See also:

Vehicle remote closing
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 ...

Center console, lower section
  ...

Checking tire pressure manually
To determine and set the correct tire pressure, proceed as follows: Remove the valve cap of the tire that is to be checked. Press the tire pressure gauge securely onto the valve. Read the ...