Mercedes-Benz C-Class Manuals

Mercedes-Benz C-Class Owners Manual: Driving systems

Display messages

Possible causes/consequences and ► Solutions

Active Blind Spot Asst. Not Available When Towing a Trailer See Operator's Manual * When you establish the electrical connection to the trailer, Active Blind Spot Assist is unavailable.
  • Press the left-hand Touch Control and acknowledge the display message.
Drive More Slowly * You are driving too fast for the selected vehicle level.
  • In order to adjust the vehicle level, you must not drive at speeds greater than 37 mph (60 km/h).
  • In order to adjust the vehicle level during trailer operation, you must not drive at speeds greater than 19 mph (30 km/h).
Blind Spot Assist Currently Unavailable See Operator's Manual * Blind Spot 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.

    or

  • If the display message does not disappear, stop the vehicle while paying attention to road and traffic conditions and restart the engine.
  • If necessary, clean the rear bumper. If the bumper is extremely dirty, the sensors in the bumper may be malfunctioning.

Active Steering Assist Inoperative

* Active Steering Assist is malfunctioning. Active Distance Assist DISTRONIC remains available.
  • Visit a qualified specialist workshop.

Vehicle Rising Please Wait

* The vehicle level is too low. The vehicle is raised to the selected vehicle level.
  • Wait until the display message disappears before pulling away.
Blind Spot Assist Inoperative * Blind Spot Assist is malfunctioning.
  • Visit a qualified specialist workshop.
Active Parking Assist and PARKTRONIC Inoperative See Operator's Manual * Active Parking Assist and Parking Assist PARKTRONIC are malfunctioning.
  • Stop the vehicle, paying attention to road and traffic conditions, and restart the engine.
  • If the display message continues to be displayed, consult a qualified specialist workshop.
Active Blind Spot Assist Currently Unavailable See Operator's Manual * Active Blind Spot 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.

  • If the display message does not disappear, stop the vehicle while paying attention to road and traffic conditions and restart the engine.

Active Steering Assist Currently Unavailable See Operator's Manual

* Active Steering Assist is temporarily unavailable.

The ambient conditions are outside the system limits.

  • Drive on.

    As soon as the ambient conditions are within the system limits, the system will become available again.

  • If necessary, clean the windshield in the camera's field of vision.
  • Check the tire pressure if necessary.

ATTENTION ASSIST: Take a Break!

* ATTENTION ASSIST has detected fatigue or an increasing lack of concentration on the part of the driver.
  • If necessary, take a break.
Traffic Sign Assist Inoperative * Traffic Sign Assist is malfunctioning.
  • Visit a qualified specialist workshop.
Active Lane Keeping Assist Currently Unavailable See Operator's Manual * Active Lane Keeping Assist is temporarily unavailable.

The ambient conditions are outside the system limits.

  • Drive on.

    As soon as the ambient conditions are within the system limits, the system will become available again.

* Active Steering Assist has reached its system limits.
  • Take over the steering and drive on in accordance with the traffic conditions.
Traffic Sign Assist Currently Unavailable See Operator's Manual * Traffic Sign Assist is temporarily unavailable.
  • Drive on.

    Once the cause of the problem is no longer present, the system will be available again.

Off

* The HOLD function is deactivated because the vehicle is skidding or a condition for activation is not met.
  • Reactivate the HOLD function later or check the activation conditions for the HOLD function.

Vehicle Rising

* Your vehicle is adjusting to the level you have selected.
Traffic Sign 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.
Active Lane Keeping Assist Inoperative * Active Lane Keeping Assist is malfunctioning.
  • Consult a qualified specialist workshop.

Malfunction Drive at Max. 50 mph

* AIRMATIC is functioning only to a limited extent. The vehicle's handling characteristics may be affected.
NOTE The tires of the front axle or the front fenders could be damaged by large steering movements
  • Avoid large steering movements while driving and listen for scraping sounds.
  • If you hear scraping sounds, pull over and stop the vehicle safely, paying attention to road and traffic conditions, and set a higher vehicle level if possible.
  • Drive in a manner appropriate for the current level, but do not exceed 50 mph (80 km/h).
  • Visit a qualified specialist workshop.

