Important information
WARNING
When the climate control system is
deactivated, the outside air supply and
circulation are also deactivated. Only choose
this setting for a short time. Otherwise the
windows could fog up, impairing visibility and
endangering you and others.
Switch on climate control
primarily using
the 
button
See also:
Notes on using dual-zone automaticclimate control
The following contains notes and
recommendations on optimum use of dualzone
automatic climate control.
• Activate climate control using the
and
buttons. The indicator lamps in the
and
but ...
Snow chains
For safety reasons, Mercedes-Benz
recommends that you only use snow chains
which have been specially approved for your
vehicle by Mercedes-Benz, or are of a
corresponding standard of quality.
...
Servicing the brakes
If the red brake warning lamp lights up in
the instrument cluster and you hear a
warning tone while the engine is running,
the brake fluid level may be too low.
Observe additional warning messa ...