See also:

Exterior
On all C-Class models, wedge-shaped styling features a steep rake to the windshield and back window. A familiar Mercedes grille with a three-pointed star insignia atop the sculpted hood sits up fr ...

Multifunction steering wheel
  ...

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-conditio ...