See also:

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. ...

Maximum tire pressure
WARNING Never exceed the maximum tire inflation pressure. Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, advers ...

Important safety notes
Important safety notes Do not leave the SmartKey in the cargo compartment. You could otherwise lock yourself out WARNING   When leaving the vehicle, always remove the SmartKey from the ...