▷ If the hazard warning lights are switched on.
▷ In driving situations with high driving dynam‐
ics.
▷ The Dynamic Stability Control adjusts.
▷ Directly after a steering intervention by the
vehicle systems.
Warning signal
Depending on the national-market version: in the
event of multiple active steering interventions by
the system within 3 minutes without the driver's
intervention at the steering wheel during the
steering intervention itself, an acoustic warning
will sound. A short warning signal will sound at
the second steering intervention. A longer warn‐
ing signal sounds from the third steering inter‐
vention onwards.
A Check Control message is also displayed.
The warning signal and Check Control message
advise to pay closer attention to the lane.
In trailer operation
If the trailer socket is occupied or the trailer
mode is activated, for example during operation
with trailer, no steering intervention takes place.
Cancellation of the warning
For example, the warning or an active steering in‐
tervention is cancelled in the following situations:
▷ Automatically after a few seconds.
▷ On returning to the correct lane.
▷ If the vehicle is accelerating rapidly or braking
heavily.
▷ If the hazard warning lights are switched on.
▷ On indicating.
▷ The Dynamic Stability Control is controlling
the vehicle or it is restricted.
▷ Directly after a steering intervention by the
vehicle systems.
▷ With manual steering intervention.
▷ Possibly when another driver assistance sys‐
tem is activated.
▷ Lane boundaries are not detected.
▷ When the system limits are reached.
System limits
Safety note
WARNING
The system may not respond at all, or may re‐
spond too late, incorrectly or without justifica‐
tion due to system limitations. There is a risk of
accident or material damage. Observe the in‐
formation on the system limits and intervene
actively if necessary.
System limits of the sensors
For further information:
▷ Camera, see page 48.
▷ Radar sensors, see page 49.
Functional limitations
The system may have restricted functionality in
situations such as the following:
▷ When there are missing, worn, poorly visible,
merging/separating or ambiguous lane mark‐
ings, for example, in areas where there are
roadworks.
▷ With lane boundaries that are covered in
snow, ice, dirt or water.
▷ On sharp bends or narrow roads.
▷ With lane boundaries that are not white.
▷ With lane boundaries that are covered by ob‐
jects.
▷ If the vehicle is too close to the vehicle ahead.
▷ Up to 10 seconds after switching on drive-
ready state using the Start/Stop button.
▷ The Dynamic Stability Control is controlling
the vehicle or it is restricted.
Seite 205
Safety
CONTROLS
205
Online Edition for Part no. 01405A38CB9 - VI/21
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