Engine

See also:

Activating/deactivating the residual heat function
The "residual heat" function is only available in Canada. It is possible to make use of the residual heat of the engine to continue heating the stationary vehicle for up to 30 minutes ...

Notes on technical data
The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

Unlocking the driver's door (mechanical key)
If the vehicle can no longer be centrally unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system wil ...