See also:

Underinflated tires
WARNING Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and are more ...

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-condit ...

2011 Mercedes-Benz CL-Class Review by Warren Brown
Something happened on my way to Earth, the intended destination of this week's column in terms of reviewing a vehicle affordable for most of us. I was hit by a meteor - a hot, shapely, pricey piec ...