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.
Make
Category
Subcategory
Condition
In Stock
Price

Part no. A2225404419
Mercedes W222 C238 C257 Electrical Wiring Harness Loom Cable A2225404419
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2129010700
Mercedes W212 ECU Control Unit Sensor Module Airbag A2129010700
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A6519060026
Starter Motor Mercedes W204 W212 W639 OM651 Diesel Engine DENSO A6519060026
€42.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A1679009011
Mercedes W205 C213 X253 Rear Door Control Module Unit ECU Left N/S A1679009011
€42.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2129003704
Parking Module Mercedes W207 W212 PDC Distance Control Unit Sensor A2129003704
€28.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2229005118
Mercedes W205 Ambient Color Light Module ECU A2229005118
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2215457832
Mercedes W221 Steering Column Wheel Angle Sensor Control Unit A2215457832
€80.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A0141542702-1
Alternator Generator Mercedes Vito W639 Sprinter W906 14V 120A Bosch A0141542702
€70.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A1699000100
Mercedes-Benz A B W169 W245 Front Left Door N/S Control Unit Module A1699000100
€32.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2059004021
Mercedes W205 GLC X253 Door Module Control Unit Front Left N/S A2059004021
€28.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A1775405520
Mercedes W177 Front Door Harness Loom Cable Wiring Left Right N/O/S A1775405520
€56.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A1669004402
Door Module Mercedes W176 W246 Front Right O/S Control Unit Module A1669004402
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2469052403
Mercedes W156 W176 Battery Cable Negative Lead Terminal Harness A2469052403
€32.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2533402600
Mercedes X253 Hybrid GLC Battery Electrical Wiring Harness A2533402600
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2215408507
Mercedes W221 Door Wiring Harness Cable Front Left Right N/O/S A2215408507
€32.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A0009055504-TNG1
Mercedes W166 C207 Front Rear PDC Parking Distance Sensor Tenorite Grey - 755
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A0009050438
Windscreen Camera Mercedes W204 W212 Front Windshield Camera Unit A0009050438
€28.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A1699002000
Head Unit Mercedes W169 W245 CD Player Radio Audio A1699002000
€47.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A0009003206
Mercedes W205 W222 Fuel Pump Module Control Unit A0009003206
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2479009312
Mercedes W910 Telematics Module Communication Blutooth Control A2479009312
€80.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2049009004
Parking Module Mercedes W204 S204 PDC Distance Control Unit Sensor A2049009004
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A9079000304
Mercedes Sprinter W907 W910 Air Module Sensor Unit ECU A9079000304
€66.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2215408609
Mercedes W221 Rear Door Wiring Harness Cable Left N/S A2215408609
€32.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2389055000
Mercedes W205 Antenna Aerial Amplifier Duplexer Module Receiver Unit A2389055000
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A1645403572-2
Mercedes W164 W251 Fuse Box Relay Module Control Unit A1645403572
€208.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A0009001705
Mercedes C117 PDC Parking Sensor Control Module Unit ECU A0009001705
€61.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2535401001
Battery Cable Mercedes C238 C253 Starter Alternator Wiring Harness A2535401001
€42.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2128300008
Fan Blower Mercedes W212 Comand Navi CD Control Unit Module Cooler A2128300008
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A0009055103
Distance Radar Module Mercedes W176 W207 W212 Front Distronic Unit A0009055103
€189.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A0005406904
Mercedes X253 Ground Line Battery Earth Cable Wire A0005406904
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2118703385
Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703385
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2215408908
Mercedes W221 Door Harness Wiring Loom Rear Right O/S A2215408908
€32.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2769007500
Mercedes W205 C43 4MATIC M276.823 367HP Engine Control ECU A2769007500 Automatic
€379.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2118203042
Mercedes E-Class W211 S211 Front Right Door O/S Window Lifter Motor Regulator
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2075451740
Mercedes-Benz A207 W207 Cabrio Control Unit Module Bracket Holder A2075451740
€23.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A2044404732
Mercedes W204 Estate PDC Wiring Rear Bumper Parking Sensor Cable A2044404732
€32.95
Free delivery - Wed, Jan 14
If paid before 14:00

