Operation Manual

Display messages
Possible causes/consequences and MM Solutions
$(USA
only)J(Canada
only)
Check Brake FluidCheck Brake Fluid
LevelLevel
There is not enough brake fluid in the brake fluid reservoir.
A warning tone sounds. The $ (USA only)/J (Canada only)
warning lamps in the instrument cluster may also light up.
G
WARNING
The braking effect 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
Secure the vehicle against rolling away (Y page 160).
X
Consult a qualified specialist workshop.
X
Do not add brake fluid. This does not correct the malfunction.
#
Check Brake PadCheck Brake Pad
WearWear
The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop.
G
InoperativeInoperative
One or more main features of the mbrace system are malfunc-
tioning.
X
Have the mbrace system checked immediately at a qualified
specialist workshop.
Collision Preven‐Collision Preven‐
tion Assist Plustion Assist Plus
Currently Unavail‐Currently Unavail‐
able See Opera‐able See Opera‐
tor's Manualtor's Manual
COLLISION PREVENTION ASSIST PLUS is temporarily not opera-
tional.
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.
R
AMG vehicles: ESP
®
is deactivated.
When the causes stated above no longer apply, the display mes-
sage disappears.
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
Secure the vehicle against rolling away (Y page 160).
X
Restart the engine.
X
AMG vehicles: reactivate ESP
®
(Y page 68).
224
Display messages
On-board computer and displays