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Mercedes Common ECU Faults

Mercedes A Class ECU & Air Mass/Flow Meter


This ECU is a very common fault for the Mercedes A Class, it causes the engine management light to come on and fault code for the Air Mass/Flow Meter to be stored in the ECUs memory. This fault can cause the engine to run rough and idle poorly, click here for further details.

Mercedes Sprinter ABS Pump (Return Pump Fault)


Very common fault causes the ABS lights to illuminate with fault code "C1401 - RETURN PUMP FAULT".

Mercedes S / E Class Dash/Dashboard Instrument Cluster


Complete loss of back lighting. We are currently rebuilding customers own units with a 2 year warranty, this is a very common failure for the Mercedes S & E Class instrument cluster.

Mercedes A-Class Automatic gearbox ECU


This is a common problem causing the F light to appear on the dash and the gears feel as though they are banging in to place...

Mercedes E220, E270 & E320 Turbo Actuator Fault


Causes the engine to loose power intermittently, but rectifies when ignition is turned off. The fault always becomes more permanent with time.

Mercedes Sprinter CDI Turbo Actuator fault


Common problem for all Sprinters built after 2007, causes the engine to loose power intermittently.