System controls (corrective steering intervention).
If no warning lamp lights up, the system is not ready to intervene(passive system status) or is switched off.
If the comfort drive function(Travel Assist) is actively performing a control operation, there is no steering
intervention and the lane keeping system is not displayed.
Driver intervention prompt
If there is no steering activity, the system prompts you to drive in the middle of the lane by means of acoustic
warnings and a display on the instrument cluster.
The system switches to the passive state if you do not react.
Depending on the equipment, Emergency Assist will be activated providing it is switched on in the Infotainment
system.
Independently of steering activity, you are also prompted to drive in the middle of the lane by means of a display on
the instrument cluster and acoustic warnings if the corrective steering intervention takes place for an extended time.
Steering wheel vibration
The following situations can lead to vibration of the steering wheel:
—The system can no longer detect a lane during a major steering intervention.
You can also select theVibration or Steering wheel vibration option in the Assist systems menu on the Infotainment
system. In this case, the steering wheel will vibrate if the vehicle drives across a detected road lane marking when the
lane keeping system is active.
Troubleshooting
Lane keeping system not available
The indicator lamp lights up yellow. A message will also appear on the instrument cluster display.
—The camera window is dirty. Clean the windscreen (→ Vehicle care).
—The view of the camera is impaired due to the weather conditions, e.g. snow, or due to detergent deposits or
coatings. Clean the windscreen (→ Vehicle care).
—The view of the camera is impaired by add-on parts or stickers. Keep the area around the camera window free.
—The camera has been displaced or damaged, e.g. due to damage to the windscreen. Check whether damage is
visible (→ Repairs and technical modifications).
—Fault or malfunction. Switch off and restart the engine.
—If the problem persists, go to a correspondingly qualified workshop.
It may take several seconds before a system error is detected one the ignition is switched
on.
If the lane keeping system is not available, Travel Assist is also not
available.
If the lane keeping system is not available, Emergency Assist is also not
available.
The system behaves differently than expected
1. Do not attach any objects to the steering wheel.
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