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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In Stock
Price
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Part no. A1695450140
Mercedes A B Class W169 W245 Holder Bracket Engine Control Unit A1695450140
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€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0009056001
Battery Cable Mercedes W213 S213 Negative Lead Wiring Harness A0009056001
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€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1718600205
Mercedes R171 Passenger Seat Air Module Control Unit Module A1718600205
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€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A0015422623-2
Mercedes W639 PDC Display Parking Sensor Screen Control Unit A0015422623
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2216890614
Mercedes W221 PDC Distance Control Holder Bracket A2216890614
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€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1729007313
Mercedes SLC R172 PDC Parking Sensor Module Unit ECU A1729007313
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€75.95
€64.56
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2129069900
Player Audio Mercedes C207 W212 Head Unit CD Media Radio Controller A2129069900
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2465405733
Wiring Harness Mercedes X156 W176 Petrol Battery To Starter Cable A2465405733
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€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2129060205
SAM Module Mercedes W207 A207 C207 Rear Control Unit ECU A2129060205
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€99.95
€59.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2118201626
Mercedes S211 W211 Rear Door Control Unit Right O/S A2118201626
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€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2035450803
Mercedes W203 Battery Terminal Fuse Box Electrical Unit A2035450803
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€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2535400701-1
Mercedes A238 M276 Engine Alternator Wiring Loom Cable Harness A2535400701
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A2129005200
Seat Module Mercedes W204 W212 Memory Control Unit Driver's Side A2129005200
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2118210197
Mercedes E-Class W211 Rear Door Wiring Loom Harness Rubber Grommet A2118210197
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€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A6401500100
Mercedes W169 A160 CDI OM640.942 82HP Engine Control ECU A6401500100 Automatic
€113.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2129060605
Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605
€85.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1649100075-1
Mercedes ML W164 Lumbar Module Front Seat Lumbar Control Unit A1649100075
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A6397600204
Bowden Cable Mercedes W639 Door Handle Catch Top Rear Right O/S Wire A6397600204
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2185409606
Mercedes C218 Parktronic Parking Sensor Wiring Cable Rear PDC A2185409606
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2055404913
Mercedes W205 Wiring Cable Harness Center Console Ambient Lightning A2055404913
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A0009828523
Mercedes W164 Suspension Compressor Relay A0009828523
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A0009055103
Distance Radar Module Mercedes W176 W207 W212 Front Distronic Unit A0009055103
Promo price
€189.95
€161.46
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A6461502734-1
Mercedes W204 C220 CDI 170HP 646.811 Engine Unit ECU A6461502734 Automatic
Promo price
€165.95
€141.06
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2055405203
Mercedes W205 Negative Cable Battery Lead Minus Pole Wiring A2055405203
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A9079004105
Air Module Mercedes Sprinter W907 W910 Control Module ECU A9079004105
Promo price
€85.95
€51.57
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2059000219
Mercedes C117 W176 W205 Telematics Module Communication Control Unit A2059000219
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A2074401208
Mercedes W207 Parking Sensor Wiring Loom Cable Harness Rear PDC
