Automotive electrical systems
More informationAt 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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Part no. A2129008307
Mercedes W212 Fuse Box Control Unit Module SAM Relay Box A2129008307
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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Mercedes W212 Light Sensor Sunlight Sensor Front A2518206510
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Mercedes W204 COMAND Navi CD Player Radio Sat Nav Head Unit A2049004714
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Mercedes W204 Aerial Antenna Control Unit Bracket Holder Mount A2045452647
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Mercedes W639 Vito 111 CDI OM646 Engine Unit Module ECU A6461532591 Manual
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Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
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Mercedes W211 W220 ESP Yaw Rotation Rate Sensor A0025426618
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Mercedes Vito W639 Air Module System Control Unit A6394460442
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Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389
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Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802
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Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405408
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Parking Sensor Mercedes W169 W204 W212 PDC Sensor Front Mountain Gray 787
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Mercedes W176 W246 Rear Boot Lid Tailgate Antenna Booster Amplifier
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Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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Mercedes Vito W639 Front Left Door N/S Lock Bowden Pull Cable A6397600704
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Mercedes-Benz E W210 Battery Starter Alternator Positive Plus Cable A2105401530
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Mercedes W202 C208 W208 Alarm Sensor Module Unit A2088206010
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Mercedes-Benz W210 Rear Left Right Door Interior Handle Pull Cable A2107600204
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Mercedes-Benz E W210 Seat Memory Control Unit Module Front Right A2108206626
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Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
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Mercedes-Benz C CLK W202 W208 Left N/S Parking System Warning Display Screen
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Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285
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Mercedes-Benz E-Class W210 S210 Battery Cable Box Connector Right A2105460241
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Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635400534
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Ignition Coil Mercedes W202 W203 M111 Cable Connector A0001501780
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Mercedes-Benz E-Class W210 Battery Ground Earth Strap Cable Wiring A2105401031
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Mercedes-Benz C E Class W202 W210 ESP Yaw Rotation Rate Sensor A0015404517
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Mercedes-Benz M ML W163 Rear Bumper Parktronic Wiring Loom Harness A1635402209
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Mercedes-Benz CLK W208 Front Left Right Door Wiring Loom Harness A2085405606
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Part no. A1695406805
Mercedes-Benz W245 Front Bumper Parking Sensor Parktronic Wiring Cable Harness
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Part no. A2108200789
Mercedes-Benz E-Class W210 Estate Radio Aerial Antenna Amplifier A2108200789
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Mercedes-Benz C M Class W163 W203 Motorola Telephone Control Module A2308204226
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Mercedes-Benz E-Class W210 Roof Alarm Motion Sensor Cover Trim Grey A2208208410
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Mercedes-Benz CLK W208 Front Left Right Door Interior Handle Bowden Pull Cable
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Part no. A2661502933
Mercedes A B W169 W245 M266 Petrol Engine Wiring Harness Loom A2661502933
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Mercedes-Benz E-Class W210 Positive Plus Cable Wiring Cover Cap A2105451303
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Part no. A1694402805
Mercedes-Benz A B W169 W245 Starter Alternator Battery Lead Cable A1694402805
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Part no. A1694403805
Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
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Mercedes-Benz W202 C208 W208 Control Unit Bracket Holder Boot Trunk A2025458440
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Part no. A6461502072
Mercedes-Benz W204 C220CDI Diesel Engine Control Unit Module ECU A6461502072
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Mercedes-Benz C W204 Rear Left N/O/S Right Door Wiring Loom Harness A2045407609
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Part no. A0121544502
Mercedes W168 Alternator Generator A0121544502
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Mercedes W163 Battery Ground Earth Strap Cable Wiring A1635400841
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Mercedes-Benz A-Class W168 1 Automatic Transmission Bowden Cable A1682901585
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Part no. A1695450046
Mercedes-Benz A C W169 W204 Battery Relay Module Box A1695450046 A0035422619
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Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901
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Mercedes-Benz E-Class W211 Battery Positive Cable Wiring A2115407907
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Part no. A0051512901
Mercedes ML W163 Engine Starter Motor A0051512901
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Part no. A6401504033
Mercedes-Benz B-Class W245 180CDI Engine Wiring Harness Loom Cable A6401504033
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Part no. A1685453340
Mercedes-Benz A-Class W168 Fuse Box Unit Holder Bracket Frame A1685453340
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Part no. A0005404750
Mercedes-Benz S CL Class W220 C215 Fuse Box Battery Connector A0005404750
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Part no. A2038206385
Mercedes-Benz C-Class W203 Airbag System Control Unit Module ECU A2038206385
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Part no. A2208216279
