Page 26 of 417
and symbols can vary depending on the ver-
sion of the instrument cluster.
Do not
driv
e on! Danger. Check the fault. Seek expert
assistance if necessary. Driver Alert System (break
recommendation)
Please refer to at the start of the chap-
ter on page 18. Fig. 15
On the instrument cluster display: Driv
-
er Alert System symbol. button on the multifunction
steering wheel.
F
unction conditions
The driving behaviour can be evaluated only
when the speed is above 60 km/h (37 mph)
up to approximately 200 km/h (125 mph).
24 Driver information
Page 47 of 417
belt tensioner works together with the airbag
system. If the v
ehicle rolls over, the belt ten-
sioner will not be activated if the curtain air-
bags are not triggered.
A fine dust may be produced when the air-
bags are triggered. This is quite normal and
does not mean that there is a fire in the vehi-
cle.
Reversible belt tensioning (proactive occu-
pant protection system)
Reversible belt tensioning may trigger in cer-
tain driving situations
Page 48 of 417
Speed range
The basic function of the proactiv
e occupant
protection system is available when driving
forwards at speeds from approx. 30 km/h
(19 mph).
Displays
In the event of intervention by the
proactive occupant protection sys-
tem, the red warning lamp lights up
on the instrument cluster display. Functions of the proactive oc-
cupant protection system
Please refer to at the start of the chap-
ter on page 45.
Basic functions
The f
ollowing functions may be triggered in-
dividually or together in critical driving situa-
tions, e.g. in the event of emergency braking,
understeer and oversteer or minor collisions:
Page 49 of 417
Setting in driving profile selection
In v
ehicles with driving profile selection, the
proactive occupant protection system is
adapted to the special vehicle setup of the
respective driving profile. Limits of the proactive occu-
pant protection system
Please refer to at the start of the chap-
ter on page 45.
The a
vailability of the proactive occupant
protection system depends on country-spe-
cific legal regulations and the vehicle equip-
ment.
The proactive occupant protection system
will not be available, or will only be available
to a limited extent, in the following situa-
tions:
Page 50 of 417