Accepting a call
If someone calls you when you are in the Tel menu, a display message appears in the multifunction display, for example:
•► Press the 
button on the
steering
wheel to accept an incoming call.
If you are not in the Tel menu, you can still accept a call.
See also:
SRS warning lamp
SRS functions are checked regularly when
you switch on the ignition and when the
engine is running. Therefore, malfunctions
can be detected in good time.
The SRS warning lamp in the
instrume ...
Storing the current speed or calling up
the last stored speed
WARNING
The set speed stored in memory should only
be set again if prevailing road conditions and
legal speed limits permit. Possible
acceleration or deceleration differences
arising from r ...
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 ...