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. A2479005807
Mercedes V177 Seat Control Module CSMM Front Right O/S A2479005807
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Part no. A1635457032
Mercedes ML W163 Module SAM Electronics Control Unit A1635457032
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Part no. A0305452632
Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
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Part no. A1635422318
Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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Part no. A1635457332
Mercedes ML W163 Comfort Control Module Central Electronics A1635457332
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Part no. A1635422218
Mercedes ML W163 SRS Control Module Sensor Unit Temic A1635422218
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Part no. A2219007301
Mercedes W221 Front Door Control Left N/S Module Unit ECU A2219007301
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Part no. A6421508900-8
Mercedes W221 S350 BlueTEC OM642.862 Engine ECU Kit Ignition + Key A6421508900
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Part no. A2219013000
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219013000
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Part no. A2215401682
Mercedes W221 Cover Fuse Box Case Trim Panel Lid A2215401682
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Part no. A2219009202
Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202
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Part no. A1669006020
Mercedes W166 Front SAM BCM Control Unit Module CBC V4 ECU A1669006020
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Part no. A6519004201-1
Mercedes GLE250 W166 OM651.960 204HP Engine ECU Kit Ignition + Key A6519004201
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Part no. A6511501879-7
Mercedes Vito W639 OM651.940 136HP 113 CDI Engine ECU Kit A6511501879 Keys+Lock
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Part no. A0009001700
Mercedes Vito W639 Automatic Gearbox EGS53 Control Unit Module ECU A0009001700
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Part no. A1669008512
Mercedes GLE 250 AM Tailgate Trunk Control Module Unit A1669008512
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Part no. A1669005420
Mercedes W166 Radio Sat Nav CD Multimedia Control Central Head Unit A1669005420
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Part no. A2139008123
Mercedes A238 SAM Control Module Unit ECU A2139008123
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Part no. A2059001336
Mercedes W238 Coupe Convertible Module Control Unit ECU A2059001336
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Part no. A6519007500-17
Mercedes C207 E220 CDI OM651.911 BE Engine Unit Module ECU A6519007500 Automatic
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Part no. A2389000501
Mercedes A238 Convertible Folding Top Roof ECU Module Control Unit A2389000501
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Part no. A0009063003
Mercedes W213 Alternator Generator 200A 14V A0009063003
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Part no. A2139009020
Mercedes A238 Control Unit Module Amplifier Premium Sound A2139009020
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Part no. A9065402727
Mercedes Sprinter W906 OM651 Engine Wiring Harness Cable Loom A9065402727
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Part no. A2469000616
COMAND Head Unit Mercedes CLA C117 W176 W246 Nav Sat Radio Player A2469000616
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Part no. A2129001929
Mercedes W176 Keyless Control Module Unit ECU A2129001929
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Part no. A1698203775
Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698203775
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Part no. A2661531491-5
Mercedes W169 A180 M266.940 116HP Engine ECU Kit A2661531491 Key Lock Automatic
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Part no. A2118703794
Mercedes W169 W211 W245 Sound Audio Amplifier Unit Harman Becker A2118703794
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Part no. A2711538579-1
Mercedes R171 SLK 200 M271.944 163HP Engine Module ECU Kit A2711538579 Key Lock
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Part no. A0009063622
Mercedes W166 W204 R231 Alternator Generator 180A 14V A0009063622
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Part no. A6291501933
Mercedes W164 OM629 Diesel Engine Motor Wiring Loom Cable Harness A6291501933
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Part no. A6291500450
Alternator Mercedes ML W164 GL X164 Diesel OM629 Bosch 14V 220A A6291500450
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Part no. A2059000044
Mercedes C205 Midline Sound Audio Amplifier Unit A2059000044
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Part no. A2049005205
Mercedes W204 Dashboard Stereo Display Screen Sat Nav Multimedia A2049005205
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Part no. A0025424419-1
Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
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Part no. A1729000302
Mercedes R172 PDC Parking Distance Sensor Control Module Unit A1729000302
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Part no. A6519005301-12
Mercedes W212 E220CDI OM651.924 Engine ECU Kit Key Lock Ignition A6519005301
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Part no. A1679000500
Mercedes W177 W247 Driver's Seat Heating Control Unit Module ECU A1679000500
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Part no. A2115407545
Mercedes W211 Central Gateway Control Unit Module Relay ECU A2115407545
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Part no. A0355451532
Mercedes W211 Gearbox Module Transmission Control Unit A0355451532
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Part no. A2115457332
Mercedes W211 PDC Parking Sensor Module Control Unit A2115457332
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Part no. A2469000709
Mercedes W246 Air Module Control Unit ECU Module A2469000709
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Part no. A6519007600-3
Mercedes W246 B180 CDI 651.901 109HP Engine ECU Kit A6519007600 Ignition + Key
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Part no. A2469000112
Radio Head Unit Mercedes C117 W176 W246 Navi CD Player Navigation A2469000112
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Part no. A2139008409
Seat Module Mercedes W213 C238 Memory Control Unit Left Right N/O/S A2139008409
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Part no. A2469008311
Mercedes W176 PDC Parking Distance Sensor Module Control Unit ECU A2469008311
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Part no. A0009069905
Mercedes W205 W213 Engine Alternator Generator M264 Petrol A0009067703
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Part no. A9062700060
Mercedes Sprinter W906 Mechatronic Automatic Gearbox Control Unit A9062700060
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Part no. A0024463140-3
