See also:

Entering a point of interest in the vicinity of the current position
Select Current Position and press to confirm. Continue with assigning the point of interest category. ...

Cleaning the steering wheel and gear or selector lever
– Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...

Refrigerant of the air-conditioning system
The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant. Never use refrigerant R 12 (CFC) or mineral lubricants. Otherwise, you could damage the air-condition ...