 Radio Stereo Nav Navigation Head Unit High A1679005231

£427.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes-Benz M-Class ML W164 Wiring Loom Cable Harness Fuel Tank A1645403132

Part no. A1645403132

Mercedes-Benz M-Class ML W164 Wiring Loom Cable Harness Fuel Tank A1645403132

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W176 W246 OM651 Alternator Cable Battery Prefuse Box A2465400308

Part no. A2465400308-1

Mercedes W176 W246 OM651 Alternator Cable Battery Prefuse Box A2465400308

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes-Benz S-Class W221 PDC Parking Sensor Control Unit Module A2215452716

Part no. A2215452716

Mercedes-Benz S-Class W221 PDC Parking Sensor Control Unit Module A2215452716

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W470 Rear Right O/S Door Wiring Loom Harness 24125 5XF0B

Part no. 241255XF0B

Mercedes W470 Rear Right O/S Door Wiring Loom Harness 24125 5XF0B

£47.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W221 Front Fuse Box Unit A2215404550

Part no. A2215404550

Mercedes W221 Front Fuse Box Unit A2215404550

£70.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W164 Rear View Reversing Camera Control Unit Module A1648201697

Part no. A1648201697

Mercedes W164 Rear View Reversing Camera Control Unit Module A1648201697

£142.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 Door Wiring Front Right O/S Door Cable Harness A2045409533

Part no. A2045409533

Mercedes W204 Door Wiring Front Right O/S Door Cable Harness A2045409533

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W212 Battery Holder Mount Bracket Support E-Class A2125455640

Part no. A2125455640

Mercedes W212 Battery Holder Mount Bracket Support E-Class A2125455640

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes C219 CLS 320 642.920 224HP Engine Unit ECU Kit A6421503972 Key Lock

Part no. A6421503972-1

Mercedes C219 CLS 320 642.920 224HP Engine Unit ECU Kit A6421503972 Key Lock

£142.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Wiring Loom Mercedes W212 Cable Front Door Right O/S Driver Side 8

Part no. A2125406705

Wiring Loom Mercedes W212 Cable Front Door Right O/S Driver Side 8

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 Door Wiring Front Left N/S Door Cable Harness A2045402410

Part no. A2045402410

Mercedes W204 Door Wiring Front Left N/S Door Cable Harness A2045402410

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Door Cable Mercedes W212 Wiring Loom Front Left Right Door N/O/S A2075402013

Part no. A2075402013

Door Cable Mercedes W212 Wiring Loom Front Left Right Door N/O/S A2075402013

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Door Cable Mercedes V177 Wiring Loom Front Right Driver Door O/S A1775406801

Part no. rhd-A1775406801

Door Cable Mercedes V177 Wiring Loom Front Right Driver Door O/S A1775406801

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Front Bumper PDC Parking Sensor Wiring Harness Cable A2055404207

Part no. A2055404207-1

Mercedes W205 Front Bumper PDC Parking Sensor Wiring Harness Cable A2055404207

£89.95

Free delivery - Thu, Dec 18

If paid before 14:00

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ECU Bracket Mercedes W211 CLS C219 Control Unit Module Holder Mount A2115458240

Part no. rhd-A2115458240

ECU Bracket Mercedes W211 CLS C219 Control Unit Module Holder Mount A2115458240

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W176 W246 Wiring Loom Cable Door Rear Left Right N/O/S A2465406809

Part no. A2465406809

Mercedes W176 W246 Wiring Loom Cable Door Rear Left Right N/O/S A2465406809

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Fuse Box Mercedes W205 S205 W213 Fuse Box Front Relay Control Module A2059068501

Part no. A2059068501-1

Fuse Box Mercedes W205 S205 W213 Fuse Box Front Relay Control Module A2059068501

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W212 Radio Head Unit COMAND Navi CD DVD Player Control Unit A2129068800

Part no. A2129068800-2

Mercedes W212 Radio Head Unit COMAND Navi CD DVD Player Control Unit A2129068800

£113.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes CL C216 Bluetec Contact Plate Adapter Phone Recording A2198200511

Part no. A2198200511-1

Mercedes CL C216 Bluetec Contact Plate Adapter Phone Recording A2198200511

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Front Door Module Right O/S Control Unit ECU A1679008711

