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 W221 Rear View Backup Camera Control Unit Module A2218708485

Part no. A2218708485

Mercedes W221 Rear View Backup Camera Control Unit Module A2218708485

£32.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 BCM Body Control Module Unit ECU A2059007339

Part no. A2059007339

Mercedes W205 BCM Body Control Module Unit ECU A2059007339

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Negative Battery Cable Earth Lead Harness Wiring A2055407716

Part no. A2055407716

Mercedes W205 Negative Battery Cable Earth Lead Harness Wiring A2055407716

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A0005400664

Part no. A0005400664

Mercedes W205 Battery Cable Wiring Harness Loom Petrol Hybrid A0005400664

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W177 W247 Display Screen Instrument Cluster Speedo Meter A2479007204

Part no. RHD-A2479007204-1

Mercedes W177 W247 Display Screen Instrument Cluster Speedo Meter A2479007204

£208.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes R231 Front Door Cable Harness Right O/S Lock System A2315401208

Part no. RHD-A2315401208

Mercedes R231 Front Door Cable Harness Right O/S Lock System A2315401208

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 Automatic Gearbox Transmission Module Control Unit ECU A0009006302

Part no. A0009006302

Mercedes W176 Automatic Gearbox Transmission Module Control Unit ECU A0009006302

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz A W169 Parktronic Parking Sensor Wiring Cable Rear PDC A1695400606

Part no. A1695400606

Mercedes-Benz A W169 Parktronic Parking Sensor Wiring Cable Rear PDC A1695400606

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W470 Automatic Gearbox Transmission Module Unit Control ECU EMU30290N

Part no. EMU30290N

Mercedes W470 Automatic Gearbox Transmission Module Unit Control ECU EMU30290N

£85.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C219 CLS 320 642.920 224HP Engine Module Unit ECU A6421503972 Automatic

Part no. A6421503972

Mercedes C219 CLS 320 642.920 224HP Engine Module Unit ECU A6421503972 Automatic

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224

Part no. A1665400224

Mercedes W166 C292 Fuse Relay Box Cover Trim Panel Lid Housing A1665400224

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Front Relay Power Fuse Box Control Unit Module A2055407011

Part no. RHD-A2055407011-2

Mercedes W205 Front Relay Power Fuse Box Control Unit Module A2055407011

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W164 Front Right O/S Cable Wiring Duct A1645460261

Part no. A1645460261

Mercedes W164 Front Right O/S Cable Wiring Duct A1645460261

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Front Left Seat Control Module Unit A2218704987

Part no. A2218704987

Mercedes W221 Front Left Seat Control Module Unit A2218704987

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605

Part no. A2129060605

Mercedes W212 Fuse Box Rear Relay Control Unit Electric Module SAM A2129060605

£70.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W177 Windscreen Windshield Rain Sensor Control Unit Front A2149009808

Part no. A2149009808

Mercedes W177 Windscreen Windshield Rain Sensor Control Unit Front A2149009808

£51.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes SL R231 Roadster Wiring Harness Front Door Right O/S Loom A2315409932

Part no. RHD-A2315409932

Mercedes SL R231 Roadster Wiring Harness Front Door Right O/S Loom A2315409932

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes ML W164 Audio Sound Amplifier Bracket Mount Support Holder A1648270214

Part no. A1648270214

Mercedes ML W164 Audio Sound Amplifier Bracket Mount Support Holder A1648270214

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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iPod Interface Mercedes W164 W169 C219 Module Control Unit ECU B67824529

Part no. B67824529

iPod Interface Mercedes W164 W169 C219 Module Control Unit ECU B67824529

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W251 Rear Bumper Parktronic Wiring Loom Parking Sensor A2515404206

Part no. A2515404206

Mercedes W251 Rear Bumper Parktronic Wiring Loom Parking Sensor A2515404206

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz M-Class ML W164 Front Left N/S Cable Wiring Duct A1645460161

