See also:

Activating/deactivating Lane Keeping Assist
You can use the Lane Keep. Asst. function to activate/deactivate Lane Keeping Assist (Y page 200) or Active Lane Keeping Assist. – Press the or button on the steering wheel to select the Dri ...

Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to have ...

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 due to insufficient grip. WARNING&nb ...