Hiding a service message
Press the 
or
button on the
steering wheel.
See also:
Roadside Assistance button
Press and hold Roadside Assistance
button 1 for more than two seconds. This initiates a call to the Mercedes-Benz
Customer Assistance Center. The indicator lamp in Roadside Assistance but ...
Heavy and light loads
WARNING
Depressing the brake pedal constantly results
in excessive and premature wear to the brake
pads.
It may also cause the brakes to overheat,
seriously impairing their effectiveness. It ...
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 ...