Part no. A1645460161

Mercedes-Benz M-Class ML W164 Front Left N/S Cable Wiring Duct A1645460161

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 A180 CDI OM607.951 109HP Engine ECU A6079001800 Automatic

Part no. A6079001800-2

Mercedes W176 A180 CDI OM607.951 109HP Engine ECU A6079001800 Automatic

£332.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W212 Aerial Antenna Module Amplifier Rear Window Top Left A2128202289

Part no. A2128202289

Mercedes W212 Aerial Antenna Module Amplifier Rear Window Top Left A2128202289

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C253 W177 W205 W247 Gearbox Module Control ECU Automatic A2139008730

Part no. A2139008730

Mercedes C253 W177 W205 W247 Gearbox Module Control ECU Automatic A2139008730

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C205 Sam Control Module Body Comfort ECU A2059007134

Part no. A2059007134

Mercedes C205 Sam Control Module Body Comfort ECU A2059007134

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Cable Mercedes W176 Wiring Loom Front Left Door N/S A1765401304

Part no. A1765401304

Door Cable Mercedes W176 Wiring Loom Front Left Door N/S A1765401304

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes SLK R170 M111 Positive Battery Cable Lead Wire Starter A1705403506

Part no. rhd-A1705403506

Mercedes SLK R170 M111 Positive Battery Cable Lead Wire Starter A1705403506

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Harness Mercedes W176 W246 Cable Loom Wiring Front Right O/S A2465407911

Part no. rhd-A2465407911

Door Harness Mercedes W176 W246 Cable Loom Wiring Front Right O/S A2465407911

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Wiring Mercedes W205 Electrical Cable Transmission To Body A2055407616

Part no. A2055407616

Wiring Mercedes W205 Electrical Cable Transmission To Body A2055407616

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Door Control Unit Module Right Rear O/S A2218707386

Part no. A2218707386

Mercedes W221 Door Control Unit Module Right Rear O/S A2218707386

£32.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Module Mercedes W176 A45 AMG M133 4matic All Wheel Drive Control A2469008813

Part no. A2469008813

Module Mercedes W176 A45 AMG M133 4matic All Wheel Drive Control A2469008813

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Starter Cable Mercedes W205 GLC X253 Electrical Wiring Harness A2055406621

Part no. A2055406621

Starter Cable Mercedes W205 GLC X253 Electrical Wiring Harness A2055406621

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W177 W247 4Matic Transfer Control Unit Module ECU A2479002307

Part no. A2479002307

Mercedes W177 W247 4Matic Transfer Control Unit Module ECU A2479002307

£113.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Battery Cable Mercedes W204 W207 Negative Lead Alternator Wiring A2044408753

Part no. rhd-A2044408753

Battery Cable Mercedes W204 W207 Negative Lead Alternator Wiring A2044408753

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C238 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2385407716

Part no. A2385407716

Mercedes C238 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2385407716

£85.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W245 B200 OM640.941 140HP Engine Control ECU Kit A6401504034 Automatic

Part no. A6401504034-1

Mercedes W245 B200 OM640.941 140HP Engine Control ECU Kit A6401504034 Automatic

£189.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W166 C292 Fuse Box Relay Control Unit Module A1665459340

Part no. A1665459340

Mercedes W166 C292 Fuse Box Relay Control Unit Module A1665459340

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W207 Door Cable Wiring Loom Front Left Right Door N/O/S A2075405205

Part no. A2075405205

Mercedes W207 Door Cable Wiring Loom Front Left Right Door N/O/S A2075405205

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes X253 Engine Wiring Harness Line Supply Line A2741504704

Part no. A2741504704

Mercedes X253 Engine Wiring Harness Line Supply Line A2741504704

£94.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Mercedes W177 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1775402111

Part no. A1775402111

Mercedes W177 Door Harness Loom Cable Wiring Rear Left Right N/O/S A1775402111

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes CLS500 C219 Fuse Box Relay Box Control Module Unit A2215406801

Part no. A2215406801

Mercedes CLS500 C219 Fuse Box Relay Box Control Module Unit A2215406801

£118.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes SLK R172 250CDI OM651.980 Engine Control Unit ECU A6519007500 Automatic

