Low outside temperatures
DEF freezes at a temperature of approximately 12 °F (–11 °C). The vehicle is equipped with a DEF preheating system when it leaves the factory. Winter operation is therefore also guaranteed at temperatures below 12 °F (–11 °C).
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 ...
Safety systems
Display messages
Possible causes/consequences and
Solutions
Risk of accidentThe brake boosting effect is
malfunctioning and the braking characteristics may be affec ...
Emergency call
Important safety notes
A license agreement must exist in order
to activate the mbrace service. Ensure that
your system is activated and ready for use,
and press the
MB Info call button ...