See also:

Overview
The new Mercedes-Benz C-Class will be launched in spring 2011 and is a comprehensive modernisation. The front and rear sections of this best selling model have a more striking design. There is now ...

Purity
Assuring the purity of DEF is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. If DEF is pumped out of the DEF tank, e.g. during repair wor ...

Important safety notes
While the vehicle is in motion, the tire pressure loss warning system monitors the set tire pressure using the rotational speed of the wheels. This enables the system to detect significant pre ...