See also:

Changing the settings of the locking system
You can change the setting of the locking system in such a way that only the driver's door and the fuel filler flap are unlocked. This is useful if you frequently travel on your own. To change ...

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 Assistance Center. The i ...

System self-test
If an adult occupant is properly sitting on the passenger seat and the OCS classifies the occupant as an adult, the indicator lamp illuminates and goes out again after approximately 6 seconds ...