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. A2389008601
Communication Module Mercedes W177 W205 W213 X253 Hermes LTE Unit A2389008601
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Mercedes-Benz W169 W245 Door Module Front Left N/S Control Unit A1698208326
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Module Mercedes W177 W247 Instrument Cluster Control Module A2479001608
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Mercedes W213 Air Con Conditioning Module A/C Climate Control Unit A2139000407
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Battery Relay Mercedes W211 CLS W219 Module Control Unit 12V A0025426419
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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Bosch Starter A6519062400
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Mercedes Vito W639 OM646.980 111 CDI 116HP Engine ECU Module A6461500400 Manual
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Mercedes W168 W169 W245 Petrol Engine Starter Motor A0051512101
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Mercedes W246 Air Module Control Unit ECU Module A2469000709
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Wiring Harness Mercedes W221 OM642 Engine Wiring harness Loom A6421509089
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Mercedes W204 Radio Stereo CD Player Audio Sat Nav Head Unit A2049069701
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Wiring Harness Mercedes W246 M270 Petrol Engine Wiring Harness Loom A2701506733
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ESP Module Mercedes W210 Electronic Stability Program Control Unit A0275455632
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Mercedes Citan W415 109 CDI Fuse Box Module Unit 284B63788R
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Mercedes W164 ML320 4-Matic OM642.940 Diesel Engine Unit ECU Kit A6421509478 Key
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Mercedes W246 Front Bumper Parking Sensor PDC Wiring Harness A2465400703
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Mercedes-Benz A B E Class W169 W211 W245 Sensor Module ECU A0035420318
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Mercedes W176 W205 W212 Voltage Converter Power Distributor Plug A0009820412
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Mercedes-Benz W169 W245 A B 200 CDI Engine Control Unit Module ECU A6401507479
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Mercedes-Benz W210 Rear Left Right Door Interior Handle Pull Cable A2107600204
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Mercedes SLK R171 Control Unit Module DC UHI MOST A2118701885
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Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic
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Mercedes W204 Rain Light Solar Condensation Sensor Control Unit A2048703526
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Head Unit Mercedes W167 W177 Audio Stereo Radio Player Control Unit A1679001414
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Mercedes W204 PDC Sensor Wiring Loom Harness Front Bumper A2044400035
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Mercedes W212 Front Seat Headrest Display Screen Monitor Unit A2128205404
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Mercedes W205 X253 Distronic Radar Sensor Cruise Control Unit Module A0009005109
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Part no. A2118701085
Mercedes R171 Navigation Processor Multimedia Control Module Unit A2118701085
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Part no. A1645403706
Wiring Mercedes X164 Dashboard Lower Control Panels Switch Harness A1645403706
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Part no. A1715451301
Mercedes R171 Fuse Box Control Unit SAM Module Relay A1715451301
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Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Part no. A2711500391-7
Mercedes W204 C180 Engine Unit BlueEFFICIENCY 271.820 156HP ECU A2711500391
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Mercedes W221 Antenna Amplifier Control Unit Module A2218208089
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Mercedes W177 W213 Engine Wiring Harness Loom E220d Diesel A6541500800
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Part no. A6519009302-5
Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6519009302 Key Manual
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Ignition Switch Mercedes C238 Electronic Anti Theft Control Module A2139005023
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Part no. A2749000800-4
Mercedes W205 C200 274.920 184HP Engine Control Unit ECU A2749000800 Manual
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Mercedes GLA X156 Comunication Module Telematic Bluetooth Control A2229001821
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Part no. A2035402206
Mercedes W203 Diesel Engine Starter Alternator Electrical Cable A2035402206
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Part no. A0045450201
Mercedes Sprinter W906 Fuse Prefuse Box Relay Electrical Unit A0045450201
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Part no. A6394408537
Mercedes W639 Front Bumper PDC Wiring Parking Sensor Loom Harness A6394408537
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Mercedes W221 Gateway Control Unit Module ECU A2215408845
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Mercedes-Benz W202 W208 W210 ESP + BAS Control Unit Module ECU A0315450732
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Mercedes S212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129001606
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Mercedes C219 CLS 320 642.920 224HP Engine Unit ECU Kit A6421503972 Key Lock
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Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098202689
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Mercedes C118 CLA200 282.914 163HP Petrol ECU Kit A2829003300 Key BCM Automatic
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Engine Wiring Harness Mercedes W203 W211 M271 Loom Wiring Cable A2711502433
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Part no. A6429004701
Mercedes C292 GLE 350d 4-Matic OM642.826 Engine Control Unit ECU A6429004701
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Part no. A2829003200-1
Mercedes W177 A200 M282.914 163HP Engine Control Unit Module ECU A2829003200
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Part no. A2711502933