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2229004213-1
Keyless Go Mercedes GLC X253 Keyless Entry Control Module A2229004213
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A6519065700
Mercedes W907 314 CDI Engine Alternator Generator Valeo A6519065700
Promo price
€161.95
€137.66
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. A2135451140
ECU Bracket Mercedes W213 Control Unit Module Holder Mount A2135451140
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 0390203255
Seat Adjustment Motor Mercedes W221 Front Seat Motor Actuator 0390203255
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2709002100-9
Mercedes W176 A160 W246 B160 270.910 102HP Engine ECU Unit A2709002100 Manual
€113.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A2218207510
Mercedes W221 Anti Theft Roof Alarm Ultrasonic Motion Sensor Unit A2218207510
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. A1779007403
Mercedes W177 Interior Ambiance Control Module ECU Unit A1779007403
Promo price
€51.95
€31.17
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. A1728202989
Mercedes SLK R172 Roadster Antenna Amplifier Control Module A1728202989
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. A1669001420
Display Screen Mercedes CLA C117 ML W166 Head Unit Sat Navigation A1669001420
Product currently unavailable
-15%
Part no. A1699002000
Head Unit Mercedes W169 W245 CD Player Radio Audio A1699002000
Product currently unavailable
Part no. A0045429118
ECU Module Mercedes W169 W211 W245 Yaw Rate Sensor Unit ESP A0045429118
Product currently unavailable
Part no. A0009822023
Mercedes W204 W212 W221 Battery Relay Module Unit A0009822023
Product currently unavailable
Part no. A6421500856
Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
Product currently unavailable
Part no. A2661540802
Mercedes-Benz W169 W245 Alternator Generator Petrol 90A A2661540802
Product currently unavailable
Part no. A2469009802
Mercedes W176 Radio Control Function Button Knob Controller Unit A2469009802
Product currently unavailable
-5%
Part no. A2165420018
Yaw Rate Sensor Mercedes W169 W245 W211 W219 Turn Rate Sensor A2165420018
Product currently unavailable
Part no. A0009827008
Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009827008
Product currently unavailable
Part no. A6395450301
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
Product currently unavailable
Part no. A0055421918
Yaw Module Mercedes W204 Rotation Rate Acceleration Sensor A0055421918
Product currently unavailable
Part no. A0009059300
Mercedes W205 W212 W246 Parking Distance Sensor Parktronic White A0009059300
Product currently unavailable
Part no. A2661541202
Mercedes-Benz A B Class W169 W245 Alternator Generator Petrol 90A A2661541202
Product currently unavailable
Part no. A2038201585-1
Mercedes W203 Door Module Control Unit Front Left N/S A2038201585
Product currently unavailable
Part no. A6519007500-17
Mercedes C207 E220 CDI OM651.911 BE Engine Unit Module ECU A6519007500 Automatic
Product currently unavailable
Part no. A6421540402
Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
Product currently unavailable
Part no. A1669056001
Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
Product currently unavailable
Part no. A0051511301-2
Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
Product currently unavailable
Part no. A6399003100
Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003100
Product currently unavailable
Part no. A0009829608
Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009829608
Product currently unavailable
Part no. A0009006207
Mercedes-Benz A B E W176 W212 W246 Fuel Pump Module Control Unit A0009006207
Product currently unavailable
Part no. A1699000500
Mercedes W169 W245 Door Control Module Front Left N/S A1699000500
Product currently unavailable
Part no. A2038202686
Mercedes W203 W639 Audio 10 CD Player Audio Stereo Radio Head Unit A2038202686
Product currently unavailable
Part no. A0051516601
Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
Product currently unavailable
Part no. A2045458132
Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
Product currently unavailable
Part no. A0305452632
Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
Product currently unavailable
Part no. A6121533279-1
Mercedes-Benz ML W163 270 CDI Engine Control ECU Kit A6121533279 Key Automatic
Product currently unavailable
Part no. A0325451232
Mercedes W203 Gearbox Transmission Control A0325451232
