Display messages
Possible causes/consequences and M Solutions
DISTRONIC PLUS Cur‐
rently Unavailable
See Operator's Man‐
ual
DISTRONIC PLUS is temporarily inoperative. Possible causes are:
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 160).
X
Restart the engine.
DISTRONIC PLUS
Inoperative
DISTRONIC PLUS is defective.
A warning tone also sounds.
X
Visit a qualified specialist workshop.
DISTRONIC PLUS Sus‐
pended
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 PLUS - -
- mph
An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation conditions for DISTRONIC PLUS
(
Y page 170).
Cruise Control
Inoperative
Cruise control is malfunctioning.
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 168).
Display messages
233
On-board computer and displays
Z
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