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 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 ECU’s 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
Common failure:
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 CLK320 Roof Contoller
Common failure for the CLK320, causes the electric roof fuse to blow due to excessive current draw. Part No’s. A2088000230 / A2088001748
 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.
 Mercedes misfiring ECU fault:
This is a very common fault with the VDO ECU (engine ECU) fitted to the E320 and various other models. The problem is with the coil drivers inside the ECU failing thus causing the engine to misfire.
 Mercedes 1992 onwards with distributorless ignition systems made by Bosch, Siemens & VDO.
Engine misfires on two cylinders
This is caused a faulty engine ECU that loses its driver signal to part of the ignition coil, this is a very common problem at the moment and affects all models. It is assential that the ignition coils are replaced as the new or repaired engine control unit will blow again if the old coils are left in place.
The VDO unit is a larger metal unit with two multi plugs located at the top
The Bosch & Siemens units are small black & plastic.
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