Part no. A0009822023
Mercedes W204 W212 W221 Battery Relay Module Unit A0009822023
Product currently unavailable

Part no. A2049009201
Parktronic Module Mercedes W204 PDC Parking Sensors Control Unit A2049009201
Product currently unavailable

Part no. A1698202675
Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
Product currently unavailable

Part no. A0009012604
Mercedes W177 Automatic Gearbox Control Unit Module ECU A0009012604
Product currently unavailable

Part no. A2049017801
Mercedes W204 W212 Windscreen Rain Sensor Control Unit A2049017801
Product currently unavailable

Part no. A4479000601
Mercedes Vito W447 Rain Light Sensor Control Unit Module A4479000601
Product currently unavailable

Part no. A2139062201
Mercedes W213 Bonnet Hood Crash Actuator Unit Left Right N/O/S A2139062201
Product currently unavailable

Part no. A2129006905
Mercedes W212 Comand Radio Head Unit CD DVD Player A2129006905
Product currently unavailable

Part no. A6394408537
Mercedes W639 Front Bumper PDC Wiring Parking Sensor Loom Harness A6394408537
Product currently unavailable

Part no. A2139007107
Mercedes W213 Seat Control Module Unit ECU A2139007107
Product currently unavailable

Part no. A0025422319-1
Mercedes Universal TYCO Relay Module 12V V23134-B52-X309 A0025422319
Product currently unavailable

Part no. A2045408735
Mercedes W204 Front Seat Air Module Wiring Cable Front Right A2045408735
Product currently unavailable

Part no. A0015422623
PDC Display Mercedes W639 Front Parking Sensor Screen Control Unit A0015422623
Product currently unavailable

Part no. A0009821212
Energy Distributor Mercedes W205 W212 W213 W906 Control Unit Module A0009821212
Product currently unavailable

Part no. A2048704658
Mercedes W204 Radio Control Function Button Knob Controller Unit A2048704658
Product currently unavailable

Part no. A2661531491-4
Mercedes W169 A160 266.920 95HP Engine Control Unit ECU Kit A2661531491 Key Lock
Product currently unavailable

Part no. A0009002010
Transmission Module Mercedes C117 AMG Petrol OM133 Gearbox Control A0009002010
Product currently unavailable

Part no. A2115458432
Mercedes W211 CLS C219 Body Control Module BCM Temic A2115458432
Product currently unavailable

Part no. A2087600104
Mercedes-Benz CLK W208 Front Left Right Door Interior Handle Bowden Pull Cable
Product currently unavailable

Part no. A2539005906
Mercedes C253 Body Control Module Temic A2539005906
Product currently unavailable

Part no. A2045458132
Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
Product currently unavailable

Part no. A6401503733
Engine Wiring Mercedes W169 W245 Loom Cable Harness Injector Module A6401503733
Product currently unavailable

Part no. A0009000104
Mercedes W176 W204 W207 Fuel Pump Module Petrol Control Unit ECU A0009000104
Product currently unavailable

Part no. A2661534779
Mercedes W169 A200 M266.960 136HP Engine Control Unit ECU A2661534779 Automatic
Product currently unavailable

Part no. A2035453501
SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035453501
Product currently unavailable

Part no. A2465407732
Battery Cable Mercedes W176 W246 Positive Wiring Starter Harness A2465407732
Product currently unavailable

Part no. A9069006102
Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069006102
Product currently unavailable

Part no. A6461506378
Mercedes W906 OM646.985 109HP Engine Unit Module ECU Kit Key A6461506378
Product currently unavailable

Part no. A2049012604
Mercedes W204 Parking Control Unit Module ECU A2049012604
Product currently unavailable

Part no. A6429002700
Mercedes W203 W204 W212 OM642 Glow Plug Relay Unit Control Module A6429002700
Product currently unavailable

