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Cruise control
The concept
The system maintains a preset speed via the
buttons on the steering wheel. The system
brakes on downhill gradients if engine braking
is insufficient.
General information
Depending on the driving settings, the features
of the cruise control can change in certain
areas.
Hints
Unfavorable conditions
Do not use the system if unfavorable
conditions make it impossible to drive at a con‐
stant speed, e.g.:
▷ On winding 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.◀
Controls
Overview
Press but‐
ton
Function
Cruise control on/off, interrupt,
refer to page 143
Store/maintain speed, refer to
page 144
Resume speed, refer to
page 144
rocker switch:
Maintain, store, change speed,
refer to page 144
Buttons are arranged according to vehicle's
series, optional features and country specifica‐
tions.
Switching on
Press button on the steering wheel.
The marking in the speedometer is set to the
current speed.
The cruise control can be used.
Switch off
Deactivated or interrupted system
With deactivated or interrupted system
use your brakes, steering and moves as usual
to avoid the chance of an accident.◀
Press button on the steering wheel.
▷ If active: press twice.
▷ If interrupted: press once.
The displays go out. The stored desired speed
is deleted.
Interrupting
When active, press the button.
The system is automatically interrupted if:
▷ The brakes are applied.
▷ Selector lever position D is disengaged.
▷ DTC Dynamic Traction Control is activated
or DSC is deactivated.
▷ DSC is actively controlling stability.
▷ HDC is activated.
▷ When SPORT+ is activated with Driving
Dynamics Control.
Seite 143
Driving comfort Controls
143
Online Edition for Part no. 01 40 2 954 231 - II/15
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