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 W140 Head Unit Radio Player Control Module Becker A0038208286

Part no. A0038208286

Mercedes W140 Head Unit Radio Player Control Module Becker A0038208286

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Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key + Lock

Part no. A6421508100-2

Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key + Lock

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Mercedes GLE C292 Coupe Parking PDC Sensor Display Device Unit A0005427700

Part no. A0005427700

Mercedes GLE C292 Coupe Parking PDC Sensor Display Device Unit A0005427700

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Mercedes W140 Parking Control Unit Module Sensor A0205457832

Part no. A0205457832

Mercedes W140 Parking Control Unit Module Sensor A0205457832

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Mercedes W211 Central Gateway Control Unit Module Relay ECU A2115407545

Part no. A2115407545

Mercedes W211 Central Gateway Control Unit Module Relay ECU A2115407545

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Mercedes W211 Body Control Module BCM Comfort Module Unit A2115453532

Part no. A2115453532

Mercedes W211 Body Control Module BCM Comfort Module Unit A2115453532

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Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501

Part no. A0061514501

Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501

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Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469002318

Part no. A2469002318-1

Radio Head Unit Mercedes W176 Media Player Navigation Unit A2469002318

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Mercedes W204 Fuse Box Rear Relay Control Unit Module SAM A2045458601

Part no. A2045458601

Mercedes W204 Fuse Box Rear Relay Control Unit Module SAM A2045458601

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Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001

Part no. A1669056001

Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001

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Mercedes W204 Display Screen Multifunction Navigation Dashboard A1729004004

Part no. A1729004004-1

Mercedes W204 Display Screen Multifunction Navigation Dashboard A1729004004

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Mercedes-Benz M ML W163 OM612 Engine Wiring Harness Loom Cable A1635402810

Part no. A1635402810

Mercedes-Benz M ML W163 OM612 Engine Wiring Harness Loom Cable A1635402810

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Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465403803

Part no. A2465403803

Mercedes-Benz A-Class W176 Cover Equipment Electrical Fuse Box A2465403803

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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102

Part no. A6461541102-2

Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102

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Battery Starter Wiring Mercedes W168 Harness Cable Positive A1685400230

Part no. A1685400230

Battery Starter Wiring Mercedes W168 Harness Cable Positive A1685400230

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AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126

Part no. A0009002126

AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126

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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

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Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486

Part no. A9068200486

Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486

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Peugeot 3008 USB AUX Connector Interface Adapter Port Socket 96647952XT

Part no. 96647952XT

Peugeot 3008 USB AUX Connector Interface Adapter Port Socket 96647952XT

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Mercedes W140 Seat Memory Control Unit Module Front Left N/S A1408201426

Part no. A1408201426

Mercedes W140 Seat Memory Control Unit Module Front Left N/S A1408201426

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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045454501

Part no. A2045454701

Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045454501

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Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805

Part no. A2115401805

Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805

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Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105

Part no. A2049060105-2

Mercedes W204 SAM Control Unit Module Fuse Box Relay Rear A2049060105

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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control  A2059008917

Part no. A2059008917

Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917

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Fuse Box Mercedes SLK R171 Roadster SAM Relay Box Control Module A1715451701

Part no. A1715451701-1

Fuse Box Mercedes SLK R171 Roadster SAM Relay Box Control Module A1715451701

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Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391

Part no. A1695420018-HBL

Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391

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Mercedes W211 SAM Module Fuse Box Relay Control Unit A2115456101

Part no. A2115456101

Mercedes W211 SAM Module Fuse Box Relay Control Unit A2115456101

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Mercedes W213 E220 CDI OM654.920 Engine Control Unit ECU A6549001400 Automatic

Part no. A6549001400

Mercedes W213 E220 CDI OM654.920 Engine Control Unit ECU A6549001400 Automatic

Product currently unavailable

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Mercedes-Benz C CLK Class W203 W209 Airbag Control Unit Module ECU A0018209726

