Driving
Driver messages
ACC not available
●
The s
ystem cannot continue to guarantee
safe vehicle detection and is deactivated.
The sensor has lost its setting or is damaged.
Take the vehicle to a specialised workshop
and have the fault repaired.
ACC and Front Assist: currently
not available. No sensor vision
●
This message is displayed if the radar sen-
sor's visibility is impaired by leaves, snow,
dense fog or dirt. Clean the sensor
›››
Fig. 216.
ACC: currently not available.
Gradient too steep
●
The maximum road slope has been excee-
ded, hence safe ACC operation cannot be
guaranteed. The ACC cannot be switched
on.
ACC: only available in D, S or M
●
Select the D/S or M position on the selec-
tor lever.
ACC: parking brake applied
●
The ACC is deactivated if the parking brake
is applied. The ACC is available once again
after the parking brake is released.
ACC: currently not available. In-
tervention of stability control
●
The indication is displayed when the elec-
tronic stability control (ESC) intervenes. In
this case, the ACC is automatically switched
off.
ACC: Take action!
●
The indication is displayed if, when the ve-
hicle starts up on a hill with a slight slope, the
vehicle rolls back even although the ACC is
activated. Apply the brake to stop the vehicle
from moving/colliding with another vehicle.
ACC: engine speed
●
This indication is displayed if, when the
ACC accelerates or brakes, the driver does
not shift up or down a gear in time, which
means exceeding or not reaching the per-
mitted RPM. The ACC switches itself off. A
buzzer warning is heard.
Door open
●
The ACC cannot be activated when the ve-
hicle is stationary and the door is open.
WARNING
There is a danger of rear collision when the
distance to the vehicle in front is reduced
and the speed difference between both ve-
hicles is so great that a speed reduction by
the ACC is not sufficient. In this case, brake
immediately!
●
The ACC ma
y not be able to detect all sit-
uations properly.
●
Stepping on the accelerator may cause
the ACC not to intervene in braking. Driver
braking will have priority over intervention
by the speed control or adaptive cruise
control.
●
Always be ready to use the brakes!
●
Observe country-specific provisions gov-
erning obligatory minimum distances be-
tween vehicles.
●
It is dangerous to activate control and re-
sume the programmed speed if the road,
traffic or weather conditions do not permit
this. Risk of accident!
Note
●
The programmed speed is erased once
the ignition or the ACC are switched off.
●
When the traction control system (ASR) is
deactivated during acceleration or else the
ESC is activated in Sport* Mode
(
›››
page 80), the ACC switches off auto-
matically.
●
In vehicles with the Start-Stop system,
the engine switches off during the ACC
stopping phase and restarts for moving off.
260
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