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. A0009059300
Mercedes W205 W212 W246 Parking Distance Sensor Parktronic White A0009059300
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Part no. A1699010100-2
Fuse Box Mercedes W169 W245 SAM Body Control Module Unit ECU A1699010100
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Part no. A2129004500
Mercedes C207 W212 Fuse Box Relay Control Unit SAM Module A2129004500
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Part no. A2115407907
Mercedes-Benz E-Class W211 Battery Positive Cable Wiring A2115407907
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Part no. A0009001900
Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0009001900
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Part no. A0015429018
Yaw Sensor Mercedes W210 W220 ESP Rotation Rate Control Unit Module A0015429018
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Part no. A6461500091-2
Mercedes W203 C220 CDI 646.963 150HP Engine ECU Kit A6461500091 + Key + Lock
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Part no. A2539006905
Mercedes GLC X253 Central Display Dashboard Infotainment Screen A2539006905
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Part no. A9065450003-1
Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
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Part no. A1715451301
Mercedes R171 Fuse Box Control Unit SAM Module Relay A1715451301
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Part no. A0055422118
Yaw Sensor Mercedes R171 W203 W209 ESP Rotation Rate Unit Module A0055422118
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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. A0009009209
Mercedes W205 C253 Diesel Adblue Module Control Unit ECU A0009009209
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Part no. A2125406462
Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
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Part no. A1725400950
Mercedes SLK R172 Relay Fuse Box Control Unit A1725400950
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Part no. A2038707089
Mercedes W203 Aerial Antenna Amplifier Module Unit A2038707089
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Part no. A2049067702
Mercedes W204 Fuse Box Rear SAM Module Electrical Fuse Unit A2049067702
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Part no. A1695400762
Parking Module Mercedes W169 W245 PDC Distance Control Unit Sensor A1695400762
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Part no. A2049007202
Mercedes W204 Navigation Radio CD Player Head Unit A2049007202
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Part no. A1779061002-1
Mercedes W177 Fuse Box Power Distribution Junction Relay Unit A1779061002
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Part no. A1635400534
Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635400534
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Part no. A1698204789
Mercedes-Benz W169 W245 CD Player Radio Audio Head Unit A1698204789
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Part no. A2095451101
Fuse Box Mercedes W203 W209 Front Relay Control Unit Module SAM A2095451101
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Part no. A2711502733
Wiring Harness Mercedes W203 M271 Kompressor Petrol Engine Camshaft A2711502733
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Part no. A0305454632
Mercedes-Benz M-Class ML W163 Gearbox Transmission Control Unit ECU A0305454632
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Part no. A0005429523
Mercedes-Benz C CLK W202 W208 Left N/S Parking System Warning Display Screen
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Part no. A2129006514
Mercedes W212 Air Suspension Control Unit Module ECU A2129006514
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Part no. A2035454901-1
Mercedes CL203 Fuse Box Control Unit Module SAM A2035454901
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Part no. A2129009328
Door Module Mercedes W204 W212 Front Right O/S Control Unit A2129009328
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Part no. A0009015303
Fuel Pump Control Mercedes C118 C167 W177 W247 Module ECU Receiver A0009008214
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Part no. A0009052804
Radar Sensor Mercedes W176 W207 W246 Front Control Unit Module A0009052804
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Part no. A2055402224
Mercedes S205 X253 Center Console Wiring Loom Electrical Harness A2055402224
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Part no. A1718204126
Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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Part no. A2049005908-1
Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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Part no. A0155429317
Speed Sensor Mercedes Sprinter W906 Impuls Control Unit Module A0155429317
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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. A2218700326
Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218700326
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Part no. A2215408845
Mercedes W221 Gateway Control Unit Module ECU A2215408845
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Part no. A0018276804
Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804
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Part no. A2749060400
Mercedes W204 W212 C207 M274 OM651 Starter Motor Engine Starter A2749060400
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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. A1695407205
Mercedes-Benz B W245 Parktronic Parking Sensor Wiring Cable Rear PDC A1695407205
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Part no. A2035401335
Mercedes W203 W211 Diesel Engine Starter Cable Wiring A2035401335
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Part no. A2129001327
Door Module Mercedes W204 W212 Rear Right O/S Control Unit Module A2129001327
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Part no. A1665420318
Battery Cable Mercedes W169 W211 Negative Lead Wiring Pole Harness A1665420318
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Part no. A6461541102-3
Alternator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Part no. A0015455716
Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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Part no. A2038201786
Mercedes-Benz C-Class W203 CD Player Audio Stereo Radio Head Unit A2038201786
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Part no. A2219009202
Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202
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Part no. A2079053300
Mercedes-Benz W207 Cabrio A207 Rear Left N/S Radio Aerial Antenna Amplifier
