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 W169 W245 Airbag System Control Unit Module ECU A1698206626

Part no. A1698206626

Mercedes W169 W245 Airbag System Control Unit Module ECU A1698206626

€23.95

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W205 W222 Fuel Pump Module Control Unit A0009003206

-5%

Part no. A0009003206

Mercedes W205 W222 Fuel Pump Module Control Unit A0009003206

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes X253 Hybrid Engine Wiring Harness Loom Cable A2535409530

-15%

Part no. A2535409530

Mercedes X253 Hybrid Engine Wiring Harness Loom Cable A2535409530

Promo price

€56.95

€48.41

Free delivery - Wed, Dec 31

If paid before 14:00

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Crash Sensor Mercedes W164 W221 W639 W906 Impact Control Unit A0038202826

-5%

Part no. A0038202826

Crash Sensor Mercedes W164 W221 W639 W906 Impact Control Unit A0038202826

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W447 114CDI OM622.851 136HP Engine Control Unit Manual A6229001000

-40%

Part no. A6229001000

Mercedes W447 114CDI OM622.851 136HP Engine Control Unit Manual A6229001000

Promo price

€393.95

€236.37

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes C Class W203 Solenoid SOLV Valve Wiring Harness Diesel A2035401113

-15%

Part no. A2035401113

Mercedes C Class W203 Solenoid SOLV Valve Wiring Harness Diesel A2035401113

Promo price

€37.95

€32.26

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes ML W164 Trunk Tailgate Foam Control Unit Module Bracket A1645453047

-5%

Part no. A1645453047

Mercedes ML W164 Trunk Tailgate Foam Control Unit Module Bracket A1645453047

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes CLS W219 Door Module Rear Right O/S Control Unit A2198203626

-5%

Part no. A2198203626

Mercedes CLS W219 Door Module Rear Right O/S Control Unit A2198203626

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Starter Motor Mercedes W169 W245 Diesel Engine A0051517401

-15%

Part no. A0051517401

Starter Motor Mercedes W169 W245 Diesel Engine A0051517401

Promo price

€28.95

€24.61

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes-Benz M-Class ML W163 Holder Bracket Engine Control Unit A1635450440

-5%

Part no. A1635450440

Mercedes-Benz M-Class ML W163 Holder Bracket Engine Control Unit A1635450440

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W221 Door Wiring Harness Cable Front Left Right N/O/S A2215408507

Part no. A2215408507

Mercedes W221 Door Wiring Harness Cable Front Left Right N/O/S A2215408507

€32.95

Free delivery - Wed, Dec 31

If paid before 14:00

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

-5%

Part no. A2128203485

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

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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

-5%

Part no. A0035420219-2

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

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Starter Cover Mercedes W205 W212 W213 M276 Heat Plate Motor Shield A2761508800

-5%

Part no. A2761508800

Starter Cover Mercedes W205 W212 W213 M276 Heat Plate Motor Shield A2761508800

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W164 Parking Sensor Wiring Loom Cable Harness Front PDC A1644400837

-15%

Part no. A1644400837

Mercedes W164 Parking Sensor Wiring Loom Cable Harness Front PDC A1644400837

Promo price

€80.95

€68.81

Free delivery - Wed, Dec 31

If paid before 14:00

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Transmission Module Mercedes W176 OM607 Diesel Control Unit A2469005315

-15%

Part no. A2469005315

Transmission Module Mercedes W176 OM607 Diesel Control Unit A2469005315

Promo price

€32.95

€28.01

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes-Benz M-Class ML W163 1 Cover Footwell Fuse Box Trim Right A1636801080

-15%

Part no. A1636801080-1

Mercedes-Benz M-Class ML W163 1 Cover Footwell Fuse Box Trim Right A1636801080

Promo price

€33.95

€28.86

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W221 Rear Door Wiring Harness Cable Left N/S A2215408609

Part no. A2215408609

Mercedes W221 Rear Door Wiring Harness Cable Left N/S A2215408609

€32.95

Free delivery - Wed, Dec 31

If paid before 14:00

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

-40%

Part no. A2829006700

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

Promo price

€284.95

€170.97

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes-Benz M-Class ML W163 1 Fuse Box Relay Lid Cover Trim A1636880035

-5%

Part no. A1636880035-1

Mercedes-Benz M-Class ML W163 1 Fuse Box Relay Lid Cover Trim A1636880035

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes Sprinter W910 Remote Key Control Unit A2479052503

