Mercedes-Benz R-Class
R-Class is a 4-door, up to 7-passenger luxury sport-utility.
See also:
Vehicle
Activating/deactivating the automatic
door locking feature
If you select the Automatic Door Lock:
function, the vehicle is centrally locked above
a speed of around 9 mph (15 km/h).
For fur ...
Problems with the SmartKey
Problem
Possible causes/consequences and
Solutions
You cannot lock or unlock the vehicle using
the SmartKey.
The SmartKey battery is discharged or nearly discharged.
...
Changing the battery
You require a CR 2025 3 V cell battery.
- Take the mechanical key out of the
SmartKey.
- Press mechanical key 2 into the opening
in the SmartKey in the direction of the
arrow until battery t ...