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Part no. A9065403527-1
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Part no. A2479006804
Mercedes W205 Multi-Purpose Windscreen Camera Control Unit Module A2479006804
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Part no. A2721540002
Alternator Generator Mercedes R171 W209 M272 Petrol Engine 150A A2721540002
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Part no. A0018276604
Mercedes W207 Connection Media Interface Cable AUX Wire A0018276604
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Part no. A2229058804
Switch Sensor Cable Mercedes W205 W212 Rear Bumper Module A2229058804
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Part no. A2219006303
Mercedes W221 Radio Multimedia Head Unit A2219006303
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Part no. A2124400613
Wiring Harness Mercedes W212 Dashboard Dash Wiring Cable A2124400613
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Part no. A0245458432
Mercedes W210 Petrol M112 Automatic Transmission Control Module A0245458432
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Part no. A2215409032
Ground Line Mercedes W221 Wiring Battery Starter Alternator Cable A2215409032
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Part no. A2038206489
Mercedes W203 Aerial Antenna Amplifier Module Unit A2038206489
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Part no. A2059001336
Mercedes W238 Coupe Convertible Module Control Unit ECU A2059001336
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Part no. A1699004800-1
Mercedes W169 W245 SAM Control Module ECU Fuse Box A1699004800
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Part no. A1729060205-1
Mercedes SLK R172 Rear SAM Fuse Relay Box Control Unit Module A1729060205
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Part no. A9068200286
CD Radio Mercedes Vito W639 Sprinter W906 Audio Stereo Head Unit A9068200286
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Part no. A6429002900-9
Mercedes W164 ML350 CDI OM642.820 231HP Engine Control Unit ECU A6429002900
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Part no. A1121535479
Mercedes W203 C240 M112.912 170HP Engine Control Module Unit ECU A1121535479
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Part no. A2135403038
Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038
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Part no. A6395450232
Mercedes Vito W639 PDC Parking Distance Control Unit Module ECU A6395450232
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Part no. A2049060205-3
Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Part no. A2139009722
Mercedes W213 SAM Body ECU Control Module Unit A2139009722
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Part no. A0061516001
Mercedes R171 W204 W212 Starter Motor Bosch M272 Engine Petrol A0061516001
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Part no. A1718204926
Mercedes SLK R171 Roadster Soft Top Folding Roof Control Module A1718204926
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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. A0009007907
Mercedes W205 GLC X253 Front Radar Sensor Module Control Unit A0009007907
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Part no. A6511502620
Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511502620
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Part no. A0009063822-1
Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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Part no. A0005429223
Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
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Part no. A2469069600
Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
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Part no. A0009822523
Mercedes W156 W242 W246 W447 Relay 4-Pin Black Hella A0009822523
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Part no. A1645401730
Mercedes W164 Battery Starter Alternator Wiring Harness Cable OM642 A1645401730
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Part no. A1679001320
Ignition Module Mercedes V177 Electronic Ignition Switch Keyless Control Unit
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Part no. A6229000500-1
Mercedes W447 109CDI BE OM622.951 Engine Control Module ECU Kit A6229000500
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Part no. A2661531491
Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU A2661531491 Automatic
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Part no. A0009006318
PDC Module Mercedes W205 W213 W247 Parking Assistant Parktronic Unit A0009006318
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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. A2118205785
Mercedes W211 S211 Airbag System Control Unit Module ECU
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Part no. A9065460643
Mercedes Sprinter W906 Fuse Box Relay Bracket Monunt Holder A9065460643
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Part no. A2139052109
MercedesW213 Rear Tailgate Boot Control Module Unit A2139052109
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Part no. A1699002100
Mercedes W245 Head Unit Radio CD Media Player Telephone Unit A1699002100
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Part no. A6549001400
Mercedes W213 E220 CDI OM654.920 Engine Control Unit ECU A6549001400 Automatic
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Part no. A0009002126
AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126
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Part no. A1725408705
Mercedes R172 Electrical Wiring Harness Cable Window Regulator A1725408705
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Part no. A2215403862
Mercedes W221 Fuse Box SAM Module Control Unit Module ECU A2215403862
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Part no. A0009053303
Radar Sensor Mercedes W204 C117 Rear Blind Spot Right left N/O/S A0009053303
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Part no. A2469007018
Mercedes W176 W246 Display Screen Radio Navigation Sat Nav Unit A2469007018
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Part no. A0009051302
Mercedes W166 W176 W246 Radar Sensor Front Control Unit Module A0009051302
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Part no. A0061510601
Mercedes W164 M113 Petrol Engine Starter Motor A0061510601
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Part no. A2515450316
Mercedes W251 W211 Air Suspension Control Module Unit ECU A2515450316
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Part no. A0009007306
Mercedes W176 W204 W207 W212 W246 Fuel Pump Module Control Unit ECU A0009007306
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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 .