Smart Key functions
See also:
Call priority
When service calls are active, e.g. Roadside
Assistance or MB Info calls, an emergency
call can still be initiated. In this case, an
emergency call will take priority and override
all other ac ...
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 ...
DEF
Important safety notes
For BlueTEC vehicles only.
DEF is a non-flammable, non-toxic, colorless,
odorless and water-soluble fluid.
Only use DEF that complies with
ISO 22241. Do not add any ...
