Setting the side air vents

•► To open/close: turn thumbwheel 3 up or down.
Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut.
See also:
Additional systems for the ultimate in listening pleasure and entertainment
Mercedes customers can, if desired, combine the infotainment facilities for
the CLS with other systems:
The Logic7 surround sound system developed by Mercedes-Benz together with the
audio specia ...
Tailgate emergency release
If the tailgate can no longer be opened from outside the vehicle, use the emergency
release on inside of the tailgate.
Take the mechanical key out of the SmartKey ().
To open the tailgate com ...
High outside temperatures
If DEF heats up to over 122 °F (50 °C) for
extended periods, e.g. as a result of direct
sunlight on the DEF reservoir, DEF can
decompose. Ammonia vapors develop as a
result.
WARNING
When o ...
