Mercedes-Benz E-Cab 2014 Owners Manual - Manual (Page 270)

Display messages Possible causes/consequences and M Solutions
DTR+: Steering
Assist. Currently
Unavailable See
Operator's Manual
DISTRONIC PLUS Steering Assist is temporarily inoperative.
Possible causes are:
R the windshield in the camera's field of vision is dirty.
R visibility is impaired due to heavy rain, snow or fog.
R there are no lane markings for a longer period.
R the lane markings are worn, dark or covered, e.g. by dirt or snow.
When the causes stated above no longer apply, the display
message disappears.
DISTRONIC PLUS Steering Assist is operational again.
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 182).
X Clean the windshield.
DTR+: Steering
Assist.
Inoperative
DISTRONIC PLUS Steering Assist is faulty.
However, the DISTRONIC PLUS functions are still available.
A warning tone also sounds.
X Visit a qualified specialist workshop.
Cruise Control
Inoperative
Cruise control is defective.
A warning tone also sounds.
X Visit a qualified specialist workshop.
Cruise Control
- - - mph A condition for activating cruise control has not been fulfilled.
You have tried to store a speed below 20 mph (30 km/h), for
example.
X
If conditions permit, drive faster than 20 mph (30 km/h) and
store the speed.
X Check the activation conditions for cruise control
(
Y
page 189).
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Display messages
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