What is the design and purpose of electronic control modules and controllers?

Electronic control modules and controllers are electronic components responsible for supervising specific vehicle systems. A typical element consists of a housing, an electronic circuit board, connectors, and software that records the logic of operation. These modules are mounted in various places in the car, depending on the function and design of the installation. Their purpose is to process signals and control the operation of other elements in a way that is consistent with the vehicle's configuration.

What are electronic control modules and controllers used for?

Electronic control modules and controllers are used to manage the operation of the engine, transmission, braking system, comfort equipment, and other car systems. They receive data from sensors, analyze it, and send commands to actuators. Without their proper operation, many vehicle functions may work incompletely, unstably, or in emergency mode.

What role does the data bus play in the operation of controllers?

A data bus is a communication system connecting many modules in a single vehicle. It is used to transmit information between controllers without the need to run a separate wire for every function. Thanks to this, cooperation between the engine ECU, ABS, comfort module, and other systems in real-time is possible. When diagnosing a fault, one must therefore consider not only the controller itself but also the communication between modules.

How to choose the right controller for a specific car?

The safest way is to compare the OEM number, manufacturer part number, engine version, fuel type, and transmission type. In many models, the body version, production year, equipment, and connector type also matter. For electronic parts, it is also worth checking whether a given module requires adaptation or coding after installation.

What symptoms may indicate a problem with a module or controller?

Typical symptoms include errors recorded in diagnostics, lack of communication with a given system, incorrect operation of windows, locks, fans, ABS, or the engine. It also happens that the car enters emergency mode or experiences periodic loss of functions. Similar symptoms may also result from a damaged wiring harness, poor power supply, or problems with a connector.

What should be checked before installing a used module?

Before installation, it is worth checking the condition of the housing, pins, and sockets, as well as the compatibility of markings with the removed element. A good practice is to compare interchangeable numbers and ensure that the car has the same equipment as the donor vehicle. After installation, coding, adaptation, or clearing errors in the controller may be necessary.

Electronic control modules and controllers

At Globalparts, we offer a wide selection of original used electronic control units and ECUs for many popular car brands, including BMW, MINI, Mercedes, Audi, Volkswagen, and others. Our original electronic control units and ECUs ensure reliability, performance, and full compatibility with your vehicle.

