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166 Driving and parking
The traffic signs are hard to detect, e.g. due
R
to dirt, because they are covered, or due to
snow or insufficient lighting
The system is affected by ambiguous signs,
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e.g. traffic signs on construction sites or in
adjacent lanes
The information in the navigation system's
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digital map is incorrect or out-of-date
Activating/deactivating the Traffic Sign
Assist warning function
On-board computer
Settings
Assistance
4
5
Traffic Sign Assist
5
To activate or deactivate: press a.
#
When the warning function is active and you pass
a traffic sign, the instrument cluster shows the
traffic regulations (speed limit and overtaking
restriction) for five seconds. The previous menu
then reappears automatically.
The wrong-way warning remains active if you
deactivate the warning function of Traffic Sign
Assist.
Blind Spot Assist
Function of Blind Spot Assist
Blind Spot Assist uses two lateral, rear-facing
radar sensors to monitor the area up to 3 m
behind and 3 m directly next to your vehicle.
& WARNING Risk of accident despite Blind
Spot Assist
Blind Spot Assist does not react to either sta‐
tionary objects or vehicles approaching and
overtaking you at a greatly different speed.
Blind Spot Assist cannot warn drivers in these
situations.
Always pay careful attention to the traf‐
#
fic situation and maintain a safe dis‐
tance at the side of the vehicle.
Blind Spot Assist is only an aid. It may fail to
detect some vehicles and is no substitute for
attentive driving. Always ensure that there is suf‐
ficient distance to the side for other road users
and obstacles.
If a vehicle is detected above speeds of approx‐
imately 30 km/h and this vehicle subsequently
enters the monitoring range directly next to your
vehicle, the warning lamp in the outside mirror
lights up red.
If a vehicle is detected close to your vehicle in the
lateral monitoring range and you switch on the
turn signal indicator in the corresponding direc‐
tion, a warning tone sounds. The red warning
lamp in the outside mirror flashes. If the turn sig‐
nal indicator remains switched on, all other
detected vehicles are indicated only by the flash‐
ing of the red warning lamp.
When you overtake a vehicle, the warning only
occurs if the difference in speed is less than
11 km/h.
System limits
Blind Spot Assist may be limited in the following
situations:
if there is dirt on the sensors or the sensors
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are obscured
if there is poor visibility, e.g. due to fog, heavy
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rain, snow or spray
if narrow vehicles are within the monitoring
R
range, e.g. bicycles
if the road has very wide or very narrow lanes
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if vehicles are not driving in the middle of
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their lane
Warnings may be issued in error when driving
close to crash barriers or similar solid lane bor‐
ders. Warnings may be interrupted when driving
alongside long vehicles, for example lorries, for a
prolonged time.
Blind Spot Assist is not operational when reverse
gear is engaged.
Activating/deactivating Blind Spot Assist
On-board computer
Assistance
Blind Spot Assist
4
5
To activate or deactivate: press a.
#
The current status will be displayed.
When Blind Spot Assist is activated, grey radar
waves propagating backwards appear next to the
vehicle in the assistance graphic in the multifunc‐
tion display. If you drive faster than 30 km/h with
Blind Spot Assist activated, the radar waves in
the assistance graphic appear green. Blind Spot
Assist is ready for use.
If you switch on the ignition while Blind Spot
Assist is activated, the warning lamps in the out‐
side mirrors light up for approx. 1.5 seconds.
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