Mercedes A160 W169 M266.920 Engine Control Unit ECU A0024463140 Automatic
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Part no. A0045467740
Mercedes W447 Drive Train Sensor Can Distributor A0045467740
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Part no. A2138203202
Mercedes W213 Bluetooth Module Multimedia Control Unit ECU A2138203202
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Part no. A1695405645
Mercedes W169 SAM Control Module Fuse Box Unit A1695405645
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Part no. A0009068106
Alternator Generator Mercedes W177 W247 M260 Petrol Engine 150A A0009068106
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Part no. A9079060100
Mercedes Sprinter W907 Battery Power Distributor Current Limiter A9079060100
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Part no. A4475406353
Mercedes Vito W447 Battery Cable Diesel OM651 Alternator Wiring A4475406353
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Part no. A4479009509
Mercedes W447 114CDI SAM Comfort Control Unit Module Box ECU A4479009509
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Part no. A2129004222-1
Mercedes W207 A207 SAM Control Unit Module Fuse Box Rear A2129004222
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Part no. A0028207989-1
Mercedes-Benz C CLK E S Class W210 Changer Player A0028207989
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Part no. A2079014300
Mercedes-Benz E-Class A207 W207 Convertible Air Module System Control Unit
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Part no. A6519002803-1
Mercedes Vito W447 114 CDI 136HP 651.950 Engine Unit ECU A6519002803 Automatic
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Part no. A4475404326-1
Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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Part no. A0009060922-1
Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
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Part no. A2711535491-1
Mercedes C209 CLK200 M271.955 184HP Engine ECU Kit Ignition A2711535491 Lock Key
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Part no. A1669003708
Mercedes W166 Hatch Tailgate Central Module Locking Control ECU A1669003708
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Part no. A0025428819-1
Mercedes W176 W246 Relay Current 4 Pin 12V Hella A0025428819 Set x2
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Part no. A2219008603
Mercedes W221 Door Control Module Unit ECU Front Right O/S A2219008603
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Part no. A1669007609
Mercedes ML W166 Door Control Module Unit ECU Front Right O/S A1669007609
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Part no. A6421509678-2
Mercedes W164 ML 280 CDI 642.940 190HP Engine Unit ECU Kit A6421509678 Key Lock
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Part no. A1645402401
Mercedes W164 Front Fuse Box SAM Relay Control Unit Module A1645402401
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Part no. A1669009808
Mercedes ML W166 Head Unit Radio Player Sat Nav Tel SD Card Unit A1669009808
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Part no. A2219004003
Steering Wheel Angle Mercedes C216 W221 Sensor Control Unit Module A2219004003
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Part no. A0009062100
Mercedes W212 Engine Alternator Generator A0009062100
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Part no. A6519002803
Mercedes W251 R320 CDI OM642 4Matic Engine Unit ECU KIT A6519002803 Key Lock
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Part no. A2229001912
Mercedes W205 C253 Door Module Rear Left N/S Control Unit ECU A2229001912
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Part no. A2229058804
Switch Sensor Cable Mercedes W205 W212 Rear Bumper Module A2229058804
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Part no. A1718203126
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Part no. A1408205126
Mercedes W140 Electric Seat Adjustment Control Unit Module ECU A1408205126
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Part no. A0185459132
Mercedes W140 ABS Control Unit ASR + PML Module ECU A0185459132
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Part no. A1408201426
Mercedes W140 Seat Memory Control Unit Module Front Left N/S A1408201426
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Part no. A0038208286
Mercedes W140 Head Unit Radio Player Control Module Becker A0038208286
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Part no. A1408201526
Mercedes W140 Seat Heated Heating Control Unit Module ECU A1408201526
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Part no. A2711541402-1
Alternator Generator Mercedes W203 W204 M271 Engine Valeo 120A 14V A2711541402
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Part no. A1408202526
Mercedes C140 Seat Belt Module Control Unit ECU A1408202526
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Part no. A0015427419
Mercedes C140 W210 Multifunctional Purpose Relay Fuse Unit Module A0015427419
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Part no. A1405420732
Mercedes C140 Headlight Module Ballast Relay Control Unit LCM A1405420732
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Part no. A0185458332
Mercedes C140 Body Control Comfort Unit Module BCM Unit ECU A0185458332
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Part no. A0165459632
Mercedes C140 W202 Engine Cooling Radiator Fan Control Unit Module A0165459632
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Part no. A0175450632
Mercedes C140 Gearbox Module Transmission Basic Control Unit A0175450632
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Part no. A1405400282
Mercedes C140 Fuse Box Relay Cover Lid Control Unit Bracket Trim A1405400282
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Part no. A1408206026
Mercedes C140 Comfort Convenience Control Module Unit ECU A1408206026
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Part no. A1406934633
Mercedes C140 Battery Box Boot Storage Cover A1406934633
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Part no. A2315401050
Mercedes SL63 R231 Roadster Fuse Box Passenger Footwell Fuse Box A2315401050
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Part no. A1669005517
Mercedes W207 Telematic Communication Control Unit Module A1669005517
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Part no. A2189000104
Mercedes CLS X218 Parktronic PDC Parking Assist Control Module A2189000104
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Part no. A2189008903
Mercedes X218 CLS350 Airmatic Suspension Self Leveling Module A2189008903
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Part no. A0009063322-1
Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
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Part no. A2049007408-1
Mercedes W204 Display Screen Information Navigation Dashboard A2049007408
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Part no. A0009053303
Radar Sensor Mercedes W204 C117 Rear Blind Spot Right left N/O/S A0009053303
Product currently unavailable
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 .