See also:

Passenger cell: custom-designed floor panels and robust load-bearing sections
The passenger cell of the new CLS has been shown to be a structure which is virtually immune to deformation and which keeps the occupant space intact, even at high impact speeds, regardless of whe ...

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Inflating the collapsible spare wheel
WARNING Inflate the collapsible spare wheel only after the wheel is properly attached. Inflate the collapsible spare wheel using the tire inflation compressor before lowering the vehicle. ...