See also:

4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are permanently driven. Together with ESP®, it improves the traction of your vehicle whenever a drive wheel spins due to insufficient grip. WARNING If a ...

How the occupant classification system works
The Occupant Classification System (OCS) categorizes the occupant on the frontpassenger seat by means of a weight sensor. The front-passenger front air bag is deactivated automatically for cert ...

Applying/releasing manually
To apply: press handle 1. The red (USA only) or (Canada only) indicator lamp in the instrument cluster lights up. The electric parking brake can also be applied when the SmartKey is remov ...