SmartKey

See also:

Fuse box in the battery case
The fuses in the battery case do not usually need to be replaced. If a fuse change is necessary, consult a qualified specialist workshop. ...

Off-road driving systems
4MATIC (permanent four-wheel drive) 4MATIC ensures that all four wheels are permanently driven. Together with ESP® and 4ETS, it improves the traction of your vehicle whenever a drive wheel spins d ...

Useful information
This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences are ...