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. A2229006014
Mercedes S205 C205 SAM Module Rear Body Comfort Control Unit ECU A2229006014
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Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063202
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Automatic Closing Motor Mercedes S205 Estate X253 Trunk Lid A2059007218
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Mercedes W205 C205 BlueTec OM651.921 Engine Control Unit ECU Kit A6519000603 Key
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Mercedes W205 Adblue Module Exhaust Gas Control Unit ECU BlueTEC SCR A0009006706
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118707226
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
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Part no. A2035450701
Mercedes W203 Fuse Box Rear SAM Module Relay Control Unit A2035450701
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118701026
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Mercedes SLK R171 Roadster Soft Top Folding Roof Control Module A1718204926
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Part no. A6395450601
Mercedes Vito W639 SAM Module Electric Control Unit A6395450601
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Mercedes W167 W177 Radio Stereo Player Sat Nav Head Unit ECE A1679000511
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Seat Module Mercedes C238 Front Right Seat Control Unit A2139008409
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Mercedes W245 B200 CDI Blue Efficiency OM651.901 136HP ECU Kit A6519009402 Key
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Part no. A1775404307
Fuse Box Mercedes C118 W177 W247 Engine Compartment Relay Box Module A1775404307
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Part no. A2469009412-1
Radio Panel Mercedes W176 W242 W246 Radio Multimedia Switch Control A2469009412
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Part no. A2115455301
Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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Part no. A0009009209
Mercedes W205 C253 Diesel Adblue Module Control Unit ECU A0009009209
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Part no. A2469009412
Mercedes W176 Head Unit Radio Cd Player Bluetooth Multimedia A2469009412
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Part no. A2229000905
Mercedes W205 PDC Park Assist Control Module Ecu A2229000905
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Module Mercedes W205 Fuel Pump Control Module In Trunk Rear ECU A0009003505
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Part no. A2059006222
Mercedes W205 Head Radio CD Player Navi Interface Control Unit A2059006222
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Part no. A2049069701-2
Mercedes W204 Radio Stereo CD Player Audio Sat Nav Head Unit A2049069701
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Part no. A1645400701
Mercedes ML W164 Rear SAM Module Control Unit Fuse Box A1645400701
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Part no. A0009001808
Mercedes W205 Park Assist PDC Trunk Control Unit Module A0009001808
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Part no. A2059008618
Safety Module Mercedes W205 Airbag SRS Control Module Unit A2059008618
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Part no. A2711505533
Mercedes W204 Petrol Engine M271 Engine Wiring Harnes A2711505533
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Part no. A9068201589
Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9068201589
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Part no. A2118702889
Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889
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Part no. A2479061803
Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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Part no. A0009053011
Distance Radar Module Mercedes W177 W205 W253 Front Distronic Unit A0009053011
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Part no. A2721501433
Wiring Mercedes W203 W209 W211 M272 Engine Wiring Module Harness A2721501433
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Part no. A2721540102
Alternator Mercedes W211 Alternator Generator Bosch 14V 180A A2721540102
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Part no. A2469006710
Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469006710
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Part no. A6079002200-2
Mercedes W176 A180 CDI OM607 109HP BlueEFFICIENCY Engine Unit ECU A6079002200
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Part no. A2139005528
Mercedes W205 W213 Ignition Central Lock Control Unit Module ECU A2139005528
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Part no. A2059002141
Mercedes W205 Air Module Control Unit SRS ECU A2059002141
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Part no. A2059000441
Mercedes W205 Display Screen Multimedia Navigation Sat Head Unit A2059000441
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Part no. A2389053301
Tailgate Trunk Mercedes X117 X156 W205 Boot Rear Control Module Unit A2389053301
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Part no. A2229005613
Rear View Camera Module Mercedes W205 W222 W253 Control Unit A2229005613
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Part no. A2059008430
Head Unit Mercedes C205 Radio Player USB Sat Nav Harman A2059008430
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Part no. A2059002211
Display Mercedes C205 Dashboard Central Multimedia Car System Screen A2059002211
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Part no. A0355454232
Mercedes W211 Automatic Gearbox Transmission Module Control Unit ECU A0355454232
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Part no. A2115401805
Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805
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Part no. A2059004842-1
Mercedes W205 Display Screen Instrument Cluster Speedo Meter A2059004842
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Part no. A1679004811
Door Module Mercedes W205 Rear Right O/S Door Control Module A1679004811
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Part no. A0325453832
Module Mercedes W639 Automatic Transmission Control Module Unit A0325453832
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Part no. A1699000300-1
Door Module Mercedes W169 W245 Front Left N/S Control Unit A1699000300
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Part no. A1645402372
Mercedes W164 W251 Fuse Relay Module Rear Fuse Box Unit A1645402372
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Part no. A2123200358
Mercedes-Benz S W221 Valve Block Air Suspension Control Unit Module A2123200358
