See also:

Roadside Assistance button
Open the stowage compartment under the armrest. Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center ...

Important notes on use
To function properly, BlueTEC exhaust gas aftertreatment must be operated with the reducing agent DEF. Adding DEF is one of the tasks performed during maintenance. Under normal operating condi ...

Folding the exterior mirrors in or outelectrically
► Make sure that the SmartKey is in position 1 or 2 in the ignition lock. ► Briefly press button 1. Both exterior mirrors fold in or out. Make sure that the exterior mirrors are ...