Setting the airflow
Turn the SmartKey to position
2 in the
ignition lock.
To increase/reduce: press
the 
or
button.
You can use automatic climate
control to
set the airflow in the rear compartment
separately.
See also:
Refrigerant of the air-conditioning system
The air-conditioning system is filled with
R134a refrigerant and a special PAG
lubricant.
Never use refrigerant R 12 (CFC)
or
mineral lubricants. Otherwise, you could
damage the air-condit ...
Snow chains
For safety reasons, Mercedes-Benz
recommends that you only use snow chains
that have been specially approved for your
vehicle by Mercedes-Benz, or are of a
corresponding standard of quality.
...
Tires
WARNING
Do not drive with a flat tire. A flat tire affects the ability to steer or brake
the vehicle. You may
lose control of the vehicle. Continued driving with a flat tire will cause ...