Mercedes-Benz C-Class Manuals

Mercedes-Benz C-Class (W205) 2015 - 2021 Owners Manual: Lights

Display messages

Possible causes/consequences and ► Solutions

Intell. Light System Inoperative

* The Intelligent Light System is defective. The lighting system continues to function properly without the functions of the Intelligent Light System.
  • Visit a qualified specialist workshop.

Check Left Low Beam (Example)

* The corresponding light source is defective.
  • Drive on carefully.
  • Visit a qualified specialist workshop immediately.

    or

  • Check whether you are permitted to replace the light source yourself.

LED light bulbs: the display message for the corresponding lamp appears only when all the light-emitting diodes in the lamp have failed.

Active Headlamps Inoperative

* The active headlamps are defective.
  • Visit a qualified specialist workshop.

Switch Off Lights

* You are leaving the vehicle and the lights are still switched on.
  • Turn the light switch to the position.

Malfunction See Operator's Manual

* The exterior lighting is defective.
  • Visit a qualified specialist workshop.

Switch On Headlamps

* You are driving without low-beam headlamps.
  • Turn the light switch to the or position.

Automatic Headlamp Mode Inoperative

* The light sensor is faulty.
  • Consult a qualified specialist workshop.
Adaptive Highbeam Assist Inoperative * Adaptive Highbeam Assist is malfunctioning.
  • Visit a qualified specialist workshop.
Adaptive Highbeam Assist Currently Unavailable See Operator's Manual * Adaptive Highbeam Assist is temporarily unavailable.

The system limits have been reached.

  • Drive on.

    Once the cause of the problem is no longer present, the system will be available again. The Adaptive Highbeam Assist Now Available display message appears.

Adaptive Highbeam Assist Camera View Restricted See Operator's Manual * The camera view is restricted. Possible causes are:
  • Dirt on the windshield in the camera's field of vision
  • Heavy rain, snow or fog

Driving systems and driving safety systems may be malfunctioning or temporarily unavailable.

Once the cause of the problem is no longer present, driving systems and driving safety systems will be available again.

If the display message does not disappear:

  • Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions.
  • Clean the windshield.
    Transmission

    Warning and indicator lamps

    See More:

    Mercedes Benz C-Class (W204) 2007 - 2014 Training Manual > Electrical System: Signal Acquisition and Actuation Module (SAM)
    Front SAM The front SAM/SRB control unit (N10/1) is installed in the engine compartment in the driver-side control unit box. The most important functions are: Control of the front exterior lights Master of the turn signal function Control of the cornering illumination Rain closing of the tilting/sli ...

    Mercedes-Benz C-Class (W205) 2015 - 2021 Owners Manual

    Mercedes Benz C-Class (W204) 2007 - 2014 Training Manual

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