Mercedes-Benz GLK 300 4MATIC 2012, Owner'S Manual

Page: 274 / 381

Driving systems (12-button multifunction steering wheel)
Display messages Possible causes/consequences and M M Solutions
À
Attention Assist: Attention Assist:
Drowsiness detec‐ Drowsiness detec‐
ted ted
Based on certain criteria, ATTENTION ASSIST has detected fatigue
or a lack of concentration on the part of the driver. A warning tone
also sounds.
X
If necessary, take a break.
During long journeys, take regular breaks in good time so that you
get enough rest.
À
Attention Assist Attention Assist
inoperative inoperative
ATTENTION ASSIST is inoperative.
X
Visit a qualified specialist workshop.
Ã
Inoperative Inoperative
DSR (Downhill Speed Regulation) is deactivated due to a fault.
X
Have DSR checked at a qualified specialist workshop.
Speed Speed Limit Limit Assist Assist
currently unavail‐ currently unavail‐
able See Owner's able See Owner's
Manual Manual
Speed Limit Assist is deactivated and temporarily inoperative.
Possible causes:
R
the windscreen is dirty in the camera's field of vision.
R
visibility is impaired due to heavy rain, snow or fog.
If the display message does not disappear:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
Y
page 164).
X
Clean the windscreen.
If the system detects that the camera is fully operational, the dis-
play message disappears.
Speed Limit Assist is operational again.
Speed Limit Speed Limit
Assist: Unavaila‐ Assist: Unavaila‐
ble ble in in this this country country
Speed Limit Assist is only available in certain countries.
X
Drive on.
Speed Limit Assist is available again when you drive in a country
in which its use is approved.
Speed Speed Limit Limit Assist Assist
inoperative inoperative
Speed Limit Assist is faulty.
X
Visit a qualified specialist workshop.
ë
Off Off
The HOLD function is deactivated. The vehicle is skidding.
A warning tone also sounds.
X
Reactivate the HOLD function later (
Y
page 186).
Display messages
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