Underinflated or overinflated tires

See also:

Side-impact protection thanks to intelligent bodyshell
Similar to the design of the front area of the new M-Class, the vehicle's intelligent bodyshell design also performs impressively in side-impact accident scenarios. The specific distribution of hi ...

Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. – Turn the SmartKey to position 2 (Y page 139) in the ignition lock. On vehicles with KEYLES ...

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