Mercedes-Benz S-Class W220 Door Control Module Left Rear N/S A2208216279
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Mercedes W168 ESP + HBA Electronic Stability Program Control Module A1685453532
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Mercedes E CLS Class W211 W219 Bracket Anti Tow Away Sensor Bracket A2118220114
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Part no. A2115452240
Mercedes-Benz E CLS Class W211 W219 Control Module Bracket Holder A2115452240
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Mercedes S211 W211 Fuse Box Unit Cover Front A2115400082
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Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit
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Mercedes-Benz C ML W203 C209 W163 6 CD Changer Magazine Cartridge A0028206289
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Battery Starter Wiring Mercedes W176 W246 Harness Cable Positive A2465407932
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Part no. A6071500133
Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500133
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Part no. A6461541102
Alternator Mercedes Vito W639 Sprinter W906 14V 180A Generator Valeo A6461541102
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Part no. A0009067900-1
Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900
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Part no. A1695451940-1
Fuse Box Mercedes W169 W245 Electrical Relay Control Module Unit A1695451740
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Part no. A2129001227
Gateway Control Unit Mercedes W204 W212 Gateway Module ECU VST A2129001227
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Part no. A0009063822
Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Part no. A2711502733
Wiring Harness Mercedes W203 M271 Kompressor Petrol Engine Camshaft A2711502733
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Part no. A0111548402
Alternator Generator Mercedes W203 M111 Petrol Engine Valeo 120A A0111548402
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Part no. A0061514501-1
Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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Part no. A2129005010
Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129005010
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Part no. A6395400431
Mercedes Vito W639 Earth Cable Battery Terminal Wiring A6395400431
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Part no. A6519005301
£Mercedes W212 E220CDI OM651 Diesel Engine Control Unit Module ECU A6519005301
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Part no. A9068200886
Radio Head Mercedes Vito W639 Sprinter W906 CD Audio Stereo Unit A9068200886
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Part no. A1698208326
Mercedes-Benz W169 W245 Door Module Front Left N/S Control Unit A1698208326
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Part no. A6395450301
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. A2038202686
Mercedes W203 W639 Audio 10 CD Player Audio Stereo Radio Head Unit A2038202686
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Part no. A6398201226
Mercedes Vito W639 Door Front Right O/S Control Unit Module ECU A6398201226
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Part no. A0121541302
Alternator Generator Mercedes W211 W220 R230 M112 Bosch 150A A0121541302
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Alternator Generator Mercedes W221 OM642 Diesel Engine 220A A0131540602 11304N
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Starter Motor Mercedes W415 Citan OM607 OM608 Diesel Engine Starter 233006508R
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Part no. A6397601704
Bowden Cable Mercedes W639 Rear Sliding Door Exterior Handle Wire A6397601704
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Part no. A6398200942
Mercedes-Benz Vito W639 Radio Fan Adapter Control Unit Module A6398200942
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Mercedes W639 Vito 109 CDI OM646 Engine Unit Module ECU A6461507272 Manual
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Mercedes Vito W639 Door Front Left N/S Control Unit Module ECU A6398201026
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Part no. A6511505120
Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120
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Part no. A0131549002
Alternator Generator Mercedes W204 W211 OM646 Diesel Bosch 180A A0131549002
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Part no. A9064461442
Mercedes Sprinter W906 ECU Control Unit Sensor Module A9064461442
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Mercedes-Benz M ML W163 Front Bumper Fog Lamps Parktronic Wiring Loom Harness
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Part no. A2711530691
Mercedes-Benz C W203 C200 Kompressor M271 Engine Control Unit ECU A2711530691
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Part no. A6121536379-2
Mercedes ML W163 270 CDI Engine Control ECU Kit Key Automatic A6121536379
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Part no. A2108206526
Mercedes-Benz E W210 Seat Memory Control Unit Module Front Left A2108206526
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Part no. A2108207826
Mercedes-Benz C208 W210 Front Right Door O/S Control Unit Module A2108207826
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Part no. A2025458140
Mercedes-Benz CLK E C208 W210 Holder Bracket Engine Control Unit A2025458140
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Part no. A2661541202
Mercedes-Benz A B Class W169 W245 Alternator Generator Petrol 90A A2661541202
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Part no. A6401507479
Mercedes-Benz W169 W245 A B 200 CDI Engine Control Unit Module ECU A6401507479
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Part no. A2085403508
Mercedes-Benz W202 C208 W208 Parking Sensor Wiring Cable Rear PDC A2085403508
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Part no. A1695420518
Mercedes-Benz B W245 Front Bumper Parking Distance Sensor Parktronic Primed
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Part no. A1685403706
Mercedes-Benz A-Class W168 M166 Engine Wiring Harness Loom Cable A1685403706
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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.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- 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:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, 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
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- 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
| Question | Answer |
|---|---|
| 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 .