See also:

Low-beam headlamps
To switch on the low-beam headlamps: turn the SmartKey in the ignition lock to position 2 or start the engine. Turn the light switch to . The indicator lamp on the light switch lights up. ...

General notes
If the vehicle can no longer be unlocked with the SmartKey, use the mechanical key. If you use the mechanical key to unlock and open the driver's door, the anti-theft alarm system will be trigg ...

Important safety notes
For reasons of safety, Mercedes-Benz recommends that you drive with the lights switched on even during the daytime. In some countries, operation of the headlamps varies due to legal requirements a ...