Part no. A1679008711

Mercedes W205 Front Door Module Right O/S Control Unit ECU A1679008711

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1765406708

Part no. A1765406708

Mercedes W176 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1765406708

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Head Unit Mercedes C207 W212 High Radio Sat Nav Navigation A2129063301

Part no. A2129063301

Head Unit Mercedes C207 W212 High Radio Sat Nav Navigation A2129063301

£189.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 W212 Multimedia Interface Unit Module Bracket Mount A22045451040

Part no. A2045451040

Mercedes W204 W212 Multimedia Interface Unit Module Bracket Mount A22045451040

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W211 Central Gateway Module Control Unit A2115405645

Part no. A2115405645-1

Mercedes W211 Central Gateway Module Control Unit A2115405645

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes X253 GLC220 4Matic OM654.920 Engine Control ECU A6549004300 Automatic

Part no. A6549004300

Mercedes X253 GLC220 4Matic OM654.920 Engine Control ECU A6549004300 Automatic

£75.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Battery Cable Mercedes C117 W176 W246 Alternator Wiring Harness A2465400508

Part no. A2465400508

Battery Cable Mercedes C117 W176 W246 Alternator Wiring Harness A2465400508

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 Airmatic Air Suspension Control Unit Module ECU A2044400102

Part no. A2044400102

Mercedes W204 Airmatic Air Suspension Control Unit Module ECU A2044400102

£66.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes R231 Battery Negative Terminal Cable Wiring Wire A2315408813

Part no. A2315408813

Mercedes R231 Battery Negative Terminal Cable Wiring Wire A2315408813

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Door Module Mercedes R231 Front Door Left N/S Control Module A2319009006

Part no. A2319009006

Door Module Mercedes R231 Front Door Left N/S Control Module A2319009006

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes A238 Convertible E450 M276.823 Engine ECU Unit A2769004901 Automatic

Part no. A2769004901

Mercedes A238 Convertible E450 M276.823 Engine ECU Unit A2769004901 Automatic

£379.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708285

Part no. A2218708285

Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708285

£474.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Keyless Go Module Mercedes C118 W177 W247 ECU Entry Control Unit A1679004416

Part no. A1679004416

Keyless Go Module Mercedes C118 W177 W247 ECU Entry Control Unit A1679004416

£42.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes C219 CLS320 CDI OM642.920 Engine Module ECU Kit A6421509078 Automatic

Part no. A6421509078-1

Mercedes C219 CLS320 CDI OM642.920 Engine Module ECU Kit A6421509078 Automatic

£142.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes H243 EQA Plate Mount Support Holder Bracket A7893432811

Part no. A7893432811

Mercedes H243 EQA Plate Mount Support Holder Bracket A7893432811

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes X156 C117 W176 Multimedia Switch CD Player Radio Head Unit A2469009512

Part no. A2469009512-1

Mercedes X156 C117 W176 Multimedia Switch CD Player Radio Head Unit A2469009512

£94.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 S204 Radio Head Unit Sat Nav CD Player A2049003509

Part no. A2049003509-1

Mercedes W204 S204 Radio Head Unit Sat Nav CD Player A2049003509

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 C 220d 651.921 163HP Engine Control Unit ECU A6519005203 Automatic

Part no. A6519005203-4

Mercedes W205 C 220d 651.921 163HP Engine Control Unit ECU A6519005203 Automatic

£42.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W221 Integrated Supply Module Electrical Control Unit A2215401062

Part no. A2215401062

Mercedes W221 Integrated Supply Module Electrical Control Unit A2215401062

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Module Mercedes S205 Trunk Rear Tuner Digital Radio DAB Control Unit A2229001408

Part no. A2229001408

Module Mercedes S205 Trunk Rear Tuner Digital Radio DAB Control Unit A2229001408

£28.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Door Wiring Front Left Right N/O/S Cable Harness A2055408406

Part no. rhd-A2055408406

Mercedes W205 Door Wiring Front Left Right N/O/S Cable Harness A2055408406

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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SAM Module Mercedes W207 W212 Rear Control Unit ECU A2129060205

Part no. A2129060205-1

SAM Module Mercedes W207 W212 Rear Control Unit ECU A2129060205

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W907 Battery Electrical Ground Line Wire Earth Cable A9075406749

