Lights

This display message will only appear if all LEDs have failed. Display messages about LEDs:

This display message will only appear if all LEDs have failed.

Display messages Possible causes/consequences and Solutions
Cornering Light or Check Right Cornering Light

Check Left Cornering Light or Check Right Cornering Light

 The left or right-hand cornering light is defective. Check whether you are permitted to change the bulb yourself ().
or
Visit a qualified specialist workshop.
Low Beam or Check Right Low Beam

Check Left Low Beam or Check Right Low Beam

 The left or right-hand low-beam headlamp is defective. Check whether you are permitted to change the bulb yourself ().
or
Visit a qualified specialist workshop.
Left Tail Lamp or Check Trailer Right Tail Lamp

Check Trailer Left Tail Lamp or Check Trailer Right Tail Lamp

 The left or right-hand trailer tail lamp is faulty.
Check whether you are permitted to change the bulb yourself.
or
Visit a qualified specialist workshop.
Left Turn Signal or Check Trailer Right Turn Signal

Check Trailer Left Turn Signal or Check Trailer Right Turn Signal

 The left or right-hand trailer turn signal lamp is defective.
Check whether you are permitted to change the bulb yourself. or
Visit a qualified specialist workshop.
Brake Lamp

Check Trailer Brake Lamp

 The trailer brake lamp is defective.
Check whether you are permitted to change the bulb yourself. or
Visit a qualified specialist workshop.
Left Turn Signal or Check Rear Right Turn Signal

Check Rear Left Turn Signal or Check Rear Right Turn Signal

 The rear left-hand or rear right-hand turn signal is defective.

Check whether you are permitted to change the bulb yourself (). or Visit a qualified specialist workshop.
Left Turn Signal or Check Front Right Turn Signal

Check Front Left Turn Signal or Check Front Right Turn Signal

 The front left-hand or front right-hand turn signal is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
Mirror Turn Signal or Check Right Mirror Turn Signal

Check Left Mirror Turn Signal or Check Right Mirror Turn Signal

 The turn signal in the left-hand or right-hand exterior mirror is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
Brake Lamp

Check Center Brake Lamp

 The high-mounted brake lamp is faulty.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
Tail and Brake Lamps or Check Right Tail and Brake Lamps

Check Left Tail and Brake Lamps or Check Right Tail and Brake Lamps

 The left or right-hand tail lamp/brake lamp is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
High Beam or Check Right High Beam

Check Left High Beam or Check Right High Beam

 The left or right-hand high beam is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
License Plate Lamp or Check Right License Plate Lamp

Check Left License Plate Lamp or Check Right License Plate Lamp

 The left or right-hand license plate lamp is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
Fog Lamp or Check Right Fog Lamp

Check Left Fog Lamp or Check Right Fog Lamp

 The left-hand or right-hand front fog lamp is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
Lamp

Rear Fog Lamp

 The rear fog lamp is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
Left Parking Lamp or Check Front Right Parking Lamp

Check Front Left Parking Lamp or Check Front Right Parking Lamp

 The front left or front right parking or standing lamp is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
Reverse Lamp or Check Right Reverse Lamp

Check Left Reverse Lamp or Check Right Reverse Lamp

 The left or right-hand backup lamp is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
Left Sidemarker Lamp or Check Front Right Sidemarker Lamp

Check Front Left Sidemarker Lamp or Check Front Right Sidemarker Lamp

 The left or right front side marker lamp is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
Left Sidemarker Lamp or Check Rear Right Sidemarker Lamp

Check Rear Left Sidemarker Lamp or Check Rear Right Sidemarker Lamp

 The rear left or right side marker lamp is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
Daytime Running Light or Check Right Daytime Running Light

Check Left Daytime Running Light or Check Right Daytime Running Light

 The left or right-hand daytime running lamp is defective.
  • Check whether you are permitted to change the bulb yourself ().

or

  • Visit a qualified specialist workshop.
Inoperative

Active Headlamps Inoperative

 The active light function is defective.
  • Visit a qualified specialist workshop.
Manual

Malfunction See Operator's Manual

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

AUTO Lamp Function Inoperative

 The light sensor is defective.
  • Visit a qualified specialist workshop.
Lights

Switch Off Lights

 The lights are still switched on when you leave the vehicle. A warning tone also sounds.
  • Turn the light switch to . or .
    See also:

    Securing the vehicle to prevent it from rolling away
    WARNING Only jack up the vehicle on level ground or on slight inclines/declines. The vehicle could otherwise fall off the jack and injure you or others. If your vehicle is equipped with a whe ...

    Removing a wheel
    ► Unscrew the uppermost wheel bolt completely. ► Screw alignment bolt 1 into the thread instead of the wheel bolt. ► Unscrew the remaining wheel bolts fully. Do not place wh ...

    Showing the distance display
    This function is only available with DISTRONIC PLUS. •► Press the button on the steering wheel to select the DriveAssist menu. •► Press the button to select Distance Display. ...