More information

Make

Mercedes X156 GLE W166 Surround View Camera Control Unit Module A1569003303

Product currently unavailable

Part no. A1645409262

Mercedes W164 W251 Rear SAM Fuse Box Control Unit Module A1645409262

Product currently unavailable

Part no. A2059006222

Mercedes W205 Head Radio CD Player Navi Interface Control Unit A2059006222

Product currently unavailable

Part no. A6421508900-8

Mercedes W221 S350 BlueTEC OM642.862 Engine ECU Kit Ignition + Key A6421508900

Product currently unavailable

Part no. A2229002921

Mercedes W205 W213 Head Unit Navigation Radio DAB High Control Unit A2229002921

Product currently unavailable

Part no. A6519003203-3

Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519003203 Manual

Product currently unavailable

Part no. A2069055100

Mercedes C118 W167 W177 W206 W247 Stereo Amplifier Harman Kardon A2069055100

Product currently unavailable

Part no. A6461507272-1

Mercedes W639 109CDI 646.980 Engine ECU Kit Ignition + Key + Lock A6461507272

Product currently unavailable

Part no. A2711504279

Mercedes W204 C180 156HP Kompressor M271.910 Engine ECU A2711504279 Manual

Product currently unavailable

Part no. A6421509478-3

Mercedes W164 ML320 OM642.940 224 HP 4Matic Engine ECU Kit A6421509478 Automatic

Product currently unavailable

Part no. A9069000004

Mercedes Sprinter W906 Radio Player CD Audio 10 Stereo Head Unit A9069000004

Product currently unavailable

Part no. A2218208789

Mercedes W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103

Product currently unavailable

Part no. A6429002900-9

Mercedes W164 ML350 CDI OM642.820 231HP Engine Control Unit ECU A6429002900

Product currently unavailable

Part no. A2125452640

Mercedes W212 Control Unit Module Bracket Holder Mount A2125452640

Product currently unavailable

Part no. A2539000100

Rain Light Sensor Mercedes X253 Windschield Sensor Module Unit A2539000100

Product currently unavailable

Part no. A1729006609

Mercedes SLK R172 Radio CD Player Sat Nav Comand Head Unit A1729006609

Product currently unavailable

Part no. A2539003809

Mercedes W253 Display Screen Monitor Radio Sat Nav Navigation Unit A2539003809

Product currently unavailable

Part no. A1718200386-1

Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200386

Product currently unavailable

Part no. A6421508900

Mercedes-Benz S W221 S350 CDI BlueTec OM642 Engine Control Unit ECU A6421508900

Product currently unavailable

Part no. A1669006020

Mercedes W166 Front SAM BCM Control Unit Module CBC V4 ECU A1669006020

Product currently unavailable

Mercedes S212 Rear Antenna Amplifier Panel Door Top Left N/S A2129053506

-1%

Part no. A2129053506

Mercedes S212 Rear Antenna Amplifier Panel Door Top Left N/S A2129053506

Product currently unavailable

Part no. A2229009915

Keyless Module Mercedes W205 W213 ECU Door Lock Control Unit A2229009915

Product currently unavailable

Part no. A1669003708

Mercedes W166 Hatch Tailgate Central Module Locking Control ECU A1669003708

Product currently unavailable

Part no. A6461508391-1

Mercedes W639 111CDI OM646 109HP Engine Control ECU Kit A6461508391 Automatic

Product currently unavailable

Part no. A0265456532-1

Mercedes W210 E240 112.911 170HP Engine ECU Kit A0265456532 Automatic Key Lock

Product currently unavailable

Part no. A2469002718-1

Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469002718

Product currently unavailable

Part no. A0015429018

Yaw Sensor Mercedes W210 W220 ESP Rotation Rate Control Unit Module A0015429018

Product currently unavailable

Part no. A1179006000

Camera Module Mercedes W156 W176 Reversing Rear View Control Unit A1179006000

Product currently unavailable

Part no. A0075451432

ECU Mercedes W124 E280 M103.940 Engine Control Unit Automatic Jetronic

Product currently unavailable

Part no. A2139063605

SD Card Mercedes W205 C238 Garmin Map Pilot Navigation Europe A2139063605

Product currently unavailable

Mercedes W221 Bluetooth Hands Free Mobile Phone Adapter Connector A2218201811

-40%

Part no. A2218201811-2

Mercedes W221 Bluetooth Hands Free Mobile Phone Adapter Connector A2218201811

Product currently unavailable

Part no. A2048204697-1

Mercedes W204 Dashboard Navigation Central Display Screen Monitor A2048204697

Product currently unavailable

Part no. A1645407901

Mercedes V251 Gateway Module Control Unit ECU A1645407901

Product currently unavailable

Part no. A2079005400

Mercedes W204 W207 C218 W212 E220 Navigation 20 Control Module Unit A2079005400

Product currently unavailable

Part no. A1729002601

Mercedes SLK R172 Door Control Unit Module Front Right O/S A1729002601

Product currently unavailable

Part no. 237104559R

Mercedes W415 111 CDI OM607.951 110HP Engine ECU Control Unit 237104559R Manual

Product currently unavailable

Part no. A2479006213

Head Unit Mercedes CLA C118 W907 Sat Nav Radio Media Player Unit A2479006213

Product currently unavailable

Part no. A6519009302-2

Mercedes W639 113 CDI 651.940 136HP Engine Module ECU Kit A6519009302 Key Lock

Product currently unavailable

Part no. A1635409008

Mercedes-Benz M ML W163 Radio Aerial Antenna Amplifier Wiring Loom A1635409008

Product currently unavailable

Part no. A1648200185

Mercedes W164 W251 Rain Sensor Module Control Unit A1648200185

Product currently unavailable

Part no. A1669003712

Mercedes ML W166 SAM Module Control Unit ECU A1669003712

Product currently unavailable

Part no. A6461505072-1

Mercedes W211 E220 CDI 646.821 170HP Engine ECU Kit A6461505072 Ignition + Key

Product currently unavailable

Part no. A2219001101

Mercedes W221 Door Control Unit Module Front Right O/S A2219001101

Product currently unavailable

Part no. A6121536379-1

Mercedes-Benz ML W163 270 CDI Engine Control ECU Kit A6121536379 Key Automatic

Product currently unavailable

Part no. A2469016002-1

Display Screen Mercedes W176 W246 Central Information Dashboard Dash A2469016002

Product currently unavailable

Part no. A2049018201

Mercedes W204 C207 W212 W218 Navigation Control Unit Module A2049018201

Product currently unavailable

Part no. A6401501891-1

Mercedes W169 W245 A200 B200 CDI OM640.941 140HP Engine ECU Kit Key A6401501891

Product currently unavailable

Part no. A0305454632

Mercedes-Benz M-Class ML W163 Gearbox Transmission Control Unit ECU A0305454632

Product currently unavailable

Part no. A2098205226

Mercedes CLK C209 Rear Body Control Module Unit BCM ECU A2098205226

Product currently unavailable

Part no. A2139062201-1

Mercedes W213 Bonnet Actuator Pedestrian Protection Left Right N/O/S A2139062201

Product currently unavailable

...

Showing 2080-2129 of 2129 products