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

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 FlashersRear Side Door Trim Replacement (Sedan)
Rear Side Door Trim Replacement
Callout
Component Name
1
Rear Side Door Inside Handle Bolt Cap
2
Rear Side Door Inside Handle Fastener
Caution: Refer to Fastener Caution.
Proce ...
Output Speed Sensor Replacement
Output Speed Sensor Replacement
Callout
Component Name
Preliminary Procedure
Remove the control valve body. Refer to Control Valve Body Replacement.
1
Output Speed Sensor Bolt M6 x 18 ...
The C300 competes well on fuel economy
Title: "2023 Mercedes-Benz C300: A Detailed Look at Efficiency, Interior, and Customization Options"
The 2023 Mercedes-Benz C300 presents a compelling choice for luxury sedan enthusiasts, offering a blend of performance, efficiency, and customizable features. Here's a breakdown of wh ...