Problem
Possible causes/consequences and
X
X
Solutions
!
The red indicator
lamp for the
electric parking
brake flashes
and/or the yel-
low warning
lamp for the
electric parking
brake lights up.
G
Risk of accident
The electric parking brake is temporarily malfunctioning or defec-
tive.
X
Observe the additional messages in the multi-function display
(
Y
page 342).
J
The red brake
system warning
lamp comes on
while the engine
is running. A
warning tone
also sounds.
G
Risk of accident
There is insufficient brake fluid in the fluid reservoir.
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
Consult a qualified specialist workshop immediately.
X
Observe the additional messages in the multi-function display
(
Y
page 342).
Do not top up the brake fluid. This will not rectify the fault.
;
The yellow
engine diagnos-
tics warning
lamp lights up
while the engine
is running.
Vehicles with a diesel engine: the fuel tank has been run dry.
X
Start the engine three to four times after refuelling.
Emergency running mode is cancelled. The vehicle need not be
checked.
;
The yellow
engine diagnos-
tics warning
lamp lights up
while the engine
is running.
There may be a fault, for example:
R
in the engine management
R
in the ignition system
R
in the exhaust system
R
in the ignition system (for vehicles with petrol engines)
The emission limit values may be exceeded and the engine can
run in emergency mode.
X
Have the vehicle checked as soon as possible at a qualified
specialist workshop.
380
Troubleshooting
Practical
advice
221_AKB; 2; 3, en-GB
bjanott,
Version: 2.11.7.7
2009-02-27T14:56:10+01:00 - Seite 380
Dateiname: 6515231002_buchblock.pdf; erzeugt am 03. Mar 2009 15:18:38; WK