Mercedes-Benz E-Class Saloon Owner's Manual page 306

Display messages
J
Check brake fluid Check brake fluid
level level
#
Check brake pad Check brake pad
wear wear
G
inoperative inoperative
Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
currently unavail‐ currently unavail‐
able See Owner's able See Owner's
Manual Manual
Collision Preven‐ Collision Preven‐
tion Assist Plus tion Assist Plus
inoperative inoperative
Possible causes/consequences and M M Solutions
There is insufficient brake fluid in the brake fluid reservoir.
In addition, the red J warning lamp lights up in the instrument
cluster and a warning tone sounds.
G WARNING
Braking efficiency may be impaired.
There is a risk of an accident.
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions. Do not continue driving
under any circumstances.
Safeguard the vehicle against rolling away (
X
Consult a qualified specialist workshop.
X
Do not top up the brake fluid. This does not correct the fault.
X
The brake pads/linings have reached their wear limit.
Consult a qualified specialist workshop.
X
One or more main features of the Mercedes-Benz Connect system
are malfunctioning.
Have the system checked at a qualified specialist workshop.
X
COLLISION PREVENTION ASSIST PLUS is temporarily inoperative.
Possible causes:
the radar sensor system is temporarily inoperative, e.g. due to
R
electromagnetic radiation emitted by nearby TV or radio sta-
tions or other sources of electromagnetic radiation
the system is outside the operating temperature range
R
the on-board voltage is too low
R
Once the causes listed above no longer apply, the display message
goes out.
COLLISION PREVENTION ASSIST PLUS is operational again.
If the display message does not disappear:
Pull over and stop the vehicle safely as soon as possible, paying
X
attention to road and traffic conditions.
Safeguard the vehicle against rolling away (
X
Restart the engine.
X
COLLISION PREVENTION ASSIST PLUS is temporarily inoperative
due to a malfunction. Adaptive Brake Assist may also have failed.
Consult a qualified specialist workshop.
X
Display messages
page 205).
Y
page 205).
Y
303
Z