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releasing the accelerator pedal the system is re‐
activated and controls speed independently.
Driving off
In some situations, the vehicle cannot drive off
automatically; for example:
▷ On steep uphill grades.
▷ In front of bumps in the road.
In these cases, step on the accelerator pedal.
Weather
The following restrictions can occur under unfav‐
orable weather or light conditions:
▷ Poorer vehicle recognition.
▷ Short-term interruptions for vehicles that are
already recognized.
Examples of unfavorable weather or light condi‐
tions:
▷ Wet conditions.
▷ Snowfall.
▷ Slush.
▷ Fog.
▷ Glare.
Drive attentively, and react to the current traffic
situation. If necessary, intervene actively, for in‐
stance by braking, steering or evading.
Engine power
The desired speed is also maintained downhill.
The speed may not be maintained on uphill
grades if the engine power is insufficient.
In ECO PRO driving mode, the vehicle may ex‐
ceed or drop below the set desired speed in
some situations, for instance on downhill or uphill
grades.
Malfunction
Radar sensor
The system cannot be activated if the radar sen‐
sor is not aligned correctly. This may be caused
by damage incurred, for instance during parking.
A Check Control message is displayed if the sys‐
tem fails.
Have the system checked by a dealer's service
center or another qualified service center or re‐
pair shop.
The system may be impaired when the detection
range of the radar sensor is partially covered
such as by the license plate holder.
Camera
The function for detecting and responding when
approaching stationary vehicles may be limited in
the following situations:
▷ During calibration of the camera immediately
after vehicle delivery.
▷ If the camera is malfunctioning or dirty. A
Check Control message is displayed.
Speed Limit Assist
Concept
When the systems in the vehicle, e.g., Speed
Limit Info, detect a change of the speed limit
along the route, this new speed value can be ap‐
plied for the following systems:
▷ Manual Speed Limiter.
▷ Cruise control.
▷ Active Cruise Control with Stop&Go function.
The speed value is suggested as the new de‐
sired speed to be applied. To apply the speed
value, the corresponding system must be acti‐
vated.
Seite 219
Driver assistance systems
CONTROLS
219
Online Edition for Part no. 01402720992 - II/19
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