See also:

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 ...

SmartKey battery
Important safety notes It is advisable to have batteries replaced at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. WARNING   Batteries contain toxic and c ...

INTERIOR
In stark contrast to the fresh, forward-thinking exterior styling, the CLS550's interior comes off as stodgy and conservative. Frankly, it's got quite the boys-club feel inside. No luxury has been ...