Driver assistance systems
●
has stopped. It automatically moves off again
when the vehicle ahead moves.
If any of the conditions necessary for the
Traffic Jam Assist
adaptive cruise control (ACC) to work are no
longer fulfilled page 275.
›››
Traffic Jam Assist is designed only for use on
motorways and wide roads. Therefore, never
use it in city traffic.
Description and operation
Situations in which Traffic Jam Assist must
be switched off
Due to the limitations of the system, Traffic
Jam Assist must always be switched off in the
following situations:
Technical requirements for using Traffic
Jam Assist
●
Lane departure warning must be activated:
Infotainment button / and the Vehi-
cle > SETTINGS > Driver assistance >
Lane departure warning (Lane Assist)
●
When more attention is required by the
Fig. 280 Related video
driver.
●
Traffic Jam Assist helps the driver keep the
car within its lane and to move in convoy in
case of traffic congestion or slow traffic.
When driving in a very sporty style.
In adverse weather conditions, e.g. in case
function button
››› page 35.
●
●
The Lane Centring Guide must be activa-
ted: Infotainment button / and the
Vehicle > SETTINGS > Driver assis-
tance > Lane departure warning (Lane
Assist)function button.
of snow or heavy rain.
●
Traffic Jam Assist is an additional function of
When driving on roads in poor condition.
In sections with roadworks.
In city journeys.
Lane Assist page 284 and combines Lane
›››
●
Assist functions with Adaptive Cruise Control
(ACC) page 275. Therefore, it is essential
●
›››
●
Adaptive Cruise Control (ACC) must be
that you read these two chapters carefully
and note the limitations of the systems and
the information about them.
connected and active page 278.
●
›››
WARNING
The speed must be below 60 km/h
The smart technology incorporated into
Traffic Jam Assist cannot defy the laws of
physics; it only works within the limits of the
system. Accidents and severe injury may
occur if Traffic Jam Assist is used negli-
gently or involuntarily. The system is not a
replacement for driver awareness.
(38 mph).
Operation of Traffic Jam Assist
Traffic Jam Assist is not active (the Lane
Assist control light turns yellow)
At speeds of below 60 km/h (40 mph), Traffic
Jam Assist can maintain a (temporary) dis-
tance preset by the driver with respect to the
vehicle ahead and help stay within the lane
●
If any of the conditions mentioned on
page 287, Technical requirements for us-
ing Traffic Jam Assist are no longer met.
●
Adapt your speed and safe distance to
.
›››
the vehicle in front of you at all times to suit
the visibility, weather, road and traffic con-
ditions.
To do this, the system automatically controls
the accelerator, brakes and steering, and
slows the vehicle, stopping it fully if neces-
sary, when faced with a vehicle in front that
●
If any of the conditions required for opera-
tion of the Lane Assist are not met
page 284.
»
›››
287
English 