-15%

Part no. A2479052503

Mercedes Sprinter W910 Remote Key Control Unit A2479052503

Promo price

€94.95

€80.71

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W221 Door Harness Wiring Loom Rear Right O/S A2215408908

Part no. A2215408908

Mercedes W221 Door Harness Wiring Loom Rear Right O/S A2215408908

€32.95

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W205 C43 4MATIC M276.823 367HP Engine Control ECU A2769007500 Automatic

Part no. A2769007500

Mercedes W205 C43 4MATIC M276.823 367HP Engine Control ECU A2769007500 Automatic

€379.95

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033

-5%

Part no. A2034400033

Mercedes CLC CL203 Wiring Loom Cable Door Front Left Right N/O/S A2034400033

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W169 A170 M166.940 116HP Engine Unit Module ECU A2661536679 Automatic

-40%

Part no. A2661536679-2

Mercedes W169 A170 M166.940 116HP Engine Unit Module ECU A2661536679 Automatic

Promo price

€56.95

€34.17

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine Module ECU A6401500734

-40%

Part no. A6401500734

Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine Module ECU A6401500734

Promo price

€113.95

€68.37

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes R172 AMG SLC 43 276.822 Engine Control Module ECU Kit A2769007300

-40%

Part no. A2769007300-2

Mercedes R172 AMG SLC 43 276.822 Engine Control Module ECU Kit A2769007300

Promo price

€455.95

€273.57

Free delivery - Wed, Dec 31

If paid before 14:00

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Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129004901

Part no. A2129004901

Fuse Box Mercedes W212 Rear SAM Relay Control Unit Module A2129004901

€28.95

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes X253 Hybrid GLC Battery Electrical Wiring Harness A2533402600

-5%

Part no. A2533402600

Mercedes X253 Hybrid GLC Battery Electrical Wiring Harness A2533402600

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes ML W164 Aerial Antenna Amplifier Module Unit A1648701589

-15%

Part no. A1648701589

Mercedes ML W164 Aerial Antenna Amplifier Module Unit A1648701589

Promo price

€28.95

€24.61

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Grey SET X2 A0009822923

-5%

Part no. A0009822923-1

Mercedes W177 W205 W247 Relay Fuse Unit Module 4 Pins Grey SET X2 A0009822923

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W907 Front Radar Distance Control Unit Module A9079003303

-40%

Part no. A9079003303

Mercedes W907 Front Radar Distance Control Unit Module A9079003303

Promo price

€132.95

€79.77

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes CLC CL203 Front Left N/S Door Control Module Unit A2038700126

-15%

Part no. A2038700326

Mercedes CLC CL203 Front Left N/S Door Control Module Unit A2038700126

Promo price

€28.95

€24.61

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W204 Battery Wiring Starter Alternator Wiring Harness A2044409005

-5%

Part no. A2044409005

Mercedes W204 Battery Wiring Starter Alternator Wiring Harness A2044409005

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Head Unit Mercedes W447 Radio Navigation Audio 15 Control Unit A4479002405

Part no. A4479002405

Head Unit Mercedes W447 Radio Navigation Audio 15 Control Unit A4479002405

€218.95

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes R231 Seat Memory Control Unit Module Front Right A2219005404

-40%

Part no. A2219005404

Mercedes R231 Seat Memory Control Unit Module Front Right A2219005404

Promo price

€379.95

€227.97

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes C219 SAM Module Comfort Control Unit A2115455332

-15%

Part no. A2115455332

Mercedes C219 SAM Module Comfort Control Unit A2115455332

Promo price

€28.95

€24.61

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes S211 Rear Door Control Module Left N/S A2118201526

-5%

Part no. A2118201526

Mercedes S211 Rear Door Control Module Left N/S A2118201526

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W169 W245 Door Control Unit Left N/S Rear A1698207526

-5%

Part no. A1698207526-1

Mercedes W169 W245 Door Control Unit Left N/S Rear A1698207526

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Keyless Module Mercedes W205 W213 C253 ECU Door Lock Control Unit A2229004213

-5%

Part no. A2229004213

Keyless Module Mercedes W205 W213 C253 ECU Door Lock Control Unit A2229004213

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W177 W247 SAM Module Body Comfort Control Unit A2479001306

-40%

Part no. A2479001306

Mercedes W177 W247 SAM Module Body Comfort Control Unit A2479001306

Promo price

€113.95

€68.37

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890279

-5%

Part no. A6396890279

Mercedes Viano Vito W639 Radio Fan Adapter Control Unit Module A6396890279

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Door Module Mercedes W205 W213 X253 Front Right O/S Control Unit A1679003118

