General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.
Check the battery in the
SmartKey and replace it if necessary.
Unlock the driver's door using the
mechanical key.
Lock the vehicle using the
mechanical key.
Have the starter battery and the
battery contacts checked at a qualified specialist workshop.
If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.
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 ...
Back button
Press briefly:
- Back
- Switches off the Voice Control System
- Hides display messages or calls up the last Trip menu function used
- Exits the telephone book/redial memory
...
Socket in the front-compartment center console
To open: slide cover 1 forwards until it engages.
Lift up the cover of socket 2.
To close: press cover 1 briefly at the front. The cover moves back.
...