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Applies to: vehicles with main beam assist
The main beam assist automatically switches the main beam headlights on or off depending on the surrounding light conditions.
A camera (located in the mounting for the interior mirror) detects light sources from other road users. The main beams are activated/deactivated automatically depending on the position of vehicles on either side of the road, on the road speed, and on other traffic and ambient conditions.
(Applies to vehicles with matrix LED headlights: ) Individual segments of the main beam are activated or deactivated. The relevant sector in front of the vehicle is masked, while the surrounding areas remain lit. The ambient surroundings are thus illuminated optimally without dazzling other road users.
Activating the main beam assist
Important: The light switch must be set to AUTO, the dipped beam headlights must be on and the main beam assist must be activated on the infotainment system link►.
Press the lever forwards -3- Fig. ► to activate the main beam assist. The indicator lamp 
/
will light up in the instrument cluster display and the main beams will be switched on/off automatically. The indicator lamp 
is lit when the main beams are partially or fully on.
/ will light up in the instrument cluster display and the main beams will be switched on/off automatically. The indicator lamp is lit when the main beams are partially or fully on.
Switching the main beams on/off manually
If the main beams are not switched on or if the headlights are not dipped as expected, you can control the dip function manually:
To switch on the main beams manually, push the lever forwards -3-. The indicator lamp will light up. To dip the headlights again, pull the lever towards you -4-.
will light up. To dip the headlights again, pull the lever towards you -4-.To dip the headlights manually, pull the lever towards you -4-. The main beam assist will be deactivated.
Flashing the headlights
Pull the lever towards you -4- to flash the headlights when the main beam assist is activated and the main beams are dipped. The main beam assist will remain activated.
Driver messages in the instrument cluster display
Main beam assist: system fault! Main beam assist: fault. See owner s manual
Drive to a qualified workshop soon and have the fault rectified. You can still switch the main beam headlights on and off manually.
Main beam assist: currently unavailable. No camera view Main beam assist: currently unavailable. Camera view restricted due to surroundings. See owner s manual
The camera vision is impaired, e.g. by stickers or dirt. Please clean the windscreen.
The sensor is located in the mounting for the interior mirror. Do not affix any stickers on this section of the windscreen.
WARNING
The main beam assist is only intended to assist the driver. The driver must always ensure that the headlights are used when required, and may have to switch them on or off manually, e.g. when the light conditions or visibility are poor. In the following situations manual intervention may be necessary:
- Hazardous weather conditions such as fog, heavy rain and snow or water splashes
- Roads on which oncoming traffic is partially concealed (e.g. on motorways)
- Indiscernible road users (e.g. cyclists with poor lighting)
- Tight corners, steep hill crests or valleys
- Poorly lit towns
- Highly reflective objects, such as road signs
- Windscreen misted up, dirty, frosted or covered by stickers in front of the sensor