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 2nd generation 7G-Tronic conductor plate / TCM will cause gears to stick or simply prevent any gear selection at all, leaving you with an undriveable vehicle and a 'Transmission Malfunction' message on the dashboard...

This is a very common failing gearbox ECU for the A Class (W169) with the CVT gearbox, common symptoms include; fault codes stored for RPM sensors, loss of correct gear selection or stuck in gear and "transmission visit workshop" displayed on the dashboard. We are able to rebuild your own unit with an unlimited mileage lifetime warranty...

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.

Common ABS pump and module failure for C-Class W204 range will cause the ABS warning light to illuminate and store fault codes for 'internal fault'

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

Affecting the C-Class W203 and pre-facelift W204 this gear selector will cause problems preventing selection of any forward or reverse gears until the ignition is cycled, the gear selector position will not be shown on the gear display...

Complete loss of back lighting. We are currently rebuilding customers own units with an unlimited mile 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.

Common failure for the 1st generation (W168) A-Class which will cause problems in gear selection and even limp mode...

Mercedes Products/Services

A-CLASS

B-CLASS

C-CLASS

CLC-CLASS

CL-CLASS

CLK

CLS

E-CLASS

GLC-CLASS

GL-CLASS

G-WAGEN

M-CLASS

ML-CLASS

R-CLASS

S-CLASS

SL-CLASS

SLK

SPRINTER

VANEO

V-CLASS

VIANO

VITO