Display messages
Possible causes/consequences and
M
M
Solutions
J
Release parking
Release parking
brake
brake
You are driving with the parking brake applied. A warning tone also
sounds.
X
Release the parking brake.
J
Check brake fluid
Check brake fluid
level
level
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.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X
Safeguard the vehicle against rolling away (
Y
page 157).
X
Consult a qualified specialist workshop.
X
Do not top up the brake fluid. This does not correct the fault.
#
Check
Check brake
brake pad
pad wear
wear
The brake pads/linings have reached their wear limit.
X
Consult a qualified specialist workshop.
G
Inoperative
Inoperative
One or more main features of the Mercedes-Benz Contact system are
malfunctioning.
X
Consult a qualified specialist workshop.
Collision Preven‐
Collision Preven‐
tion Assist Plus
tion Assist Plus
currently unavaila‐
currently unavaila‐
ble
ble See
See Owner's
Owner's Man‐
Man‐
ual
ual
COLLISION PREVENTION ASSIST PLUS is temporarily inoperative.
Possible causes:
R
the radar sensor system is temporarily inoperative, e.g. due to elec-
tromagnetic radiation emitted by nearby TV or radio stations or
other sources of electromagnetic radiation
R
the system is outside the operating temperature range
R
the on-board voltage is too low
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:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Safeguard the vehicle against rolling away (
Y
page 157).
X
Restart the engine.
Collision Preven‐
Collision Preven‐
tion Assist Plus
tion Assist Plus
inoperative
inoperative
COLLISION PREVENTION ASSIST PLUS is temporarily inoperative due
to a malfunction. Adaptive Brake Assist may also have failed.
X
Consult a qualified specialist workshop.
232
Display messages
On
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