Automotive electrical systems

At 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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Mercedes C117 GLA X156 ML W166 W176 W246 Relay 5 Pins Yellow Set A0035421019

Part no. A0035421019-1

Mercedes C117 GLA X156 ML W166 W176 W246 Relay 5 Pins Yellow Set A0035421019

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W206 Door Harness Cable Wiring Rear Left N/S A2065404116

Part no. A2065406045

Mercedes W206 Door Harness Cable Wiring Rear Left N/S A2065404116

£37.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes ML W166 GL X166 Air Module Control Unit ECU Module Sensor A1669001211

Part no. A1669001211

Mercedes ML W166 GL X166 Air Module Control Unit ECU Module Sensor A1669001211

£113.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W177 W247 Driving Dynamics Module Control Unit ECU A0009004836

Part no. A0009004836

Mercedes W177 W247 Driving Dynamics Module Control Unit ECU A0009004836

£113.95

Free delivery - Tue, Dec 02

If paid before 14:00

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Mercedes W251 Central Multimedia Navi GPS Control Head Unit ECU A2519061100

Part no. A2519061100

Mercedes W251 Central Multimedia Navi GPS Control Head Unit ECU A2519061100

£284.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469003818

Part no. A2469003818

Mercedes W176 W246 Radio Head Unit COMAND Navi Player Control Unit A2469003818

£284.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405408

Part no. A1765405408

Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405408

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 Sound Amplifier Rear Module Premium Sound E A2139002729

Part no. A2139002729-1

Mercedes W205 Sound Amplifier Rear Module Premium Sound E A2139002729

£474.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes C219 CLS 320 642.920 224HP Engine Unit ECU Kit A6421508091 Key Lock

Part no. A6421508091-1

Mercedes C219 CLS 320 642.920 224HP Engine Unit ECU Kit A6421508091 Key Lock

£265.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W176 W204 W212 Telematics Communication Control Unit Module A2429007001

Part no. A2429007001

Mercedes W176 W204 W212 Telematics Communication Control Unit Module A2429007001

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes A207 Heated Seats Heating Control Unit Module ECU A2079001600

Part no. A2079001600

Mercedes A207 Heated Seats Heating Control Unit Module ECU A2079001600

£56.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes C216 W221 Glovebox Storage Compartment Wire Harness Loom A2214407109

Part no. A2214407109

Mercedes C216 W221 Glovebox Storage Compartment Wire Harness Loom A2214407109

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes CLA X118 Door Wiring Harness Keyless Front Left Right N/O/S A1185408215

Part no. RHD-A1185408215

Mercedes CLA X118 Door Wiring Harness Keyless Front Left Right N/O/S A1185408215

£47.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Fuse Box Holder Mercedes W209 Control Unit Mount Bracket CLK A2095453140

Part no. A2095453140

Fuse Box Holder Mercedes W209 Control Unit Mount Bracket CLK A2095453140

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Positive Battery Cable Mercedes S212 C218 X218 Starter Alternator A2124404138

Part no. rhd-A2124404138

Positive Battery Cable Mercedes S212 C218 X218 Starter Alternator A2124404138

£37.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 C220CDI 646.811 170HP Engine ECU Kit Ignition + Key A6461502072

Part no. A6461502072-1

Mercedes W204 C220CDI 646.811 170HP Engine ECU Kit Ignition + Key A6461502072

£284.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W213 C238 Battery Terminal Positive Cable Wiring OM656 A2135407173

Part no. RHD-A2135407173

Mercedes W213 C238 Battery Terminal Positive Cable Wiring OM656 A2135407173

£66.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105

Part no. A2129018508

Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 Battery Electrical Wiring Harness Ground Line A2055400696

Part no. rhd-A2055400696

Mercedes W205 Battery Electrical Wiring Harness Ground Line A2055400696

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes C118 W167 W177 W243 W247 Ignition Control Module Unit ECU A1679009330

Part no. A1679009330

Mercedes C118 W167 W177 W243 W247 Ignition Control Module Unit ECU A1679009330

£237.95

Free delivery - Tue, Dec 02

If paid before 14:00

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Door Module Mercedes C117 W176 W246 Front Left N/S Control Unit A1669004002

