Mercedes-Benz 2012 E-Class Sedan Operator's Manual page 255

Display messages
DISTRONIC PLUS
Currently
Unavailable See
Operator's Manual
DISTRONIC PLUS
Inoperative
DISTRONIC PLUS
Override
DISTRONIC PLUS
--- mph
Possible causes/consequences and M Solutions
DISTRONIC PLUS is deactivated and is temporarily inoperative if:
the DISTRONIC PLUS cover in the radiator grill is dirty.
R
its function is impaired due to heavy rain or snow.
R
the sensors in the bumpers are dirty.
R
the radar sensor system is temporarily inoperative, e.g. due to
R
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
the system is outside the operating temperature range.
R
the on-board voltage is too low.
R
A warning tone also sounds.
DISTRONIC PLUS is operational again and the display message
disappears if:
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.
R
If the display message continues to be displayed:
X
Clean the DISTRONIC PLUS cover in the radiator grill
( Y page 317).
X
Clean the bumpers (
X
Restart the engine.
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.
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.
An activation condition for DISTRONIC PLUS is not fulfilled.
X
Check the activation conditions for DISTRONIC PLUS
( Y page 177).
I n f o r m a t i o n P r o v i d e d b y :
Display messages
Y page 317).
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Z