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, adversely affect handling and fuel economy, and are more likely to fail from being overheated.
Do not overinflate tires. Overinflated tires can adversely affect handling and ride comfort, wear unevenly, increase stopping distance, and result in sudden deflation (blowout) because they are more likely to become punctured or damaged by road debris, potholes etc.

1 Maximum permitted tire pressure (example)
The actual values for tires are specific to each vehicle and may deviate from
the values in the illustration.
When adjusting the tire pressures always observe the recommended tire pressure for your vehicle ().
See also:
Vehicle data, GL 550
The data stated here refers specifically to a
vehicle with standard equipment. Consult an
authorized Mercedes-Benz Center for the
data for all vehicle variants and trim levels.
...
Setting the side air vents
Setting the side air vents
To open/close: turn
thumbwheel 3 to the
left or right.
Side window defroster vent 1 is
never
completely shut, even if side air vent 2 is
shut. ...
2012 Mercedes-Benz CLS-Class Review by Carrie Kim
As I approached the all-new 2012 Mercedes-Benz CLS-Class, I was filled with a
mix of elation and bona-fide terror. It's similar to when you walk into a very
nice home and the first thing you say t ...
