Problems with the cooling with air dehumidification function
When you press the 
button, the
indicator lamp in the button flashes three
times or remains off. You can no longer switch
on the cooling with air dehumidification
function.
•► Consult a qualified specialist workshop.
See also:
Engine
Problem
Possible causes/consequences and •► Solutions
The yellow Check
Engine warning lamp
lights up while the
engine is running.
There may be a malfunction, for example: ...
Premium-grade unleaded gasoline
To ensure the longevity and full
performance of the engine, only premiumgrade
unleaded gasoline may be used.
If there is no premium-grade unleaded
gasoline available and regular-grade
un ...
Performance
Unlike most Mercedes, there is no V-6 option for the CLS. The model range
starts with the CLS550 and ends with the CLS63 AMG, with nothing in between.
That means you have the choice of either a 40 ...