Part no. A9075406749

Mercedes W907 Battery Electrical Ground Line Wire Earth Cable A9075406749

£13.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes SLK R172 Door Locking System Cable Wiring Harness Right O/S A1725400208

Part no. rhd-A1725400208

Mercedes SLK R172 Door Locking System Cable Wiring Harness Right O/S A1725400208

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes SL R231 Vario Folding Roof Module Control Unit ECU A2319000208

Part no. A2319000208

Mercedes SL R231 Vario Folding Roof Module Control Unit ECU A2319000208

£189.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Fuse Box Mercedes W213 C238 Relay Module Control Unit A2135400850

Part no. RHD-A2135400850

Fuse Box Mercedes W213 C238 Relay Module Control Unit A2135400850

£32.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W177 A200 M282.814 163HP Engine Control Unit ECU A2829006700 Automatic

Part no. A2829006700

Mercedes W177 A200 M282.814 163HP Engine Control Unit ECU A2829006700 Automatic

£218.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W163 Gearbox Transfer Case Control Module Unit ECU A1635455032

Part no. A1635455032

Mercedes W163 Gearbox Transfer Case Control Module Unit ECU A1635455032

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W639 W906 Relay 5-Pin Control Unit 12A Blue SET X2 A0035420219

Part no. A0035420219-2

Mercedes W639 W906 Relay 5-Pin Control Unit 12A Blue SET X2 A0035420219

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes C216 W221 Gateway Control Unit Module ECU A2215408362

Part no. A2215408362

Mercedes C216 W221 Gateway Control Unit Module ECU A2215408362

£37.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W205 Front Right O/S Door Electrical Wiring Harness A2055400548

Part no. rhd-A2055400548

Mercedes W205 Front Right O/S Door Electrical Wiring Harness A2055400548

£23.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 Battery Wiring Starter Alternator Wiring Harness A2044409005

Part no. A2044409005

Mercedes W204 Battery Wiring Starter Alternator Wiring Harness A2044409005

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Safety Module Mercedes W177 SRS Safety Systems Control Unit Bosch A1779001802

Part no. A1779001802

Safety Module Mercedes W177 SRS Safety Systems Control Unit Bosch A1779001802

£80.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Battery Cable Mercedes W204 C207 Starter Alternator Wiring Harness A2044407351

Part no. rhd-A2044407351

Battery Cable Mercedes W204 C207 Starter Alternator Wiring Harness A2044407351

£94.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W204 C207 W212 C250 M271.860 204HP Engine ECU Kit A2711500391 Automatic

Part no. A2711500391-11

Mercedes W204 C207 W212 C250 M271.860 204HP Engine ECU Kit A2711500391 Automatic

£275.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes W221 Telephone Bluetooth Control Module A2218708685

Part no. A2218708685

Mercedes W221 Telephone Bluetooth Control Module A2218708685

£18.95

Free delivery - Thu, Dec 18

If paid before 14:00

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Mercedes S212 Fuse Box Relay Control Unit SAM Module A2129009922

Part no. A2129009922

Mercedes S212 Fuse Box Relay Control Unit SAM Module A2129009922

£56.95

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Mercedes ML W166 BlueTec Exhaust Gas Aftertreatment Control Unit A6429006301

Part no. A6429006301

Mercedes ML W166 BlueTec Exhaust Gas Aftertreatment Control Unit A6429006301

£142.95

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Mercedes X166 Module SAM Electronics Control Unit A1669001708

Part no. A1669001708

Mercedes X166 Module SAM Electronics Control Unit A1669001708

£56.95

Free delivery - Thu, Dec 18

If paid before 14:00

Key components of vehicle electrical systems

Original electrical parts for popular car brands

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

How does a car's electrical system work?

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

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

Key technical parameters of electrical systems

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

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

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

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

Symptoms of electrical system disruptions

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

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

How to choose the right parts for your electrical system?

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

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

Compatibility and fit

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

Why choose used electrical parts?

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

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

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

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

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

Step-by-step control procedures

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

FAQ - Frequently asked questions about electrical systems in cars

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

Summary: Automotive electrical systems at Global Parts Automotive Store

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

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