Part no. A6519007500-21

Mercedes SLK R172 250CDI OM651.980 Engine Control Unit ECU A6519007500 Automatic

£66.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C205 Cable Contact Guide Battery Clamp Unit A2055450901

Part no. A2055450901

Mercedes C205 Cable Contact Guide Battery Clamp Unit A2055450901

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W213 E400d OM656.929 Diesel Engine ECU Kit A6569000200 Automatic

Part no. A6569000200-1

Mercedes W213 E400d OM656.929 Diesel Engine ECU Kit A6569000200 Automatic

£474.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698203575

Part no. A1698203575

Mercedes W169 W245 Aerial Roof Antenna Radio Control Unit Module A1698203575

£75.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 A250 M270.920 Engine Control Unit ECU Kit A2709002100 Manual

Part no. A2709002100-11

Mercedes W176 A250 M270.920 Engine Control Unit ECU Kit A2709002100 Manual

£427.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Battery Cable Mercedes W176 W246 Terminal Starter Wiring Harness A2465405933

Part no. A2465405933

Battery Cable Mercedes W176 W246 Terminal Starter Wiring Harness A2465405933

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes E-Class W211 S211 Front Right Door O/S Window Lifter Motor Regulator

Part no. A2118203042

Mercedes E-Class W211 S211 Front Right Door O/S Window Lifter Motor Regulator

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes SLK R172 C217 W222 Air Quality Sensor Unit A2229051300

Part no. A2229051300

Mercedes SLK R172 C217 W222 Air Quality Sensor Unit A2229051300

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C118 W177 W247 Keyless Go Module ECU Entry Control Unit A1679007012

Part no. A1679007012

Mercedes C118 W177 W247 Keyless Go Module ECU Entry Control Unit A1679007012

£47.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Electrical Cable Mercedes R172 Transmission To Body Wiring Harness A1725400035

Part no. A1725400035

Electrical Cable Mercedes R172 Transmission To Body Wiring Harness A1725400035

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 Digital Radio Multifunction Display Screen Navi A2059006945

Part no. A2059006945

Mercedes W205 Digital Radio Multifunction Display Screen Navi A2059006945

£199.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Front Fuse Box Relay Control Unit Module A2215405550

Part no. A2215405550

Mercedes W221 Front Fuse Box Relay Control Unit Module A2215405550

£284.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 Door Harness Loom Cable Wiring Rear Right A2465404300

Part no. A2465404300

Mercedes W176 Door Harness Loom Cable Wiring Rear Right A2465404300

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes Benz M-Class ML W164 Control Unit Module SAM Bracket Mount A1645401673

Part no. A1645401673

Mercedes Benz M-Class ML W164 Control Unit Module SAM Bracket Mount A1645401673

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes-Benz A B W169 W245 Front Right O/S Door Wiring Cable Harness Loom

Part no. rhd-A1695407805

Mercedes-Benz A B W169 W245 Front Right O/S Door Wiring Cable Harness Loom

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C205 Door Wiring Front Door Left N/S wiring Harness A2054406633

Part no. A2054406633

Mercedes C205 Door Wiring Front Door Left N/S wiring Harness A2054406633

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Wiring Loom Vito Mercedes W639 Front Door Cable Left Right N/O/S A6395406609

Part no. A6395406609

Wiring Loom Vito Mercedes W639 Front Door Cable Left Right N/O/S A6395406609

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes GLC X253 Coupe Busbar Current Voltage Rail Battery Strip A2055452301

Part no. rhd-A2055452301

Mercedes GLC X253 Coupe Busbar Current Voltage Rail Battery Strip A2055452301

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Door Module Mercedes ML W166 C292 Rear Right O/S Door Control Unit A1669006507

Part no. A1669006507

Door Module Mercedes ML W166 C292 Rear Right O/S Door Control Unit A1669006507

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W212 Roof Antenna Amplifier Shark Selenite Grey - 992 A2128270228

