Mercedes Common ECU Faults

This 7G-Tronic control module is a very common failure that causes a jerky and slow gear change or a complete failure to select gears. This will also cause fault codes to be stored for turbine speed sensors and RPM sensors.

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.

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

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.

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...

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

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

Mercedes Products/ Services

A-CLASS

B-CLASS

C-CLASS

CLC-CLASS

CLK

CLS

E-CLASS

GL-CLASS

M-CLASS

R-CLASS

S-CLASS

SL-CLASS

SLK

SPRINTER

VANEO

V-CLASS

VIANO

VITO