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Part no. A2829062400
Starter Mercedes W177 M282 Petrol Engine Starter Motor A2829062400
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Part no. A2059006337
Safety Module Mercedes S205 Airbag Belt Tensioner Control Module SRS A2059006337
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Part no. A2059007437
Sam Module Mercedes S205 Relay Fuse Box Rear Control Module In Trunk A2059007437
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Part no. A2219006404-1
Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
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Part no. A2465407732
Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407732
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Part no. A2139002422
Mercedes W213 Front Door Module Control Module Unit Right O/S A2139002422
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Wiring Harness Mercedes W221 OM642 Engine Wiring harness Loom A6421509089
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Part no. A7899823000
Mercedes EQA H243 Relay High Voltage Performance DC 250 A Contactor A7899823000
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Part no. A2059061905
Mercedes W205 Centre Console Lighting Wiring Harness Cable Loom A2059061905
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Mercedes W118 W177 W206 W247 Air Quality NOX Sensor A0009054807
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Part no. A6071500433
Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500433
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Part no. A2469008214
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469008214
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Part no. A0131541002-1
Mercedes Vito Viano W639 Alternator Generator Diesel 200A A0131541002
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Part no. A2709060700
Mercedes W176 Starter Motor 12V Bosch M270 Petrol Engine A2709060700
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Part no. A2129005200
Seat Module Mercedes W204 W212 Memory Control Unit Driver's Side A2129005200
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Part no. A2749000700
Mercedes W204 C180 BlueEFFICIENCY M274.910 156HP Engine Unit ECU A2749000700
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Part no. A2059007147
Mercedes C205 Control Body Comfort Module Unit ECU A2059007147
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Part no. A2229005118
Mercedes W205 Ambient Color Light Module ECU A2229005118
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Part no. A2059007143
SAM Module Mercedes W205 Trunk Rear SAM Control Module A2059007143
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Part no. A6461501077
Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461501077 Manual
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Part no. A0005400650
Mercedes Sprinter W901 W638 Fuse Box Relay Control Unit Module A0005400650
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Part no. A1779007403
Mercedes W177 Interior Ambiance Control Module ECU Unit A1779007403
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Part no. A2709002100
Mercedes W176 W246 A180 B180 BlueEFFICIENCY 270.910 122HP Engine ECU A2709002100
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Part no. A6461500977
Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461500977 Manual
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Part no. A6511502900
Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511502900
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Part no. A6461541102-1
Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Part no. A6461502720
Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6461501388
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Part no. A0025424419
Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0025424419
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Part no. A2469016002-1
Display Screen Mercedes W176 W246 Central Information Dashboard Dash A2469016002
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Part no. A6519007600-2
Mercedes W176 A200 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600
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Part no. A1775408609
Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408609
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Part no. A6511504633
Engine Wiring Mercedes W204 W212 OM651 Diesel Harness Loom Cable A6511504633
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Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049069801
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Mercedes-Benz A B W169 W245 Door Cable Harness Wiring Loom Front Left N/S
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Part no. A4479008006
Mercedes Vito W447 Door Module Front Right O/S Control Unit ECU A4479008006
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Mercedes SLK R171 Rain Sensor Front Windscreen Light A1718204026
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Mercedes W204 USB Port Cable Multimedia Interface Cable MI2-Ipod A0028272104
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Part no. A1775406500
Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
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Part no. A1695407205
Mercedes-Benz B W245 Parktronic Parking Sensor Wiring Cable Rear PDC A1695407205
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Part no. A6395450301-2
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. A4475407880
Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880
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Part no. A1715450701
Mercedes SLK R171 Rear SAM Control Unit Module Relay Fuse Box A1715450701
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Part no. A1775408220
Door Wiring Mercedes W177 W247 Front Passenger Side Cable Harness A1775408220
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Part no. A4475401755
Earth Ground Cable Mercedes Vito W447 Positive Battery Lead Wiring A4475401755
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Part no. A6519002600-3
Mercedes W906 313 CDI OM651.955 129HP Engine ECU Kit A6519002600 Key Lock Manual
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Part no. A1779061002-1
Mercedes W177 Fuse Box Power Distribution Junction Relay Unit A1779061002
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Part no. A1776204201
Mercedes C118 W177 W247 Battery Box Trim Housing Cover Support A1776204201
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Part no. A2075401550
Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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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 .