Part no. A2128270228-SEL

Mercedes W212 Roof Antenna Amplifier Shark Selenite Grey - 992 A2128270228

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 Sat Nav Radio CD Player Radio Head Unit A2049005410

Part no. A2049005410

Mercedes W204 Sat Nav Radio CD Player Radio Head Unit A2049005410

£56.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Distributor Box Mercedes W169 W245 Connector Block Control Unit A0045467840

Part no. A0045467840

Distributor Box Mercedes W169 W245 Connector Block Control Unit A0045467840

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Alternator Cable Mercedes W212 OM651 Battery Prefuse Box A2124408955

Part no. rhd-A2124408955

Alternator Cable Mercedes W212 OM651 Battery Prefuse Box A2124408955

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes Vito W639 Sound Audio Amplifier Control Unit Module A6398201689

Part no. A6398201689

Mercedes Vito W639 Sound Audio Amplifier Control Unit Module A6398201689

£237.95

Free delivery - Mon, Dec 22

If paid before 14:00

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Mercedes W207 Locking System Control Unit Module Wiring Cable A2074402307

Part no. RHD-A2074402307

Mercedes W207 Locking System Control Unit Module Wiring Cable A2074402307

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W221 Petrol Display Instrument Cluster Speedo Automatic A2218206289

Part no. RHD-A2218206289

Mercedes W221 Petrol Display Instrument Cluster Speedo Automatic A2218206289

£237.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Unit Mount Mercedes W906 Gateway Control Module ECU Support A9065420240

Part no. A9065420240

Unit Mount Mercedes W906 Gateway Control Module ECU Support A9065420240

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W213 Rear Bumper PDC Assist Wiring Harness Loom Cable A2135406503

Part no. A2135406503

Mercedes W213 Rear Bumper PDC Assist Wiring Harness Loom Cable A2135406503

£61.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Seat Adjustment Motor Mercedes W220 W221 Front Right Actuator O/S A2208204942

Part no. A2208204942-1

Seat Adjustment Motor Mercedes W220 W221 Front Right Actuator O/S A2208204942

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Battery Cable Mercedes W177 W247 Negative Lead Terminal Harness A0009051910

Part no. A0009051910

Battery Cable Mercedes W177 W247 Negative Lead Terminal Harness A0009051910

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W166 Parking Module PDC Distance Control Unit Sensor A1669001703

Part no. A1669001703

Mercedes W166 Parking Module PDC Distance Control Unit Sensor A1669001703

£66.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes GLC 220d X253 Air Conditioning Climat A/C Control Module A2059001240

Part no. A2059001240

Mercedes GLC 220d X253 Air Conditioning Climat A/C Control Module A2059001240

£27.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W197 C216 C217 Rear Antenna Aerial Amplifier A2168200975

Part no. A2168200975

Mercedes W197 C216 C217 Rear Antenna Aerial Amplifier A2168200975

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes GLA X156 Air Module Safety Belt Tensioner Unit Control A1179008700

Part no. A1179008700

Mercedes GLA X156 Air Module Safety Belt Tensioner Unit Control A1179008700

£80.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W207 E350 OM642.838 Engine Control Unit ECU Kit A6421508900 Automatic

Part no. A6421508900-6

Mercedes W207 E350 OM642.838 Engine Control Unit ECU Kit A6421508900 Automatic

£379.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Negative Battery Terminal Mercedes C117 W176 W246 Lead Connector A1175450800

Part no. A1175450800

Negative Battery Terminal Mercedes C117 W176 W246 Lead Connector A1175450800

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes SLK R172 Roadster Soft Top Folding Roof Control Module A1729003406

Part no. A1729003406

Mercedes SLK R172 Roadster Soft Top Folding Roof Control Module A1729003406

£66.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Head Unit Mercedes W447 Radio Navigation Audio 15 Control Unit A4479002405

Part no. A4479002405

Head Unit Mercedes W447 Radio Navigation Audio 15 Control Unit A4479002405

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Antenna Amplifier Mercedes X117 W176 W205 Rear Aerial Module A2469064201

