Mercedes-Benz 2013 GLS Class - Manual (Page 222)

Warning and display messages in the
multifunction display
X Activate ATTENTION ASSIST using the on-
board computer (
Y page 254).
If ATTENTION ASSIST is active, you will be
warned no sooner than 20 minutes after
your journey has begun. You then hear an
intermittent warning tone twice and the
Attention Assist: Drowsiness
detected message appears in the multi-
function display.
X If necessary, take a break.
X Press the a button to confirm the mes-
sage.
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. This will only
happen if ATTENTION ASSIST still detects
typical indicators of fatigue or increasing lap-
ses in concentration.
When ATTENTION ASSIST is deactivated, the
À symbol and OFF appear in the multi-
function display in the assistance graphics
display when the engine is running.
ATTENTION ASSIST is reset and starts
assessing your tiredness again when you con-
tinue your journey if:
R
you switch off the engine
R
you take off your seat belt and open the
driver's door, e.g. for a change of drivers or
to take a break
Speed Limit Assist
General notes
:
Speed Limit Assist camera
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 taken and shown in the display.
Speed Limit Assist detects the traffic signs
with a camera attached behind the top of the
windscreen.
i Speed Limit Assist is not operational in all
countries.
Important safety notes
Speed Limit Assist is only an aid and does not
always detect traffic signs specifying the
maximum permissible speed. Traffic signs
always have priority over the Speed Limit
Assist display.
The system may be impaired or may not func-
tion if:
R
there is poor visibility, e.g. due to snow,
rain, fog or spray
R
there is glare, e.g. from the sun or from
oncoming traffic
R
the windscreen is dirty, misted up or cov-
ered, for instance by a sticker, in the vicinity
of the camera
220
Driving systems
Driving and parking