Engine Wiring Harness Mercedes R171 W203 C209 M271 Loom Cable A2711502933
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Part no. A9062700060
Mercedes Sprinter W906 Mechatronic Automatic Gearbox Control Unit A9062700060
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Front Fuse Box Mercedes W204 S204 Relay Control Unit SAM Module A2129006824
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Part no. A2118701126
Mercedes W211 Front Drivers Door Left N/S Control Module A2118701126
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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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Mercedes ML W164 GL X164 Fuse Box Cover Trim Panel Cap A1645400182
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Part no. A6519064800
Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
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Part no. A0009067900
Alternator Mercedes W204 W212 Diesel Engine OM651 Valeo 180A A0009067900
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Part no. A1698207126
Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698207126
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Mercedes C207 Coupe Module Rear Window Regulator Lifter Control Unit A2079003600
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Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit
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Part no. 8200308271
Fuse Pink Mercedes W415 Citroen Renault Kangoo Trafic Relay 4-Pin 8200308271
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129005212
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Mercedes-Benz ML W163 Parktronic Parking Control Unit Module A1635457432
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Part no. A4475406353
Mercedes Vito W447 Battery Cable Diesel OM651 Alternator Wiring A4475406353
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Part no. A2129003702
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003702
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Part no. A9069006001
CD Radio Mercedes W639 W906 Audio Stereo Head Unit A9069006001
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Part no. A1698204185
Mercedes A B Class W169 W245 Airbag System Control Unit Module ECU A1698204185
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Part no. A6519003203-3
Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519003203 Manual
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Part no. A9069006701
Mercedes Sprinter W906 SAM Module Fuse Box Relay Control Unit A9069006701
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Part no. A9079007404
Mercedes Sprinter W907 W910 Body Control Module ECU A9079007404
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Part no. A2669000200-2
Mercedes W169 A180 266.940 Engine Control ECU Kit A2669000200 Key Lock Automatic
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Part no. A2215403862
Mercedes W221 Fuse Box SAM Module Control Unit Module ECU A2215403862
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Mercedes W164 OM629 Diesel Engine Motor Wiring Loom Cable Harness A6291501933
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Mercedes GLE W166 Wiring Harness Automatic Gearbox Cable Loom A1664403436
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451701
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Part no. A1645400072
Mercedes ML W164 Front Fuse Box SAM Relay Control Unit Module A1645400072
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Part no. A0009060803
Alternator Mercedes W176 C117 X156 X117 Petrol Engine Generator A0009060803
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Part no. A1699001600
Mercedes-Benz W169 W245 48V Technology SAM Control Module Fuse Box A1699001600
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Part no. A0009062609
Mercedes C118 W177 W247 Three Phase Alternator A0009062609
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Part no. A6511502620
Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511502620
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Mercedes W212 E220CDI OM651.924 Engine Unit Module ECU A6519007500 Automatic
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Mercedes W470 Diesel Engine Starter Motor A4709060300
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Mercedes SLK R172 Airbag Module SRS Control Unit ECU A1729015805
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Mercedes X156 GLA250 270.910 122HP Engine Control Unit Module ECU A2709000900
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Ground Line Mercedes W221 Wiring Battery Starter Alternator Cable A2215409032
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Mercedes W211 W220 Crash Sensor Left Right N/O/S A0025426918
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Mercedes ML W164 PDC Module Parking Distance Control Unit Sensor A1645450216
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Antenna Wiring Mercedes W211 Rear End Antenna Wiring Harnes A2114409906
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Part no. A1729006613
Mercedes SLK R172 GPS Navigation System Screen Display A1729006613
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Part no. A6519007103-2
Mercedes Sprinter W907 311 CDI 651.958 114HP Engine Control Unit ECU A6519007103
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Part no. A2218700326
Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218700326
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Part no. A1635459032
Mercedes ML W163 Body Control Module Unit BCM ECU A1635459032
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Part no. A0009001700
Mercedes Vito W639 Automatic Gearbox EGS53 Control Unit Module ECU A0009001700
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Part no. A1779007616
Mercedes C118 W177 W247 Front Door Module Control Unit Right O/S A1779007616
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Part no. A9069001002
Mercedes Sprinter W906 Parking Control Unit Module Sensor PDC A9069001002
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Part no. A6399000800
Mercedes Vito W639 Fuse Box Relay Control Unit Front SAM Module A6399000800
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Part no. A2165402545
Mercedes C216 W221 Distronic Radar Sensor Control Unit Module A2165402545
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Part no. A1685453340
Mercedes-Benz A-Class W168 Fuse Box Unit Holder Bracket Frame A1685453340
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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 .