Part no. A2469064201

Antenna Amplifier Mercedes X117 W176 W205 Rear Aerial Module A2469064201

£28.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes R170 Fuse Distribution Box Junction Fuse Relay A1705450301

Part no. A1705450301

Mercedes R170 Fuse Distribution Box Junction Fuse Relay A1705450301

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C205 C253 Air Module Control Unit SRS A2059009445

Part no. A2059009445

Mercedes C205 C253 Air Module Control Unit SRS A2059009445

£75.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C118 Front Door Left Right N/O/S Electrical Wiring Harness A1185407902

Part no. rhd-A1185407902

Mercedes C118 Front Door Left Right N/O/S Electrical Wiring Harness A1185407902

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 W213 Front Battery Box Tray Housing Cover Trim Panel A2056201502

Part no. rhd-A2056201502

Mercedes W205 W213 Front Battery Box Tray Housing Cover Trim Panel A2056201502

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W176 W204 W246 Fuse Relay 4-Pin Unit Black Hella SET X2 A0009827723

Part no. A0009827723-1

Mercedes W176 W204 W246 Fuse Relay 4-Pin Unit Black Hella SET X2 A0009827723

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 C 200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Key Lock

Part no. A6519007500-11

Mercedes W204 C 200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Key Lock

£142.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500

Part no. A1729008500-2

Mercedes W166 W204 Display Screen Information Navigation Dashboard A1729008500

£94.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W906 Automatic Gearbox Transmission Module Control Unit ECU A0009006304

Part no. A0009006304

Mercedes W906 Automatic Gearbox Transmission Module Control Unit ECU A0009006304

£32.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes C216 W221 Rear Bumper Parking Assist PDC Wiring Harness A2214401908

Part no. A2214401908

Mercedes C216 W221 Rear Bumper Parking Assist PDC Wiring Harness A2214401908

£23.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2139068701

Part no. A2139068701

Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Fuse Unit A2139068701

£47.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes X253 Wiring Harness Cable Loom A2535402910

Part no. A2535402910

Mercedes X253 Wiring Harness Cable Loom A2535402910

£42.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W164 Suspension Compressor Relay A0009828523

Part no. A0009828523

Mercedes W164 Suspension Compressor Relay A0009828523

£13.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W213 Trunk Tailgate Rear Switch Sensor Module A2229059004

Part no. A2139052403

Mercedes W213 Trunk Tailgate Rear Switch Sensor Module A2229059004

£37.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W204 Radio Player Comand Navi CD Head Unit A2049061002

Part no. A2049061002-4

Mercedes W204 Radio Player Comand Navi CD Head Unit A2049061002

£170.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W169 A160 M266.920 95HP Engine ECU Kit A0024463140 + 2 Keys + Lock

Part no. A0024463140-2

Mercedes W169 A160 M266.920 95HP Engine ECU Kit A0024463140 + 2 Keys + Lock

£218.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W251 Positive Battery Cable Lead Wire Starter A2515400130

Part no. A2515400130

Mercedes W251 Positive Battery Cable Lead Wire Starter A2515400130

£18.95

Free delivery - Fri, Dec 19

If paid before 14:00

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Mercedes W177 Door Cable Wiring Harness Loom Front Right O/S A1715405520

Part no. rhd-A1715405520

Mercedes W177 Door Cable Wiring Harness Loom Front Right O/S A1715405520

£44.95

Free delivery - Fri, Dec 19

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Mercedes W221 Bluetooth Hands Free Mobile Phone Adapter Connector A2218201811

Part no. A2218201811-2

Mercedes W221 Bluetooth Hands Free Mobile Phone Adapter Connector A2218201811

£47.95

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Mercedes W204 Coupe Door Module Front Left N/S Control Unit A2049001206

Part no. A2049001206

Mercedes W204 Coupe Door Module Front Left N/S Control Unit A2049001206

£13.95

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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.
  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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