Part no. A0018209726

Mercedes-Benz C CLK Class W203 W209 Airbag Control Unit Module ECU A0018209726

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Mercedes Sprinter W906 Battery Cover Frame Bracket Mount Holder A9065410740

Part no. A9065410740

Mercedes Sprinter W906 Battery Cover Frame Bracket Mount Holder A9065410740

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Mercedes V177 Seat Control Module CSMM Front Right O/S A2479005807

Part no. A2479005807

Mercedes V177 Seat Control Module CSMM Front Right O/S A2479005807

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Mercedes-Benz C-Class W204 Bluetooth Hands-free Mobile Phone Adapter B6 787 5877

Part no. B6 787 5877

Mercedes-Benz C-Class W204 Bluetooth Hands-free Mobile Phone Adapter B6 787 5877

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Mercedes W166 W213 C238 Power Distribution Plate Control Unit Module A0009821012

Part no. A0009821012

Mercedes W166 W213 C238 Power Distribution Plate Control Unit Module A0009821012

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Door Module Mercedes W204 W212 Rear Right O/S Control Unit Module A2129001327

Part no. A2129001327

Door Module Mercedes W204 W212 Rear Right O/S Control Unit Module A2129001327

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Mercedes Sprinter W910 ECU Bracket Control Unit Module Holder Mount A6511400300

Part no. A6511400800-1

Mercedes Sprinter W910 ECU Bracket Control Unit Module Holder Mount A6511400300

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Mercedes W213 Air Con Conditioning Module A/C Climate Control Unit A2139000407

Part no. A2139000407

Mercedes W213 Air Con Conditioning Module A/C Climate Control Unit A2139000407

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Mercedes-Benz E-Class W210 Battery Ground Earth Strap Cable Wiring A2105401031

Part no. A2105401031

Mercedes-Benz E-Class W210 Battery Ground Earth Strap Cable Wiring A2105401031

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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

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Fuse Box Cover Mercedes W203 W209 Battery Terminal Housing Trim Cap A2035451003

Part no. A2035451003

Fuse Box Cover Mercedes W203 W209 Battery Terminal Housing Trim Cap A2035451003

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Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285

Part no. A2118208285

Mercedes W211 Door Module Front Right O/S Driver Control Unit ECU A2118208285

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Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902

Part no. A2711540902-1

Alternator Generator Mercedes W203 W209 Engine M271 120A 14V A2711540902

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Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203

Part no. A4479058203

Mercedes Vito W447 Radio Remote Control Alarm Key Fob Unit A4479058203

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Mercedes W176 W246 Radio COMAND Nav CD Player Control Head Unit A2469003519

Part no. A2469003519

Mercedes W176 W246 Radio COMAND Nav CD Player Control Head Unit A2469003519

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Mercedes-Benz A B Class W169 W245 Sam Control Module Fuse Box Unit A1695454332

Part no. A1695454332

Mercedes-Benz A B Class W169 W245 Sam Control Module Fuse Box Unit A1695454332

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Mercedes-Benz W203 C 200K M111 Engine Control Unit Module ECU A1111531879

Part no. A1111531879

Mercedes-Benz W203 C 200K M111 Engine Control Unit Module ECU A1111531879

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Mercedes W164 ML 280 CDI 642.940 190HP Engine Unit ECU Kit A6421509678 Key Lock

Part no. A6421509678-2

Mercedes W164 ML 280 CDI 642.940 190HP Engine Unit ECU Kit A6421509678 Key Lock

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Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606

Part no. A1669008606-1

Seat Module Mercedes W176 W246 Front Left N/S Memory Control Unit A1669008606

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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489

Part no. A2098205489-1

Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489

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Mercedes W211 Door Module Front Left N/S Driver Control Unit ECU A2118208185

Part no. A2118208185

Mercedes W211 Door Module Front Left N/S Driver Control Unit ECU A2118208185

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Mercedes-Benz A-Class W169 SAM Control Module Fuse Box Unit A1695454232

