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:
Unlocking the trunk (Sedan)
The trunk lid swings upwards when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
If the trunk cannot be unlocked with the
SmartKey or KEYLESS-GO, use the
...
Trailer towing
PARKTRONIC is deactivated for the rear area when you establish an electrical
connection between your vehicle and a trailer.
Fold in the ball coupling if the trailer tow hitch is not required. PA ...
Engine
Display messages
Possible causes/consequences and
Solutions
The coolant level is too low.
– Add coolant, observing the warning notes when doing so.
– If coolant needs ...