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Display messages
Possible causes/consequences and
M
M
Solutions
!
Turn on the igni‐
Turn on the igni‐
tion to release
tion to release
the parking brake
the parking brake
The red
!
indicator lamp lights up.
You attempted to release the electric parking brake while the igni-
tion was switched off.
X
Switch the ignition on.
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
Secure the vehicle against rolling away (
Y
page 207).
X
Consult a qualified specialist workshop.
X
Do not top up the brake fluid. This does not correct the fault.
#
Check brake pad
Check brake pad
wear
wear
The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop.
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 PREVENTION ASSIST PLUS is temporarily inoperative.
Possible causes:
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
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
Secure the vehicle against rolling away (
Y
page 207).
X
Restart the engine.
322
Display messages
On
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oar
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Summary of Contents for C-Class
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Page 370: ...Useful information 368 Stowage areas 368 Features 376 367 Stowing and features ...
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