Displays in the instrument cluster
Symbol Description
Congestion Assistant and Distance
Control on standby.
Congestion Assistant on standby.
Distance control controls within the
set distance.
Congestion Assistant activated.
The system controls the speed and
assists with maintaining the lane.
Rolling bars: at least one functional
requirement is no longer satisfied.
The system soon deactivates the
automatic steering. ACC on
standby.
Red flashing and signal tone: con‐
gestion Assistant is interrupted.
The system does not steer inde‐
pendently. ACC exercises control.
System limits
When driving within narrow driving lanes, e.g.,
in construction zones or rescue lanes, the sys‐
tem cannot be activated or meaningfully used.
Limited detection capacity
Because of the limits to the detection ca‐
pacity of the camera and the sensor, you
should be alert at all times so that you can in‐
tervene actively, if necessary; otherwise, there
is the danger of an accident occurring.◀
Complying with country-specific laws
When the Congestion Assistant is used,
observe specific national laws.◀
Cruise control
The concept
The system is functional at speeds beginning
at approx. 20 mph/30 km/h.
It maintains the speed that was set using the
control elements on the steering wheel.
The system brakes on downhill gradients if en‐
gine braking action is insufficient.
Unfavorable conditions
Do not use the system if unfavorable
conditions make it impossible to drive at a con‐
stant speed, for instance:
▷ On curvy roads.
▷ In heavy traffic.
▷ On slippery roads, in fog, snow or rain, or
on a loose road surface.
Otherwise, you could lose control of the vehi‐
cle and cause an accident.◀
General information
When ECO PRO is activated, cruise control is
also set to a driving style that saves on fuel
consumption.
Controls
At a glance
Press the
button
Function
Cruise control on/off, interrupt‐
ing, refer to page 144
Store/maintain speed, refer to
page 144
Resume speed, refer to
page 145
Rocker switch:
Change/maintain speed, refer
to page 144
Seite 143
Driving comfort Controls
143
Online Edition for Part no. 01 40 2 910 949 - VII/13
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