Part no. A1695454232

Mercedes-Benz A-Class W169 SAM Control Module Fuse Box Unit A1695454232

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Mercedes W176 A200 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600

Part no. A6519007600-2

Mercedes W176 A200 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600

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Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102

Part no. A2721540102

Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102

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

Part no. A6229000500-1

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

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Alternator Mercedes R172 SLC 43 AMG Petrol OM276 200A Valeo A0009068806

Part no. A0009068806

Alternator Mercedes R172 SLC 43 AMG Petrol OM276 200A Valeo A0009068806

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Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135

Part no. A2123300135

Mercedes W212 Front Axle Suspension Wishbone Ball Joint Mount A2123300135

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Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901

Part no. A2469067901-1

Battery Positive Mercedes C117 W176 W246 Plus Pole Terminal Lead A2469067901

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Mercedes-Benz E-Class W211 Battery Positive Connector Fuse Box A2115461141

Part no. A2115461141

Mercedes-Benz E-Class W211 Battery Positive Connector Fuse Box A2115461141

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Alternator Mercedes Sprinter W906 Diesel  OM646 Engine Alternator A6461540002

Part no. A6461540002-1

Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002

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Mercedes W213 C238 Tyre Pressure Monitor Sensor Module Unit TPMS ECU A0009002013

Part no. A0009002013

Mercedes W213 C238 Tyre Pressure Monitor Sensor Module Unit TPMS ECU A0009002013

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Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479009609

Part no. A4479009609

Mercedes Vito W447 Fuse Box Relay Control Unit Electric Module SAM A4479009609

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Sam Module Mercedes ML W164 Rear Relay Box Control SAM Unit A1649004400

Part no. A1649004400

Sam Module Mercedes ML W164 Rear Relay Box Control SAM Unit A1649004400

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Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635403033

Part no. A1635403033

Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635403033

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Exhaust Flap Actuator Mercedes W205 W213 C253 Control Unit Right O/S A2909064100

Part no. A2909064100

Exhaust Flap Actuator Mercedes W205 W213 C253 Control Unit Right O/S A2909064100

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Air Bag Module Mercedes W211 Control Unit ECU Airbag Sensor A2118705885

Part no. A2118705885

Air Bag Module Mercedes W211 Control Unit ECU Airbag Sensor A2118705885

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Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200

Part no. A2465400340-1

Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200

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Mercedes W203 C180 Kompressor M271.946 Engine ECU A2711532291 Automatic

Part no. A2711532291

Mercedes W203 C180 Kompressor M271.946 Engine ECU A2711532291 Automatic

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Mercedes W202 A208 C208 W208 W210 Fuse Box Relay Control Unit A0005400072

Part no. A0005400072

Mercedes W202 A208 C208 W208 W210 Fuse Box Relay Control Unit A0005400072

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Mercedes-Benz W203 C 180 Kompressor Engine Control Unit Module A2711536179 Auto

Part no. A2711536179-1

Mercedes-Benz W203 C 180 Kompressor Engine Control Unit Module A2711536179 Auto

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Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700196

Part no. A2048700196-3

Mercedes W204 Radio Player COMAND Navi CD Head Unit A2048700196

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Mercedes W204 Display Screen Information Navigation Dashboard A2049007408

Part no. A2049007408

Mercedes W204 Display Screen Information Navigation Dashboard A2049007408

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Mercedes-Benz C ML W203 C209 W163 6 CD Changer Magazine Cartridge A0028206289

Part no. A0028206289

Mercedes-Benz C ML W203 C209 W163 6 CD Changer Magazine Cartridge A0028206289

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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450601

Part no. A6395450601-1

Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450601

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Mercedes W177 Fuse Box Power Distribution Junction Relay Unit A1779061002

Part no. A1779061002-1

Mercedes W177 Fuse Box Power Distribution Junction Relay Unit A1779061002

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Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609

Part no. A1729006609

Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609

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Mercedes W164 Fuse Box Relay Module Unit A1645403472

Part no. A1645403472

Mercedes W164 Fuse Box Relay Module Unit A1645403472

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Mercedes W203 W211 C209 M271 Petrol Engine Alternator A2711540802

