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. A0008206926
Acceleration Sensor Mercedes S124 R129 Front Seat Belt Locking Retractor Module
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Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724
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Mercedes GLA X156 Tailgate Lift Boot Lid Control Unit Module A2469003615
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Mercedes Vito W639 Air Module System Control Unit A6394460442
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Battery Wiring Mercedes ML W166 Battery Negative Terminal Cable Wire A1665420518
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Mercedes W205 W213 W238 Fuse Box Cover Control Unit Holder Bracket A2135400200
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Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901
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Mercedes W238 Coupe Convertible Module Control Unit ECU A2059001336
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Crash Impact Sensor Mercedes C118 W177 W205 W247 Acceleration Unit A0009057802
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Mercedes W204 Front Seat Air Module Wiring Cable Front Right A2045408735
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Mercedes SLK R171 Roof Module Convertible Folding Top Control Unit A1719000000
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Mercedes-Benz B-Class W245 Central Gateway Control Unit Module ECU A1695403945
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Fuse Box Mercedes Sprinter W901 W902 W903 W904 Relay Control Unit A0005400950
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Mercedes W221 S500 Audio Amplifier Sound System Control Module A2218205289
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Mercedes W211 CLS C219 Body Control Module BCM Temic A2115458432
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Mercedes W204 C207 Rain Sensor Light Control Unit Front Windscreen A2078203426
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Part no. A2719000600
Mercedes W203 C180 Kompressor M271.946 Engine Control Unit ECU A2719000600
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Mercedes W213 Bonnet Hood Crash Actuator Unit Left Right N/O/S A2139062201
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Camera Module Bracket Mercedes W213 S213 Rear Housing Left N/S A2135451540
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Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401830
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Part no. A2115409910
Mercedes W211 Multimedia Wiring Loom Electrical Harness Cable A2115409910
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Part no. A9065403527
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Part no. A1698202675-1
Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698202675
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Part no. A2045450369
Mercedes S204 Fuse Box Terminal Connection Unit A2045450369
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Part no. A6519009402
Mercedes W245 B200 CDI Blue Efficiency OM651.901 Engine Unit ECU A6519009402
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Radio CD Player Mercedes W211 CLS C219 COMAND Navigation Head Unit A2118204497
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SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035451701
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Battery Cover Mercedes W204 W207 Trim Lid Panel A2048982614
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Part no. A0009058104
Radar Unit Mercedes W176 W205 W246 GLC C253 Front Bumper Sensor A0009058104
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Part no. A1679052401
Crash Impact Sensor Mercedes C118 W177 W247 Front Acceleration Unit A1679052401
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Part no. A4478200035
Microphone Mercedes W447 W907 W910 Hands-free Interior Mic Unit A4478200035
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Wiring Mercedes A209 Rear Trunk Lid Wiring Harness A2094400705
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Part no. A1665420318
Battery Cable Mercedes W169 W211 Negative Lead Wiring Pole Harness A1665420318
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Part no. A2711534691
Mercedes W203 C200 Kompressor M271.940 163HP Engine ECU A2711534691 Automatic
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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. A1699010100-1
Fuse Box Mercedes W169 W245 Sam Control Module Unit ECU A1699010100
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Part no. A1248205926
Mercedes W124 S124 Central Lock Control Unit Module A1248205926
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Part no. A4479007706
Mercedes W447 Door Control Module Front Left N/S A4479007706
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Part no. A1408202526
Mercedes C140 Seat Belt Module Control Unit ECU A1408202526
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Part no. A2721501433
Wiring Mercedes W203 W209 W211 M272 Engine Wiring Module Harness A2721501433
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Part no. A2649001000
Mercedes W205 Petrol Engine Alternator Electrical Cable A2649001000
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Mercedes W221 Seat Memory Control Unit Module Front Right O/S A2218705087
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Mercedes W205 Ignition Control Unit A2139001223
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Part no. A2135401115
Fuse Box Mercedes W205 W213 GLC X253 Hybrid Power Distribution Unit A2135401115
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Part no. A2218230050-1
Mercedes W221 Centre Console Telephone Keypad Control Unit Module A2218230050
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Part no. A2049007408-1
Mercedes W204 Display Screen Information Navigation Dashboard A2049007408
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Part no. A1695420018-PLS
Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Polar Silver 761
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Part no. A1649007000
Mercedes V251 SAM Body Control Module Rear Unit A1649007000
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Part no. A2129000004-2
SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129000004
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Part no. A0009006616
Rear Module Mercedes C238 PDC Parking Assistant Parktronic Control A0009006616