-40%

Part no. A1679003118

Door Module Mercedes W205 W213 X253 Front Right O/S Control Unit A1679003118

Promo price

€75.95

€45.57

Free delivery - Wed, Dec 31

If paid before 14:00

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Battery Cable Mercedes GLC X253 Starter Motor Alternator Wiring A2055404797

-40%

Part no. A2055404797

Battery Cable Mercedes GLC X253 Starter Motor Alternator Wiring A2055404797

Promo price

€47.95

€28.77

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes X253 Ground Line Battery Earth Cable Wire A0005406904

-5%

Part no. A0005406904

Mercedes X253 Ground Line Battery Earth Cable Wire A0005406904

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W169 W245 Engine Starter Motor A0041518501

-15%

Part no. A0041518501-1

Mercedes W169 W245 Engine Starter Motor A0041518501

Promo price

€32.95

€28.01

Free delivery - Wed, Dec 31

If paid before 14:00

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Door Module Mercedes C207 W207 Front Left N/S Control Unit ECU A2079001100

-5%

Part no. A2079001100

Door Module Mercedes C207 W207 Front Left N/S Control Unit ECU A2079001100

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W246 B180 270.910 122HP BlueEffi Engine ECU A2709000900 Automatic

Part no. A2709000900-7

Mercedes W246 B180 270.910 122HP BlueEffi Engine ECU A2709000900 Automatic

€327.95

Free delivery - Wed, Dec 31

If paid before 14:00

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Head Unit Mercedes W169 W245 CD Player Radio Audio A1699002000

Part no. A1699002000

Head Unit Mercedes W169 W245 CD Player Radio Audio A1699002000

€47.95

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W176 W231 W246 Electric Parking Brake Control Unit Module A2469003014

-5%

Part no. A2469003014

Mercedes W176 W231 W246 Electric Parking Brake Control Unit Module A2469003014

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic

-40%

Part no. A6519007500-16

Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic

Promo price

€42.95

€25.77

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W204 Automatic Gearbox Transmission Module Unit ECU A0005455916

Part no. A0005455916

Mercedes W204 Automatic Gearbox Transmission Module Unit ECU A0005455916

€28.95

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W176 Rain Light Sensor Control Unit Front Windscreen Camera A2469005515

Part no. A2469005515

Mercedes W176 Rain Light Sensor Control Unit Front Windscreen Camera A2469005515

€37.95

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1729051301

-5%

Part no. A1729051301

Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1729051301

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W213 Head Unit CD Media Player Audio Auto Radio Controller A2139005311

-40%

Part no. A2139005311

Mercedes W213 Head Unit CD Media Player Audio Auto Radio Controller A2139005311

Promo price

€170.95

€102.57

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes C118 Positive Pole Battery Insulating Cap Cover Trim A0005463704

-5%

Part no. A0005463704

Mercedes C118 Positive Pole Battery Insulating Cap Cover Trim A0005463704

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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

-5%

Part no. A2074407613

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

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W204 C207 Centre Console Aux Port Socket Plug Terminal A1728200815

-5%

Part no. A1728200815

Mercedes W204 C207 Centre Console Aux Port Socket Plug Terminal A1728200815

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W118 W177 Alternator Earth Cable Wiring Harness Loom A1775408457

Part no. A1775408457

Mercedes W118 W177 Alternator Earth Cable Wiring Harness Loom A1775408457

€80.95

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W204 W207 W212 W221 Humidity Temperature Sensor Unit A1729058200

-5%

Part no. A1729058200

Mercedes W204 W207 W212 W221 Humidity Temperature Sensor Unit A1729058200

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W639 116 CDI 651.940 163HP Engine Module ECU Kit A6519009302 Key Lock

-40%

Part no. A6519009302-4

Mercedes W639 116 CDI 651.940 163HP Engine Module ECU Kit A6519009302 Key Lock

Promo price

€427.95

€256.77

Free delivery - Wed, Dec 31

If paid before 14:00

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

-5%

Part no. A0035420819

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

Promo price

€23.95

€22.75

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W907 Battery Cable Wiring Loom Harness Cabling A9075400500

