Mercedes-Benz S-Class 2011, Operator'S Manual

Page: 408 / 524

Display messages Possible causes/consequences and
M
Solutions
DISTRONIC PLUS
Currently
Unavailable See
Oper. Manual
DISTRONIC PLUS is deactivated and is temporarily inoperative if:
R
the DISTRONIC PLUS cover in the radiator grill is dirty.
R
the sensors in the bumpers are dirty.
R
the radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R
its function is impaired due to heavy rain or snow.
R
the system is outside the operating temperature range.
R
the on-board voltage is too low.
A warning tone also sounds.
DISTRONIC PLUS is operational again and the display message
disappears if:
R
the dirt (e.g. slush) drops away while the vehicle is in motion.
R
the system detects that the sensors are fully available again.
R
the system is within the operating temperature range.
If the display message continues to be displayed:
X
Clean the DISTRONIC PLUS cover in the radiator grill
(
Y
page 456).
X
Clean the bumpers (
Y
page 456).
X
Restart the engine.
DISTRONIC PLUS
Inoperative
DISTRONIC PLUS is faulty. BAS PLUS and PRE-SAFE
®
Brake may
also have failed. A warning tone also sounds.
X
Visit a qualified specialist workshop.
DISTRONIC PLUS
Override
You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
X
Take your foot off the accelerator pedal.
DISTRONIC PLUS
--- mph An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check activation conditions for DISTRONIC PLUS
(
Y
page 325).
406
Display messages
On-board computer and displays