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Part no. A2035453201
Mercedes-Benz C CLK W203 C209 Sam Control Module Fuse Box Rear A2035453201
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Mercedes W169 200CDI OM640.941 140 HP Engine Module ECU Kit A6401502579 Key Lock
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Part no. 280380655R
Renault Trafic II Control Unit Sat Nav Navigation Module Unit 280380655R
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Part no. A6131530379
Mercedes-Benz W210 E 320 CDI Diesel Engine Control Unit Module ECU A6131530379
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Part no. A0009062100
Mercedes W212 Engine Alternator Generator A0009062100
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Part no. A1695406805
Mercedes-Benz W245 Front Bumper Parking Sensor Parktronic Wiring Cable Harness
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Part no. A2118210097
Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097
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Part no. A2515454132
Mercedes W164 W251 Air Suspension Level Control Unit Module Airmatic A2515454132
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Part no. A2139006227
Gearbox Module Mercedes W205 W213 GLC X253 Control ECU Automatic A2139006227
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Mercedes-Benz C-Class W204 Battery Negative Earth Cable Wiring A2049820202
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Part no. A1669006120
Mercedes ML W166 GLE C292 SAM Module Control Unit ECU A1669006120
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Part no. A2035453501
SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035453501
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Part no. A0195453132
Mercedes SLK R170 W202 W208 ESP Control Unit ABS ASR Module ECU A0195453132
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Part no. A2389000401
Mercedes C238 E53 Coupe Window Lifter Comfort Module Unit Rear A2389000401
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Part no. A6395450003
Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
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Part no. A2055402992
Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055402992
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Part no. A2469009412
Mercedes W176 Head Unit Radio Cd Player Bluetooth Multimedia A2469009412
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Part no. A2469067200
Fuse Box Mercedes CLA C117 X156 W176 W246 Relay Unit A2469067200
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Part no. lhd-A2215400224
Mercedes W221 S500 OM273 Fuse Relay Box Module Housing Cover A2215400224
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Part no. A2038206489
Mercedes W203 Aerial Antenna Amplifier Module Unit A2038206489
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Part no. A2479005807
Mercedes V177 Seat Control Module CSMM Front Right O/S A2479005807
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Part no. A1645450201
Fuse Box Mercedes ML W164 W251 OM642 Diesel Relay Module Unit A1645450201
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Part no. A2049060405
Mercedes W204 Front Fuse Board Box Relay Unit Case A2049060405
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Part no. A2139004409
Mercedes W213 Door Module Front Right O/S Control Unit A2139004409
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Part no. A2469008311
Mercedes W176 PDC Parking Distance Sensor Module Control Unit ECU A2469008311
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Part no. A0061510601
Mercedes W164 M113 Petrol Engine Starter Motor A0061510601
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Part no. A1698207589
Mercedes W169 W245 CD Player Radio Audio Head Unit A1698207589
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Part no. A2129068800-1
Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Control Unit A2129068800
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Part no. A6519007500-8
Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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Part no. A1695450003
Mercedes W169 Fuse Box Cover Trim Panel A1695450003
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ECU Mercedes W124 E280 M103.940 Engine Control Unit Automatic Jetronic
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Mercedes W164 Central Gateway Control Unit Module A1645405662
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Mercedes W210 E240 112.911 170HP Engine ECU Kit A0265456532 Automatic Key Lock
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Mercedes W205 C300 OM264.920 Engine Control Module ECU A2649000700 Automatic
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Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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Mercedes W221 Anti Theft Roof Alarm Ultrasonic Motion Sensor Unit A2218207510
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Mercedes W221 Cover Fuse Box Case Trim Panel Lid A2215401682
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Mercedes SLK R172 Rear SAM Fuse Relay Box Control Unit Module A1729060205
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Part no. A2711540802-1
Mercedes W203 W211 C209 M271 Petrol Engine Alternator A2711540802
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Part no. A1719010100
Mercedes SLK R171 Heated Heating Seat Control Unit Module A1718201626
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Part no. A1645402972
Mercedes W164 Fuse Box Holder A1645402972
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Part no. A2469008819
Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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Part no. A2059000828
Door Module Mercedes GLC X253 Rear Door Left Control Module A2059000828
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Part no. A6511500126-1
Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Kit A6511500126 Key
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Part no. A9075400186
Mercedes Sprinter W907 Battery Cable Alternator Wiring Loom Harness A9075400186
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Part no. A1698206726
Mercedes-Benz W245 ECU Control Unit Sensor Module Airbag A1698206726
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Part no. A4479007806
Mercedes W447 Door Control Unit Front Right O/S A4479007806
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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 .