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:
Safety, Reliability & Mileage
Because the E-Class has been redesigned, we don't yet have predicted
reliability ratings for this model. Furthermore, the 2010 E-Class hasn't yet
been crash-tested by our preferred source, the Ins ...
Control panel for 3-zone automatic climate control
Canada only
Front control panel
1. To set climate control to automatic
2. To defrost the windshield
3. To switch the ZONE function on/off
4. Display
5. To activate/deactivate air-r ...
Additives
Do not use any additives in the
engine oil.
This could damage the engine. ...