When it is dark enough outside and the exterior lamp control is in the automatic position, the headlamps come on automatically.

The vehicle has a light sensor on top of the instrument panel. Make sure it is not covered, or the headlamps will be on when they are not needed.
The system may also turn on the headlamps when driving through a parking garage or tunnel.
Lights On with Wipers
If the windshield wipers are activated in daylight with the engine on, and the exterior lamp control is in AUTO, the headlamps, parking lamps, and other exterior lamps come on. The transition time for the lamps coming on varies based on wiper speed. When the wipers are not operating, these lamps turn off.
Move the exterior lamp control to
or
to disable this feature.
Daytime Running Lamps (DRL)
Hazard Warning FlashersHow comfortable is the Mercedes-Benz C Class
The interior of the C-Class Coupe matches the allure of its striking exterior design. Across all versions, you'll find premium materials that exude quality, complemented by metallic and piano black or wood accents. The sleek and minimalist layout adds to the sophistication, with standard sports s ...
Installation Procedure
Drill 8 mm (5/16 in) for plug welding along the edges of the front
wheelhouse front panel as noted from the original panel.
Drill 8 mm (5/16 in) for plug welding where front wheelhouse front panel
and front wheelhouse overlap.
Clean and prepare the attaching surfaces f ...
Rear Side Door Weatherstrip Replacement - Body Side
Rear Side Door Weatherstrip - Body Side
Procedure
Start at the front upper corner of the door opening and pull the
weatherstrip away from the door opening flange.
Position the weatherstrip in the upper corner of the center pillar.
Working downward along the front edge, in ...