Part no. A1718206526
Mercedes SLK R171 Air Module System Control Unit ECU A1718206526
Product currently unavailable

Part no. A6399003300
Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300
Product currently unavailable

Part no. A6519000700
Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519000700 Manual
Product currently unavailable

Part no. A6395450301-1
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
Product currently unavailable

Part no. A2218707493
Mercedes W221 Seat Control Module Front Right O/S A2218707493
Product currently unavailable

Part no. A0025426618
Mercedes W211 W220 ESP Yaw Rotation Rate Sensor A0025426618
Product currently unavailable

Part no. A2048707658
Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
Product currently unavailable

Part no. A2034621130
Mercedes W203 Steering Column Lock Control Unit Module A2034621130
Product currently unavailable

Part no. A6395450003
Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
Product currently unavailable

Part no. A2129005812
Mercedes S204 Estate SAM Module Fuse Box Relay Control Unit A2129005812
Product currently unavailable

Part no. A1669005605
Door Module Mercedes W176 W246 Front Left N/S Control Unit VST A1669005605
Product currently unavailable

Part no. A2218707393
Mercedes S350 W221 Seat Control Module Front Left N/S A2218707393
Product currently unavailable

Part no. A2059008917
Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
Product currently unavailable

Part no. A2229000821
Mercedes C238 Headlight Ballast Control Unit Module A2229000821
Product currently unavailable

Part no. A9075450100
Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100
Product currently unavailable

Part no. A2569001200
Mercedes C238 E53 AMG 4-Matic M256.930 435HP Engine ECU A2569001200 Automatic
Product currently unavailable

Part no. A2479069901
Mercedes H243 Bonnet Actuator Left Right N/O/S Pedestrian Protection A2479069901
Product currently unavailable

Part no. N000000004039
Mercedes ML GLC W164 X164 W204 Additional Backup Battery 12V 1.2Ah N000000004039
Product currently unavailable

Part no. A2229004619
Mercedes W205 W213 C238 Bluetooth Hermes LTE Control Unit Module A2139002210
Product currently unavailable

Part no. A2128702951-1
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
Product currently unavailable

Part no. A0009063701
Mercedes W205 Alternator 14V/200A Valeo Diesel Engine M626 A0009063701
Product currently unavailable

Part no. A2095451401
Fuse Box Mercedes CLK W203 W209 Front SAM Module Control Unit A2095451401
Product currently unavailable

Part no. A1669000220
Mercedes GLE C292 Coupe Air Control Module Unit Bosch SRS A1669000220
Product currently unavailable

Part no. A2218708093
Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708093
Product currently unavailable

Part no. A2115409605
Mercedes W211 Rain Light Sensor Control Unit Wiring Loom Cable A2115409605
Product currently unavailable

Part no. A2215400401
Mercedes W221 Power Supply Battery Control Module Unit A2215400401
Product currently unavailable

Part no. A6461502072
Mercedes-Benz W204 C220CDI Diesel Engine Control Unit Module ECU A6461502072
Product currently unavailable

Part no. A0009059013
Mercedes W205 GLC X253 Distronic Radar Sensor Control Unit Module A0009059013
Product currently unavailable

Part no. A6461540102-1
Alternator Generator Mercedes Vito W639 Sprinter W906 Engine Diesel A6461540102
Product currently unavailable

Part no. A2165420018
Yaw Rate Sensor Mercedes W169 W245 W211 W219 Turn Rate Sensor A2165420018
Product currently unavailable

Part no. A2035406609
Mercedes CLC CL203 Trunk Lid Tailgate Left N/S Wiring Cable Harness A2035406609
Product currently unavailable

Part no. A2098204526
Mercedes CLK W209 Convertible Roof Top Control Unit Module ECU A2098204526
Product currently unavailable

Part no. A2049009501
Fuse Box Mercedes W204 Rear SAM Relay Control Unit Module A2049009501
Product currently unavailable
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 .