Part no. A1669004002

Door Module Mercedes C117 W176 W246 Front Left N/S Control Unit A1669004002

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Door Module Mercedes C207 W207 Front Right O/S Control Unit ECU A2079001200

Part no. A2079001200

Door Module Mercedes C207 W207 Front Right O/S Control Unit ECU A2079001200

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W221 Rear Armrest DVD Player Control Headunit A1669062300

Part no. A1669062300

Mercedes W221 Rear Armrest DVD Player Control Headunit A1669062300

£47.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W206 Fuel Pump Module Control Unit A0009007413

Part no. A0009007413

Mercedes W206 Fuel Pump Module Control Unit A0009007413

£89.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129002813

Part no. A2129002813

Mercedes W212 PDC Parking Distance Control Unit Module Sensor A2129002813

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Air Duct Mercedes W212 Cooler Comand Navi CD Control Unit Module A2128320400

Part no. rhd-A2128320400

Air Duct Mercedes W212 Cooler Comand Navi CD Control Unit Module A2128320400

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes Vito W447 Fuse Box Compartment Housing Cover A4475450069

Part no. A4475450069-1

Mercedes Vito W447 Fuse Box Compartment Housing Cover A4475450069

£28.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Battery Cable Mercedes W204 W207 Negative Lead Terminal Harness A0009050354

Part no. rhd-A0009050354

Battery Cable Mercedes W204 W207 Negative Lead Terminal Harness A0009050354

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Crash Sensor Mercedes W176 W204 W212 Impact Airbag Unit Module A0055421218

Part no. A0055421218

Crash Sensor Mercedes W176 W204 W212 Impact Airbag Unit Module A0055421218

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W166 Blind Spot Zone Control Module Radar Sensor Unit ECU A0009005209

Part no. A0009005209

Mercedes W166 Blind Spot Zone Control Module Radar Sensor Unit ECU A0009005209

£75.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W447 W907 W910 150HP OM654.920 Engine Control Module ECU A6549009400

Part no. A6549009400-4

Mercedes W447 W907 W910 150HP OM654.920 Engine Control Module ECU A6549009400

£142.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Ignition Switch Mercedes W167 W177 W247 Lock Control Unit Module A2469055003

Part no. A2469055003-1

Ignition Switch Mercedes W167 W177 W247 Lock Control Unit Module A2469055003

£32.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes CLK W209 Convertible Alarm Anti Theft System Control Unit A2098209610

Part no. A2098209610

Mercedes CLK W209 Convertible Alarm Anti Theft System Control Unit A2098209610

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes ML W166 Wiring Harness Cable Suspension Valve A1664400333

Part no. A1664400333

Mercedes ML W166 Wiring Harness Cable Suspension Valve A1664400333

£32.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 Front Fuse Box Relay Module Sam Control A2129005712

Part no. A2129005712

Mercedes W204 Front Fuse Box Relay Module Sam Control A2129005712

£47.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Ignition Coil Mercedes W176 M270 Petrol Ignition Cable Connector A2701590042

Part no. A2701590042

Ignition Coil Mercedes W176 M270 Petrol Ignition Cable Connector A2701590042

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063202

Part no. A2229063202-1

Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063202

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 Fuse Box SAM Relay Control Module A0045459201

Part no. A0045459201

Mercedes W204 Fuse Box SAM Relay Control Module A0045459201

£113.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes ML W164 W169 W205 W212 Fuse Box Relay Control Unit Module A0005406050

Part no. A0005406050

Mercedes ML W164 W169 W205 W212 Fuse Box Relay Control Unit Module A0005406050

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes S211 W211 W219 Fuse Distribution Box Unit A2115453901

Part no. A2115450301-1

Mercedes S211 W211 W219 Fuse Distribution Box Unit A2115453901

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes R172 PDC Parking Distance Sensor Control Module Unit A1729000302

Part no. A1729000302

Mercedes R172 PDC Parking Distance Sensor Control Module Unit A1729000302

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 Ambient Color Light Module ECU A2229005118

