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:
System self-test
The indicator lamp
illuminates when you:
• turn the SmartKey to position 1 or 2 in the
ignition lock
• Rpress the KEYLESS-GO Start/Stop button
once or twice
If an adult occupant is properly s ...
Unlocking the driver's door (mechanical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be trigg ...
Change of address or change of ownership
In the event of a change of address, please
send us the "Change of Address Notice"
found in the Service and Warranty
Information Booklet, or simply call the
Mercedes-Benz Customer As ...