See also:

General information
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 ...

MB Info call button
► Open the stowage compartment under the armrest. ► Press and hold MB Info call button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistanc ...

Activating/deactivating the residual heat function
The residual heat function is only available in vehicles for Canada with automatic climate control. It is possible to make use of the residual heat of the engine to continue heating the stati ...