Mercedes-Benz M646 4 Cylinder CDI Engine ECU Repair

We offer a repair service for your Mercedes M646 ECU engine ECU. This engine ECU is commonly fitted to the 4 Cylinder Diesel W639 Vito and W906 sprinter. It is common for this module to fail resulting in the engine not starting (no crank). It is also common for this ECU to loose communication with all other modules and diagnostic tool when the ECU is faulting. Our service includes repair of all known issues, often fitting higher rated components to ensure reliability of this ECU into the future.  We also stock reconditioned exchange modules that can be programmed to your vehicle if your ECU is damaged beyond repair. All ECU repairs come with a 12 month unlimited km warranty.

Common symptoms include:

Car won’t start cold (no crank)
No communication with engine ECU
Engine won’t crank when hot
Engine fan runs at full speed when ignition is switched on.

Common fault codes are :

No Communication with ECU

Common part numbers are:

A 6469002700 , A 6469002000 , A 6469006600 , A 6111533679 , A 6111536179 , A 6111534979 , A 6111535079 , A 6111535379 , A 6111535579 ,  A 6111535679 , A 6461502072 , A 6461503734 , A 6461506372 , A 6461506172 , A 6461500977 , A 6461500678 , A 6469002900

Total repair cost is $650 Inc GST 
Workshops with a ABN please contact us for trade pricing   

Please do not erase the fault memory prior to sending us your unit, if the fault memory has been cleared please ensure you include a detailed description and paper work with all the fault codes that were present before they were erased.