See also:

Important safety notes
Service products include the following: fuels (e.g. gasoline, diesel) lubricants (e.g. engine oil, transmission oil) coolant brake fluid windshield washer fluid Vehicle components and t ...

Remote vehicle locking
If you forget to lock your vehicle but are no longer in the vicinity of the vehicle, it can be locked for you by the Mercedes-Benz Customer Assistance Center. The vehicle can be locked remotely ...

Unlocking the driver's door (mechanical key)
If the vehicle can no longer be 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 will be trigg ...