Part no. A2711540802-1

Mercedes W203 W211 C209 M271 Petrol Engine Alternator A2711540802

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Communication Module Mercedes R172 C117 W176 Hermes LTE Control Unit A2229004519

Part no. a2229004519

Communication Module Mercedes R172 C117 W176 Hermes LTE Control Unit A2229004519

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Mercedes W211 Central Gateway Module Control Unit A2115405645

Part no. A2115405645-1

Mercedes W211 Central Gateway Module Control Unit A2115405645

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Mercedes-Benz E-Class W210 ESP PML BAS Control Unit Module ECU A0315450832

Part no. A0315450832

Mercedes-Benz E-Class W210 ESP PML BAS Control Unit Module ECU A0315450832

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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745

Part no. A2215408745

Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745

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Fuse Box Mercedes W177 W247 Front Relay Engine Control Unit Module A1779069601

Part no. A1779069601

Fuse Box Mercedes W177 W247 Front Relay Engine Control Unit Module A1779069601

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Mercedes W176 A180 CDI OM607 109HP BlueEFFICIENCY Engine Unit ECU A6079002200

Part no. A6079002200-2

Mercedes W176 A180 CDI OM607 109HP BlueEFFICIENCY Engine Unit ECU A6079002200

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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003101

Part no. A6399003101

Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003101

Product currently unavailable

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Mercedes W906 311 CDI 646.985 109HP Engine Unit Module ECU A6461500477 Manual

Part no. A6461500477

Mercedes W906 311 CDI 646.985 109HP Engine Unit Module ECU A6461500477 Manual

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Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805

Part no. A1694402805

Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805

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Mercedes ML W164 Battery Positive Cable Wiring A1645402830

Part no. A1645402830

Mercedes ML W164 Battery Positive Cable Wiring A1645402830

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Mercedes ML W164 OM642 Diesel Engine Wiring Loom Harness Cable A6421507733

Part no. A6421507733

Mercedes ML W164 OM642 Diesel Engine Wiring Loom Harness Cable A6421507733

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Mercedes Vito W639 Door Front Left N/S Control Unit Module ECU A6398201026

Part no. A6398201026

Mercedes Vito W639 Door Front Left N/S Control Unit Module ECU A6398201026

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Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701

Part no. A0009063701

Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701

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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

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Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323

Part no. A0009825323

Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323

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Mercedes W221 Night Vision System Camera Module Control Unit A2218705885

Part no. A2218705885

Mercedes W221 Night Vision System Camera Module Control Unit A2218705885

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Mercedes A209 CLK200 K M271.955 Engine Control Unit ECU Kit A2710107344 Key

Part no. A2710107344-1

Mercedes A209 CLK200 K M271.955 Engine Control Unit ECU Kit A2710107344 Key

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Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202

Part no. A2219009202

Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202

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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120

Part no. A6511505120

Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120

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Mercedes ML W164 PDC Module Parking Distance Control Unit Sensor A1645450216

Part no. A1645450216

Mercedes ML W164 PDC Module Parking Distance Control Unit Sensor A1645450216

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Mercedes-Benz A W168 Door Cable Harness Wiring Loom Rear Left Right A1685402508

Part no. A1685402508

Mercedes-Benz A W168 Door Cable Harness Wiring Loom Rear Left Right A1685402508

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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386

Part no. A1718200386-1

Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386

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Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804

Part no. A0018276804

Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804

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Key components of vehicle electrical systems

Original electrical parts for popular car brands

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

How does a car's electrical system work?

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

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

Key technical parameters of electrical systems

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

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

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

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

Symptoms of electrical system disruptions

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

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

How to choose the right parts for your electrical system?

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

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

Compatibility and fit

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

Why choose used electrical parts?

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

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

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

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

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

Step-by-step control procedures

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

FAQ - Frequently asked questions about electrical systems in cars

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

Summary: Automotive electrical systems at Global Parts Automotive Store

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

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