Part no. A2229005118

Mercedes W205 Ambient Color Light Module ECU A2229005118

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes Sprinter W907 Wiring Connector Cable Plug Terminal Housing A9078201200

Part no. A9078201200

Mercedes Sprinter W907 Wiring Connector Cable Plug Terminal Housing A9078201200

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 W222 Fuel Pump Module Control Unit A0009003206

Part no. A0009003206

Mercedes W205 W222 Fuel Pump Module Control Unit A0009003206

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059003729

Part no. A2059003729

Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059003729

£180.95

Free delivery - Tue, Dec 02

If paid before 14:00

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Mercedes W207 W212 W221 Front Windscreen Windshield Camera A0009051600

Part no. A0009051600

Mercedes W207 W212 W221 Front Windscreen Windshield Camera A0009051600

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes C117 CLA 180 270.910 122HP Engine ECU Kit A2709002100 Automatic

Part no. A2709002100-15

Mercedes C117 CLA 180 270.910 122HP Engine ECU Kit A2709002100 Automatic

£427.95

Free delivery - Tue, Dec 02

If paid before 14:00

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Audio Amplifier Mercedes C118 W177 W247 Radio Sound Burmester Unit A1779007305

Part no. A1779007305

Audio Amplifier Mercedes C118 W177 W247 Radio Sound Burmester Unit A1779007305

£332.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 Coupe Door Wiring Front Right O/S Door Cable Harness A2044402234

Part no. rhd-A2044402234

Mercedes W204 Coupe Door Wiring Front Right O/S Door Cable Harness A2044402234

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400150

Part no. A6395400150

Mercedes Vito W639 Battery Terminal Fuse Box Control Unit Module A6395400150

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W212 Door Wiring Loom Cable Rear Left Right N/O/S A2124401851

Part no. A2124401851

Mercedes W212 Door Wiring Loom Cable Rear Left Right N/O/S A2124401851

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes Sprinter W906 Battery Bracket Mount Carrier Support A9065410040

Part no. A9065410040

Mercedes Sprinter W906 Battery Bracket Mount Carrier Support A9065410040

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W177 W247 Door Module  Front Right Control Unit A1779001604

Part no. A1779001604

Mercedes W177 W247 Door Module Front Right Control Unit A1779001604

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W212 Rear SAM Control Unit Module A2129009622

Part no. A2129009622-1

Mercedes W212 Rear SAM Control Unit Module A2129009622

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz S-Class W221 Fuse Relay Electrical Box Storage A2215400324

Part no. rhd-A2215400324

Mercedes-Benz S-Class W221 Fuse Relay Electrical Box Storage A2215400324

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 Bluetooth Control Unit Module Media Interface ECU A2048700185

Part no. A2048700185

Mercedes W204 Bluetooth Control Unit Module Media Interface ECU A2048700185

£85.95

Free delivery - Mon, Dec 01

If paid before 14:00

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SD Card Mercedes X156 A207 C207 Garmin Map Pilot Navigation Europe A2189060003

Part no. A2189060003

SD Card Mercedes X156 A207 C207 Garmin Map Pilot Navigation Europe A2189060003

£75.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W212 Fuse Box Module Rear Relay Electric Control Unit SAM A2129060005

Part no. A2129060005-1

Mercedes W212 Fuse Box Module Rear Relay Electric Control Unit SAM A2129060005

£28.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W206 Air Module Headliner Roof Curtain Left N/S A2068603202

Part no. A2068603202

Mercedes W206 Air Module Headliner Roof Curtain Left N/S A2068603202

£142.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes CLS C218 Radio Head Unit Comand Navi CD Player Control Unit A2129008624

Part no. A2129008624

Mercedes CLS C218 Radio Head Unit Comand Navi CD Player Control Unit A2129008624

£161.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Tailgate Module Mercedes W204 W212 Boot Lid Locking ECU Control Unit A2128203542

Part no. A2128203542

Tailgate Module Mercedes W204 W212 Boot Lid Locking ECU Control Unit A2128203542

£47.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W212 Centre Console Dashboard Dash Cable Wiring Loom A2125408535

