Driver assistance systems
CONTROLS
The icon is displayed when the set
speed is reached.
Continuing cruise control
An interrupted cruise control can be continued
by calling up the stored speed.
Make sure that the difference between current
speed and stored speed is not too large before
calling up the stored speed. Otherwise, uninten‐
tional deceleration or acceleration may occur.
System limits
The set speed is also maintained downhill. The
speed may not be maintained on uphill grades if
the drive power is insufficient.
Press the button with the system inter‐
rupted.
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.
Cruise control is continued with the stored val‐
ues.
In the following cases, the stored speed value is
deleted and cannot be called up again:
Active Cruise Control with
Stop&Go function ACC
▷ When the system is switched off.
▷ When drive-ready state is switched off.
Principle
Using the Cruise Control, a desired speed and a
distance to a vehicle ahead can be adjusted us‐
ing the buttons on the steering wheel.
Displays in the instrument
cluster
Display in the speedometer
Depending on the equipment, a mark in the
speedometer displays the status of the system.
General information
The system maintains the set speed on clear
roads. The vehicle accelerates or brakes auto‐
matically.
▷ Green marking: system is ac‐
tive, the marking indicates the
desired speed.
If a vehicle is driving ahead of you, the system
adjusts the speed of your vehicle so that the set
distance to the vehicle ahead is maintained. The
speed is adjusted as far as the given situation al‐
lows.
▷ Grey marking: system is inter‐
rupted, the marking indicates
the stored speed.
▷ No marking: system is switched off.
The distance can be adjusted in several steps.
For safety reasons, it depends on the respective
speed.
Indicator light
▷ Indicator light green: system is active.
If the vehicle ahead of you brakes to a halt, and
then proceeds to drive again within a brief period,
the system is able to detect this within the given
system limits.
▷ Gray indicator light: the system has
been interrupted.
▷ No indicator light: system is switched off.
Depending on the vehicle setting, the cruise
control settings may change under certain condi‐
tions. For instance, acceleration can change de‐
pending on the driving mode.
Displays in the Head-up Display
Some system information can also be displayed
in the Head-up Display.
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Online Edition for Part no. 01405A37F46 - VI/21