See also:

PSI (pounds per square inch)
A standard unit of measure for tire pressure. ...

Muscular Moves
Shortly after last year's GL450 arrived, Mercedes introduced a diesel GL320 CDI; click here to compare the 2008 GL-Class with the 2007 model. Thanks to the higher efficiency of its diesel engine, ...

Switching the ECO function on/off
The ECO start/stop function switches the engine off automatically if the vehicle is stopped under certain conditions. When pulling away again, the engine starts automatically. You can switch ...