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:
Checklist before driving off-road
– Engine oil level: check the engine oil and
add oil if necessary.
When driving on steep gradients, the oil
level must be sufficiently high to ensure a
correct oil supply in the vehicle.
– DEF ...
SmartKey
0 To remove the SmartKey (shift the transmission to position P)
1 Power supply for some consumers, such as the windshield wipers
2 Ignition (power supply for all consumers) and drive position
3 T ...
Socket in the rear-compartment center
console
– Lift up the cover of socket 1.
Vehicles with the Rear Seat Entertainment
System have two sockets in the center
console in the rear compartment. ...