Part no. A2125408535

Mercedes W212 Centre Console Dashboard Dash Cable Wiring Loom A2125408535

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W213 Front Left N/S Door Electrical Wiring Harness A2135407144

Part no. rhd-A2135407144

Mercedes W213 Front Left N/S Door Electrical Wiring Harness A2135407144

£28.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705

Part no. A9075402705

Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705

£66.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Battery Cable Mercedes W204 W207 Positive Wiring Harness Loom A2045409813

Part no. A2045409813

Battery Cable Mercedes W204 W207 Positive Wiring Harness Loom A2045409813

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Switch Sensor Cable Mercedes W205 W212 Rear Bumper Module A2229058804

Part no. A2229058804

Switch Sensor Cable Mercedes W205 W212 Rear Bumper Module A2229058804

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz E-Class W211 Central Gateway Control Unit Module ECU A2115403145

Part no. A2115403145

Mercedes-Benz E-Class W211 Central Gateway Control Unit Module ECU A2115403145

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 Steering Wheel Air Module Driver's Side Black A0008605903

Part no. A0008605903

Mercedes W204 Steering Wheel Air Module Driver's Side Black A0008605903

£66.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068801

Part no. A2139068801-1

Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068801

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes SLK R172 Front Air Module SRS Control Unit ECU A1729017601

Part no. A1729017601

Mercedes SLK R172 Front Air Module SRS Control Unit ECU A1729017601

£32.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Alternator Support Bracket Mercedes W212 OM651 Belt Tensioner Holder A6512012009

Part no. A6512012009

Alternator Support Bracket Mercedes W212 OM651 Belt Tensioner Holder A6512012009

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 Lid Boot Trunk Tailgate Smart Opener Control Module A2539059800

Part no. A2539059800

Mercedes W205 Lid Boot Trunk Tailgate Smart Opener Control Module A2539059800

£32.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W177 A180d 608,915 116HP Engine Control Unit A6089001500 Automatic

Part no. A6089001500

Mercedes W177 A180d 608,915 116HP Engine Control Unit A6089001500 Automatic

£66.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W164 X164 W221 SRS Airbag Impact Crash Sensor A0038202926

Part no. A0038202926

Mercedes W164 X164 W221 SRS Airbag Impact Crash Sensor A0038202926

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W176 Aerial Antenna Amplifier A1569057900

Part no. A1569057900

Mercedes W176 Aerial Antenna Amplifier A1569057900

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Door Module Mercedes W176 W246 Front Right O/S Control Unit A1669006105

Part no. A1669006105

Door Module Mercedes W176 W246 Front Right O/S Control Unit A1669006105

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100

Part no. A9075450100-1

Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100

£37.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Adblue Module Mercedes W205 W222 C253 Exhaust Gas Control Unit ECU A0009004810

Part no. A0009004810

Adblue Module Mercedes W205 W222 C253 Exhaust Gas Control Unit ECU A0009004810

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W212 CLS C218 Radio Multimedia Display Monitor Screen A2129002313

Part no. A2129002313

Mercedes W212 CLS C218 Radio Multimedia Display Monitor Screen A2129002313

£113.95

Free delivery - Mon, Dec 01

If paid before 14:00

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 Mercedes X117 Communication Telematics Control Module Unit ECU A1669005417

Part no. A1669005417

Mercedes X117 Communication Telematics Control Module Unit ECU A1669005417

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W212 Air Suspension Control Unit Module ECU A2129006514

Part no. A2129006514

Mercedes W212 Air Suspension Control Unit Module ECU A2129006514

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes S212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129001506

Part no. A2129001506

Mercedes S212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129001506

£37.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W207 W212 Radio Head Unit CD Player Control Panel Switch A2129006417

Part no. A2129006417-1

Mercedes W207 W212 Radio Head Unit CD Player Control Panel Switch A2129006417

£75.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 PDC Sensor Wiring Loom Harness Front Bumper A2044400035

