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. A2045450169
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2045450169
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Part no. A0009006713
PDC Module Mercedes W176 W246 Parking Assist Distance Control Unit A0009006713
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Part no. A2035406609
Mercedes CLC CL203 Trunk Lid Tailgate Left N/S Wiring Cable Harness A2035406609
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Part no. A2035454101
Mercedes W203 Front SAM Control Unit Module Fuse Box A2035454101
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Part no. A1669004102
Mercedes W176 W246 Door Front Left N/S Control Unit Module ECU A1669004102
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Part no. A1718203926
Mercedes A B Class W169 W245 Rain Light Sensor Control Unit Module A1718203926
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Part no. A0045420418
Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A0045420418
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Part no. A2098202126
Mercedes C209 Door Control Module Front Left N/S A2098201926
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Part no. A1695405645-1
Mercedes W169 SAM Module Control Fuse Box Unit A1695405645
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Part no. A9060034099
Mercedes-Benz Sprinter W906 Front Right O/S Door Wiring Loom Harness A9060005999
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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. A2711500391-1
Mercedes W212 E200 BlueEFFICIENCY M271.860 184HP Engine ECU A2711500391
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Part no. A2129000004
SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129000004
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Part no. A2469052403
Mercedes W156 W176 Battery Cable Negative Lead Terminal Harness A2469052403
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Part no. A6511503233
Engine Wiring Mercedes W204 OM651 Diesel Harness Loom DDE A6511503233
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Part no. A0009102675
Mercedes W204 Seat Loom Cable Multicontour Pump Control Front A0009102675
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Part no. A9069006701
Mercedes Sprinter W906 SAM Module Fuse Box Relay Control Unit A9069006701
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Part no. A1679001014
Mercedes V177 Head Unit Media Player Audio Radio Controller A1679001014
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Part no. A1179008600
Airbag Module Mercedes w176 Air Bag SRS Control Unit ECU A1179008600
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Part no. A2048208185
Rain Sensor Mercedes W204 Light Solar Condensation Control Unit A2048208185
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Part no. A2048204697
Mercedes W204 Dashboard Dash Navigation Central Display Screen Monitor
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Part no. A2045405709
Mercedes W204 Dashboard Dash Navigation Central Display Wiring Cable A2045405709
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Part no. A2469001317
Mercedes-Benz A B W176 W246 160 180 CDI Transmission Control Unit Module ECU
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Part no. A2124400314
Mercedes W164 W204 Fuel Pump Module Control Unit ECU A2124400314
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Part no. A0025450801
Fuse Holder Mercedes W169 W245 W906 Electrical Fuse Box Bracket A0025450801
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Part no. A0009007306
Mercedes W176 W204 W207 W212 W246 Fuel Pump Module Control Unit ECU A0009007306
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Part no. A2118702489
Audio Amplifier Mercedes W211 Audio Gateway Control Unit Module A2118702489
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Part no. A2045458132
Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
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Part no. A1698207126
Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698207126
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Part no. A0009006318
PDC Module Mercedes W205 W213 W247 Parking Assistant Parktronic Unit A0009006318
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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. A2129005912
Mercedes W204 Fuse Box Relay SAM Control Unit Module A2129005912
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Part no. A2208703589
Navigation Player Mercedes W211 W219 DVD CD Reader Control Unit A2208703589
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Part no. A0009063903
Alternator Generator Mercedes W205 W213 Diesel Engine Valeo 200A A0009063903
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Part no. A2385406926
Mercedes W213 OM654 Battery Cable Starter Alternator Wiring Harness A2385406926
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Part no. A6549061400
Starter Motor Mercedes W213 S213 W238 OM654 Diesel Engine Actuator A6549061400
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Part no. A2126280041
Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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Part no. A6402002770
Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
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Part no. A2139004409
Mercedes W213 Door Module Front Right O/S Control Unit A2139004409
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Part no. A2139005009
Mercedes W213 Door Module Rear Right O/S Control Unit A2139005009
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Part no. A2139004709
Mercedes W213 Door Module Rear Left N/S Control Unit A2139004709
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Part no. A1695450632
Mercedes W169 PDC Parking Distance Control Unit Module Rear A1695450632
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Part no. A2469017000
Mercedes W176 Windscreen Rain Sensor Unit Module A2469017000
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Part no. A2661530391-1
Mercedes W169 W245 A150 B150 M266.920 95HP Engine ECU Kit A2661530391 Key Lock
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Part no. A2049012604
Mercedes W204 Parking Control Unit Module ECU A2049012604
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Part no. B6 787 5877
Mercedes-Benz C-Class W204 Bluetooth Hands-free Mobile Phone Adapter B6 787 5877
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Part no. A2118702726
Mercedes C E Class W203 W211 Bluetooth Control Unit Module ECU A2118702726
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Part no. A2219007601
Mercedes W221 Front Door Module Right O/S Control Unit ECU A2219007601
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Part no. A2219007401
Door Module Mercedes W221 Front Right O/S Control Unit A2219007401
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Part no. A2048703526
Mercedes W204 Rain Light Solar Condensation Sensor Control Unit A2048703526
