Welcome lamps
When parking the vehicle, leave the switch in
position 
or
: the parking and interior
lamps light up briefly when the vehicle is unlocked.
Activating/deactivating
1. "Settings"
2. "Lighting"
3. "Welcome light"
The setting is stored for the remote control currently in use.
See also:
Malfunction
A message is displayed in the instrument cluster.
HDC is not available, e.g., due to elevated
brake temperatures. ...
Oil change
An oil change should be carried out by your
service center only.
...
The concept
The automatic engine start-stop function helps
save fuel. The system switches off the engine
during a stop, e. g., in a traffic congestion or at
traffic lights. The ignition remains switched on. ...