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Display messages
Possible causes/consequences and MM Solutions
Active SteeringActive Steering
Assist CurrentlyAssist Currently
Unavailable SeeUnavailable See
Operator's ManualOperator's Manual
Active 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 have been no lane markings for an extended period
R
the lane markings are worn away, dark or covered up, e.g. by dirt or
snow
When the causes stated above no longer apply, the display message
disappears.
Active 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 152).
X
Clean the windshield.
Active SteeringActive Steering
Assist InoperativeAssist Inoperative
Active Steering Assist is faulty.
However, the Active Distance Assist DISTRONIC functions are still
available.
A warning tone also sounds.
X
Visit a qualified specialist workshop.
CruiseCruise ControlControl Inop‐Inop‐
erativeerative
Cruise control is malfunctioning.
A warning tone also sounds.
X
Visit a qualified specialist workshop.
Cruise ControlCruise Control
- - - mph- - - mph
R
A condition for activating cruise control has not been met.
You have tried to store a speed below 20 mph (30 km/h), for exam-
ple.
R
ESP
®
is deactivated The yellow ESP
®
OFF warning lamp is lit.
X
If conditions permit, drive faster than 20 mph (30 km/h) and store
the speed.
or
X
Check the activation conditions for cruise control (Y page 160).
or
X
Reactivate ESP
®
(Y page 69).
or
X
Reactivate ESP
®
in Mercedes-AMG vehicles (Y page 70).
Cruise Control OffCruise Control Off
Cruise control has been deactivated.
If a warning tone also sounds, cruise control has deactivated auto-
matically (Y page 160).
Display messages
249
On-board computer and displays
Z
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