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Part no. A0045429218
YAW Rate Sensor Mercedes W203 W209 R171 Accelerator Speed Module A0045429218
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Part no. A2139068601
Mercedes W205 W213 Actuator Drive Exhaust Flap Control Unit A2139068601
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Part no. A6519005301-4
Mercedes W204 C220CDI 651.911 170HP Engine ECU Kit Key Lock A6519005301
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Part no. A2048704426
Door Module Mercedes W204 S204 Front Right O/S Control Unit A2048704426
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Part no. A2229008911
Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911
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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. A1699010100-2
Fuse Box Mercedes W169 W245 SAM Body Control Module Unit ECU A1699010100
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Part no. A2135451540
Camera Module Bracket Mercedes W213 S213 Rear Housing Left N/S A2135451540
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Part no. A2056200018
Battery Box Bracket Mercedes W205 W213 W238 Trim Holder Right O/S A2056200018
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Part no. A2058200526
Mercedes W213 S213 Multimedia USB SD Card Reader Port Socket Module A2058200526
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Part no. A2135406303
Mercedes W213 PDC Parking Sensor Wiring Loom Cable Rear Bumper A2135406303
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Part no. A2139000407
Mercedes W213 Air Con Conditioning Module A/C Climate Control Unit A2139000407
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Part no. A1695400606
Mercedes-Benz A W169 Parktronic Parking Sensor Wiring Cable Rear PDC A1695400606
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Part no. A2139002501
Mercedes W213 OM654.920 Automatic Transmission Control Unit Module A2139002501
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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. A2038201585-1
Mercedes W203 Door Module Control Unit Front Left N/S A2038201585
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Part no. A2139062201
Mercedes W213 Bonnet Hood Crash Actuator Unit Left Right N/O/S A2139062201
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Part no. A1698700289
Mercedes-Benz A-Class W169 CD Player Radio Stereo Head Unit A1698700289
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Part no. A1669005605
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005605
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Part no. A0028201326
Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0028201326
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Part no. A1669056001
Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
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Part no. A2465402150
Mercedes-Benz A B Class W176 W246 Diesel Fuse Box Relay Unit A2465402150
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Part no. A0045428718
Mercedes-Benz C E W203 W211 Parking Sensor Wiring Loom Cable Harness Front PDC
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Part no. A2469002603
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Part no. A1179009101
Mercedes-Benz A-Class W176 CLA C117 Rear View Camera Control Module Unit ECU
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Part no. A0009006207
Mercedes-Benz A B E W176 W212 W246 Fuel Pump Module Control Unit A0009006207
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Part no. A1669001420
Display Screen Mercedes CLA C117 ML W166 Head Unit Sat Navigation A1669001420
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Part no. A2038704589
Mercedes W203 CD Media Player Radio Audio 20 Phone Head Unit A2038704589
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Part no. A2048705490
Mercedes-Benz C W204 Digital Audio DAB Receiver Control Unit Module A2048705490
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Part no. A0061514601
Starter Motor Mercedes Sprinter W203 W204 W211 OM646 Diesel Engine A0061514601
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Part no. A2219007102
Mercedes W221 Fuse Box SAM Relay Control Unit Signal Module Front A2219007102
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Part no. A2049067702-1
Mercedes W204 Fuse Box Rear SAM Module Electrical Fuse Unit A2049067702
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Part no. A2045404150
Fuse Box Mercedes W204 W212 SAM Relay Control Unit Module A2045404150
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Part no. A2208204942-1
Seat Adjustment Motor Mercedes W220 W221 Front Right Actuator O/S A2208204942
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Part no. A2219067200
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219067200
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Part no. A2115459301
Mercedes W211 W219 Fuse Box Rear SAM Module Electrical Fuse Unit A2115459301
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Part no. A2218707493
Mercedes W221 Seat Control Module Front Right O/S A2218707493
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Part no. A2118701585
Rain Sensor Mercedes W211 W219 Windscreen Control Unit Module A2118701585
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Part no. A0055422718
Yaw Sensor Mercedes W211 W219 ESP Rotation Rate Control Unit Module A0055422718
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Part no. A1645430062
Mercedes W221 Rear View Reversing Camera Control Unit Module A1645430062
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Part no. A1695456332
Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
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Part no. A2045403850
Mercedes W204 SAM Fuse Prefuse Box Relay Control Unit A2045403850
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Part no. A2048700196
Radio Player Mercedes W204 COMAND Navi CD Head Unit A2048700196
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Part no. A0055421918
Yaw Module Mercedes W204 Rotation Rate Acceleration Sensor A0055421918
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Part no. A0034464110
Mercedes W203 W204 W211 Automatic Gearbox Transmission Control Unit A0034464110
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Part no. A6429009900
Adblue Module Mercedes W164 W212 W221 Control Unit ECU A6429009900
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Part no. A0345454332
Mercedes-Benz C Class W203 Automatic Gearbox Transmission Control A0345454332
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Part no. A2035453401
Mercedes C CLK Class W203 C209 Sam Control Module Fuse Box Rear A2035453401
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Part no. A2095452432
Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
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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 .