See also:

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 ...

Safety
The 2012 M-Class was deemed a Top Safety Pick by the Insurance Institute for Highway Safety, meaning it received the top score of Good in front- and side-impact crash tests, as well as for roof st ...

Premiere: Active Blind Spot Assist and Active Lane Keeping Assist
Assistance systems are becoming increasingly important these days, providing support for drivers as they perform a complex activity. In the new Mercedes CLS, for example, proven technologies like ...