Part no. A2044400035

Mercedes W204 PDC Sensor Wiring Loom Harness Front Bumper A2044400035

£32.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Fuse Holder Mercedes Sprinter W906 Electrical Fuse Box Bracket A9015450119

Part no. A9015450119-1

Fuse Holder Mercedes Sprinter W906 Electrical Fuse Box Bracket A9015450119

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes X218 Air Module Control Unit ECU Module A2189015200

Part no. A2189015200

Mercedes X218 Air Module Control Unit ECU Module A2189015200

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Keyless Module Mercedes W205 W222 ECU Door Lock Control Unit A0998200183

Part no. A0998200183

Keyless Module Mercedes W205 W222 ECU Door Lock Control Unit A0998200183

£18.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W205 Diesel Engine Starter Alternator Electrical Cable M264 A2055402480

Part no. A2055402480

Mercedes W205 Diesel Engine Starter Alternator Electrical Cable M264 A2055402480

£47.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W177 W247 Fuse Box Front Relay Engine Control Unit Module A1779069601

Part no. A1779069601

Mercedes W177 W247 Fuse Box Front Relay Engine Control Unit Module A1779069601

£37.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes-Benz S W221 Comand 6-Changer CD Radio Head Unit DVD Navi A2219004704

Part no. A2219004704

Mercedes-Benz S W221 Comand 6-Changer CD Radio Head Unit DVD Navi A2219004704

£759.95

Free delivery - Tue, Dec 02

If paid before 14:00

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Mercedes W205 W238 Fuse Box Cover Control Unit Holder Bracket A2055400840

Part no. A2055400840

Mercedes W205 W238 Fuse Box Cover Control Unit Holder Bracket A2055400840

£23.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W212 Battery Starter Alternator Wiring Harness Cable A2125403505

Part no. rhd-A2125403505

Mercedes W212 Battery Starter Alternator Wiring Harness Cable A2125403505

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W212 C207 Radio Head Control Unit Comand Navi CD Player A2129008409

Part no. A2129008409-1

Mercedes W212 C207 Radio Head Control Unit Comand Navi CD Player A2129008409

£132.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes X253 Rear Bumper Cable Wiring Loom PDC Harness A2535407630

Part no. A2535407630

Mercedes X253 Rear Bumper Cable Wiring Loom PDC Harness A2535407630

£284.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W204 Petrol Fuel Pump Control Unit Module A2215406562

Part no. A2215406562

Mercedes W204 Petrol Fuel Pump Control Unit Module A2215406562

£28.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes CLA X118 Door Wiring Harness Keyless Front Left Right N/O/S A1185408215

Part no. A1185404415

Mercedes CLA X118 Door Wiring Harness Keyless Front Left Right N/O/S A1185408215

£32.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Mercedes W169 W245 Diesel Engine Starter Wiring Loom Cable A1695400209

Part no. A1695400209

Mercedes W169 W245 Diesel Engine Starter Wiring Loom Cable A1695400209

£13.95

Free delivery - Mon, Dec 01

If paid before 14:00

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Camera Module Mercedes W156 W176 Reversing Rear View Control Unit A1179006000

Part no. A1179006000

Camera Module Mercedes W156 W176 Reversing Rear View Control Unit A1179006000

£47.95

Free delivery - Mon, Dec 01

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Mercedes X156 GLA 220 OM651.930 170HP 4Matic Engine ECU A6519007003 Automatic

Part no. A6519007003-4

Mercedes X156 GLA 220 OM651.930 170HP 4Matic Engine ECU A6519007003 Automatic

£47.95

Free delivery - Mon, Dec 01

If paid before 14:00

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.
  1. Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
  2. Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
  3. Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
  4. Starters – Key components of the starting system that enable the engine to be started.
  5. Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
  6. Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
  7. Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
  8. Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
  9. 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:

SymptomPossible causeItem to check
Difficulty starting the engineWorn out starter or batteryStarter motor, battery
Dimming the lightsInefficient alternatorAlternator, voltage regulator
Electric windows not workingDamaged relays or harnessRelays, 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

  1. Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
  2. Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
  3. Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
  4. 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

QuestionAnswer
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 .

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