Speed Limit Assist; Important Safety Notes - Mercedes-Benz CLA Operator's Manual

intermittent warning tone twice and the
Attention Assist: Take a Break!
message appears in the multifunction
display.
If necessary, take a break.
X
Press the a or % button to confirm
X
the message.
On long journeys, take regular breaks in good
time to allow yourself to rest properly. If you
do not take a break, you will be warned again
after 15 minutes at the earliest. The
precondition for this is that
ATTENTION ASSIST still detects typical
indicators of fatigue or increasing lapses in
concentration.
ATTENTION ASSIST is reset when you
continue your journey and starts assessing
your tiredness again if:
you switch off the engine.
R
you take off your seat belt and open the
R
driver's door, e.g. for a change of drivers or
to take a break.
When ATTENTION ASSIST is deactivated, the
é symbol appears in the multifunction
display in the assistance graphic display.

Speed Limit Assist

General notes
Speed Limit Assist shows you detected speed
limits in the multifunction display. Data from
the navigation system is also used for this
purpose. If a traffic sign indicating a speed
limit or the end of a speed limit is detected,
it is shown in the multifunction display. If
Speed Limit Assist does not detect any traffic
signs, the speed limit from the digital road
map is used and shown in the display.
Speed Limit Assist detects the traffic signs
with a camera attached behind the top of the
windshield.
Driving systems
Speed Limit Assist camera
:

Important safety notes

Speed Limit Assist is only an aid and does not
always detect traffic signs with information
about the maximum permissible speed.
Traffic signs always have priority over the
Speed Limit Assist display.
The system may be impaired or may not
function if:
there is poor visibility, e.g. due to snow,
R
rain, fog or spray
there is glare, e.g. from the sun or from
R
oncoming traffic
the windshield is dirty, fogged up or
R
covered, for instance by a sticker, in the
vicinity of the camera
the traffic signs are covered, for instance
R
by dirt, snow or trees
the traffic signs are poorly illuminated
R
there are ambiguous traffic signs, for
R
instance near roadworks or on multi-lane
roads
Information in the multifunction display
Briefly showing detected traffic signs in
the multifunction display
Activate the Speed Limit Assist warning
X
function using the on-board computer
( page 203).
Y
A traffic sign indicating a speed limit or the
end of a speed limit appears in the
multifunction display for around five
seconds as soon as it is detected. Any other
187
Z