Display messages
Possible causes/consequences and MM Solutions
DISTRONICDISTRONIC PLUSPLUS Cur‐Cur‐
rentlyrently UnavailableUnavailable
SeeSee Operator'sOperator's Man‐Man‐
ualual
DISTRONIC PLUS is temporarily inoperative. Possible causes are:
R
function is impaired due to heavy rain or snow.
R
the sensors in the radiator trim and the bumper are dirty.
R
the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation.
R
the system is outside the operating temperature range.
R
the on-board voltage is too low.
A warning tone also sounds.
When the causes stated above no longer apply, the display mes-
sage disappears.
DISTRONIC PLUS 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 161).
X
Clean the sensors in the radiator trim and the bumper
(Y page 287).
X
Restart the engine.
DISTRONIC PLUSDISTRONIC PLUS
InoperativeInoperative
DISTRONIC PLUS is defective.
BAS PLUS (Brake Assist PLUS) and PRE-SAFE
®
Brake may be
inoperative as well.
A warning tone also sounds.
X
Visit a qualified specialist workshop.
DISTRONICDISTRONIC PLUSPLUS Sus‐Sus‐
pendedpended
You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Remove your foot from the accelerator pedal.
DISTRONIC PLUSDISTRONIC PLUS
- - - mph- - - mph
An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation conditions for DISTRONIC PLUS
(Y page 171).
234
Display messages
On-board computer and displays
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