-40%

Part no. A9075400500

Mercedes W907 Battery Cable Wiring Loom Harness Cabling A9075400500

Promo price

€75.95

€45.57

Free delivery - Wed, Dec 31

If paid before 14:00

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Mercedes W204 W212 W221 Battery Relay Module Unit A0009822023

Part no. A0009822023

Mercedes W204 W212 W221 Battery Relay Module Unit A0009822023

Product currently unavailable

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Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603

Part no. A2469002603

Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603

Product currently unavailable

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Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079010600

Part no. A2079010600

Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079010600

Product currently unavailable

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Mercedes ML W163 Alternator Generator A0001502550

Part no. A0001502550

Mercedes ML W163 Alternator Generator A0001502550

Product currently unavailable

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Mercedes-Benz Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600604

Part no. A6397600604

Mercedes-Benz Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600604

Product currently unavailable

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Bowden Cable Mercedes W639 Rear Sliding Door Exterior Handle Wire A6397601704

Part no. A6397601704

Bowden Cable Mercedes W639 Rear Sliding Door Exterior Handle Wire A6397601704

Product currently unavailable

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Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465408032

Part no. A2465408032

Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465408032

Product currently unavailable

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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A0001139065

Part no. A0001139065

Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A0001139065

Product currently unavailable

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Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401

-15%

Part no. A0009060401

Mercedes W204 OM651 14V 150A Alternator Generator Engine Start/Stop A0009060401

Product currently unavailable

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Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A1729016600

Part no. A1729016600

Mercedes W204 Display Screen Radio Multimedia Navigation Sat Unit A1729016600

Product currently unavailable

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COMAND Head Unit Mercedes CLA C117 W176 W246 Nav Sat Radio Player A2469000616

Part no. A2469000616

COMAND Head Unit Mercedes CLA C117 W176 W246 Nav Sat Radio Player A2469000616

Product currently unavailable

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Mercedes W207 A207 W212 Digital Satellite Radio Control Unit A2229009211

Part no. A2229009211

Mercedes W207 A207 W212 Digital Satellite Radio Control Unit A2229009211

Product currently unavailable

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Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604

Part no. A0009012604

Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604

Product currently unavailable

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Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201

Part no. A0009010201

Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201

Product currently unavailable

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Mercedes S204 Estate SAM Module Fuse Box Relay Control Unit A2129005812

-40%

Part no. A2129005812

Mercedes S204 Estate SAM Module Fuse Box Relay Control Unit A2129005812

Product currently unavailable

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Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533

Part no. A2035403533

Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533

Product currently unavailable

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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

Product currently unavailable

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Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132

Part no. A2045458132

Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132

Product currently unavailable

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Mercedes W203 W204 W212 OM642 Glow Plug Relay Unit Control Module A6429002700

Part no. A6429002700

Mercedes W203 W204 W212 OM642 Glow Plug Relay Unit Control Module A6429002700

Product currently unavailable

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Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802

Part no. A2711540802

Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802

Product currently unavailable

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Mercedes W169 W245 Rain Light Sensor Control Unit Module A1718203726

Part no. A1718204426

Mercedes W169 W245 Rain Light Sensor Control Unit Module A1718203726

Product currently unavailable

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Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300

Part no. A6399003300

Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300

Product currently unavailable

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Audio Amplifier Mercedes W211 CLS C219 AMP Becker Sound Module Unit A2118706689

Part no. A2118706689

Audio Amplifier Mercedes W211 CLS C219 AMP Becker Sound Module Unit A2118706689

Product currently unavailable

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Mercedes ML W164 Front Door Module Left N/S Control Unit ECU A1648200385

Part no. A1648200385

Mercedes ML W164 Front Door Module Left N/S Control Unit ECU A1648200385

Product currently unavailable

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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129008007

Part no. A2129008007

Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129008007

Product currently unavailable

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Mercedes W204 W211 W212 S212 Engine Starter Motor A2719060200

Part no. A2719060200

Mercedes W204 W211 W212 S212 Engine Starter Motor A2719060200

Product currently unavailable

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Mercedes W203 W204 Petrol Engine Starter Motor A0061510501

Part no. A0061510501

Mercedes W203 W204 Petrol Engine Starter Motor A0061510501

Product currently unavailable

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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

Product currently unavailable

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Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301

Part no. A6395450301-1

Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301

Product currently unavailable

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Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389

Part no. A2038200389

Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389

Product currently unavailable

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Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802

Part no. A2661540802

Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802

Product currently unavailable

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Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085

Part no. A1698204085

Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085

Product currently unavailable

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Fuse Box Mercedes W204 W212 SAM Relay Control Unit Module A2045404150

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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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