    DYNAMIC BODY CONTROL is malfunctioning. The vehicle's handling characteristics may be affected.

  • Do not drive at speeds greater than 50 mph (80 km/h).
  • Visit a qualified specialist workshop.
Blind Spot Assist Not Available When Towing a Trailer See Operator's Manual * When you establish the electrical connection to the trailer, Blind Spot Assist is unavailable.
  • Press the left-hand Touch Control and acknowledge the display message.

Stop Vehicle Vehicle Too Low

* You have pulled away despite the vehicle level being too low.
  • Pull over and stop the vehicle, paying attention to road and traffic conditions.

    The vehicle is raised to the selected vehicle level.

  • Wait until the display message disappears before pulling away.

If the display message does not disappear and a warning tone also sounds, AIRMATIC is malfunctioning:

  • Do not drive faster than 50 mph (80 km/h) and consult a qualified specialist workshop immediately.
NOTE The tires of the front axle or the front fenders could be damaged by large steering movements
  • Avoid large steering movements while driving and listen for scraping sounds.
  • If you hear scraping sounds, pull over and stop the vehicle safely, paying attention to road and traffic conditions, and set a higher vehicle level if possible.
  • Set a higher vehicle level .

    Depending on the malfunction, the vehicle is raised.

Lowering

* The vehicle level may be lowered for the following reasons:
  • you have selected a different drive program.
  • you have exceeded a critical speed.
  • you have changed the vehicle level by pressing a button.

ATTENTION ASSIST Inoperative

* ATTENTION ASSIST is malfunctioning.
  • Consult a qualified specialist workshop.
Active Blind Spot Assist Inoperative * Active Blind Spot Assist is malfunctioning.
  • Visit a qualified specialist workshop.

Off

* Active Distance Assist DISTRONIC was deactivated. If a warning tone also sounds, the Active Distance Assist DISTRONIC has deactivated automatically.

- - - mph

* Active Distance Assist DISTRONIC cannot be activated as not all activation conditions have been fulfilled.
  • Comply with the activation conditions of Active Distance Assist DISTRONIC.

Suspended

* If you activate the accelerator pedal beyond the Active Distance Assist DISTRONIC setting, the system will be put into passive mode.
Active Distance Assist Currently Unavailable See Operator's Manual * Active Distance Assist DISTRONIC is temporarily unavailable.

The ambient conditions are outside the system limits.

  • Drive on.

    As soon as the ambient conditions are within the system limits, the system will become available again.

Active Distance Assist Inoperative * Active Distance Assist DISTRONIC is malfunctioning.

Other driving systems and driving safety systems may also malfunction.

  • Visit a qualified specialist workshop.
Active Distance Assist Now Available * Active Distance Assist DISTRONIC is operational again and can be activated.
* Cruise control cannot be activated as not all activation conditions are fulfilled.
  • Observe the activation conditions for cruise control.
Cruise Control Off * Cruise control has been deactivated.

If there is an additional warning tone, cruise control has been deactivated automatically.

Cruise Control Inoperative * Cruise control is malfunctioning.
  • Visit a qualified specialist workshop.
Active Lane Keeping Assist Camera View Restricted See Operator's Manual * Vehicles without Active Steering Assist: 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.
    Safety systems

    Engine

    See More:

    Mercedes-Benz C-Class Owners Manual > Parking: Electric parking brake
    Electric parking brake function (applying automatically) WARNING Risk of accident and injury due to children and animals left unattended in the vehicle If you leave children and animals unattended in the vehicle, they may be able to set the vehicle in motion, for example by: Releasing the parking br ...

    Mercedes-Benz C-Class Owners Manual

    Mercedes Benz C-Class (W204) Training Manual

    © 2020 Copyright www.mersec.net
    0.0113