See also:

SmartKey
Display messages Possible causes/consequences and Solutions You have put the wrong SmartKey in the ignition lock. – Use the correct SmartKey. The Sma ...

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 Assi ...

Socket in the rear-compartment center console
Pull cover 2 out by its top edge. X Lift up the cover of socket 1. ...