Product currently unavailable
Part no. A1669007814
Mercedes W166 W176 Navigation Screen Head Unit Sat Nav Display A1669007814
Product currently unavailable
Part no. A2095452432
Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
Product currently unavailable
-5%
Part no. A1728100011
Mercedes W176 W204 W212 Navigation Control Unit Module NTG 4.5 A1728100011
Product currently unavailable
Part no. A6519003403-3
Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
Product currently unavailable
Part no. A9065453001
Mercedes W906 Fuse Box SAM Relay Control Unit Module A9065453001
Product currently unavailable
Part no. A9066880008
Mercedes W906 Cover Footwell Fuse Box Trim OBD Grey A9066880008
Product currently unavailable
Part no. A6519005301-13
Mercedes S212 E250CDI BE OM651.924 204HP Engine Unit Module ECU Kit A6519005301
Product currently unavailable
-15%
Part no. A9068203526
Door Module Mercedes Sprinter W906 Front Right O/S Control Unit ECU A9068203526
Product currently unavailable
Part no. A2038201585
Mercedes W203 Door Control Module Front Left N/S A2038201585
Product currently unavailable
Part no. A2048204297-1
Mercedes W204 Multimedia Display Screen Head Unit Monitor LCD A2048204297
Product currently unavailable
Part no. A1695400762
Parking Module Mercedes W169 W245 PDC Distance Control Unit Sensor A1695400762
Product currently unavailable
Part no. A1718600105
Mercedes R171 Seat Air Module Control Unit Front Left N/S A1718600105
Product currently unavailable
Part no. A6079002300-1
Mercedes W176 W246 180 CDI OM607 Engine Control Unit Module ECU A6079002300
Product currently unavailable
-40%
Part no. A2469016002-1
Display Screen Mercedes W176 W246 Central Information Dashboard Dash A2469016002
Product currently unavailable
Part no. A2465407932
Battery Starter Wiring Mercedes W176 W246 Harness Cable Positive A2465407932
Product currently unavailable
Part no. A4479001000
Mercedes Vito W447 Air Module Sensor Control Unit ECU A4479001000
Product currently unavailable
Part no. A2049013502
Mercedes W204 S204 Airbag Module Air Bag SRS Control Unit ECU A2049013502
Product currently unavailable
Part no. A1715451701
Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451701
Product currently unavailable
Part no. A0009060401-1
Alternator Mercedes W204 W207 OM651 14V 150A Engine Start/Stop A0009060401
Product currently unavailable
Part no. A2469001317
Mercedes-Benz A B W176 W246 160 180 CDI Transmission Control Unit Module ECU
Product currently unavailable
-40%
Part no. A1179008600
Airbag Module Mercedes w176 Air Bag SRS Control Unit ECU A1179008600
Product currently unavailable
Part no. A1779005104
Mercedes W177 Ambient Lighting Control Module Unit ECU A1779005104
Product currently unavailable
Part no. A2039000100
Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2039000100
Product currently unavailable
Part no. A2129009705
Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
Product currently unavailable
-15%
Part no. A2469052403
Mercedes W156 W176 Battery Cable Negative Lead Terminal Harness A2469052403
Product currently unavailable
Part no. A2059009427
Mercedes W205 Front Air Module SRS Control Unit ECU A2059009427
Product currently unavailable
Part no. A2129005812
Mercedes S204 Estate SAM Module Fuse Box Relay Control Unit A2129005812
Product currently unavailable
-15%
Part no. A0009061505
Mercedes W212 W213 W205 W218 Positive Battery Tray Clamp A0009061505
Product currently unavailable
Part no. A1699010100
Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
Product currently unavailable
Part no. A1719000000
Mercedes SLK R171 Roof Module Convertible Folding Top Control Unit A1719000000
Product currently unavailable
Part no. A2198202526
Light Module Mercedes W209 W219 W164 Headlight Headlamp Control Unit A2198202526
Product currently unavailable
Part no. A2118701585
Rain Sensor Mercedes W211 W219 Windscreen Control Unit Module A2118701585
Product currently unavailable
Part no. A1408206026
Mercedes C140 Comfort Convenience Control Module Unit ECU A1408206026
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Part no. A0121544502
Mercedes W168 Alternator Generator A0121544502
Product currently unavailable
Part no. A2118705390
Mercedes ML W164 SLK R171 W211 C219 CD Changer 6 Disc Player Unit A2118705390
Product currently unavailable
Part no. A1715451701-1
Fuse Box Mercedes SLK R171 Roadster SAM Relay Box Control Module A1715451701
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 .