Page 247 of 590
Display messages Possible causes/consequences and
0003 Solutions
0005(USA
only)
000B(Canada
only)
Parking Brake Inoperative The yellow
000Bwarning lamp lights up. The red 0005(USA
only)/ 000B(Canada only) indicato rlamp flashes for about ten
seconds after the electric parking brake has been applied or
released. It then goes out or remains lit.
The electric parking brake is malfunctioning, e.g .because of
overvoltage or undervoltage.
X Remove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
X Engage or release the electric parking brake.
If it remains impossible to apply or release the electric parking
brake:
X Switch off the ignition and turn it back on.
X Engage or release the electric parking brake.
If the electric parking brake still cannot be released:
X Consult a qualified specialist workshop. The display message is only shown while the vehicle is in motion.
The yellow
000Bwarning lamp lights up and the red 0005(USA
only)/ 000B(Canada only) indicator lamp flashes.
It is not possible to apply the electric parking brake manually.
X Shift the transmission to P.
X Visit a qualified specialist workshop. 0005(USA
only)000B(Canada
only) The red
0005(USA only)/000B (Canada only) indicator lamp lights
up.
You attempted to release the electric parking brake while the
ignition was switched off.
X SmartKey: turn the SmartKey to position 1in the ignition lock.
X KEYLESS-GO: switch on the ignition. Display messages
245On-board computer and displays Z
Page 248 of 590
Display messages Possible causes/consequences and
0003 Solutions
000E(USA
only)
0007(Canada
only)
Check Brake Fluid Level There is no
tenough brake fluid in the brake fluid reservoir.
In addition, the 000E(USA only)/0007 (Canada only) warning
lamp lights up in the instrument cluster and a warning tone
sounds.
G WARNING
The braking effect may be impaired.
There is a ris kofanaccident.
X Pull ove rand stop the vehicle safely as soo nas possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 175).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. 0008
Check Brake Pad
Wear The brake pads/linings have reached their wear limit.
X
Visit a qualified specialist workshop. 0007
mbrace Inoperative One or more main features of the mbrace system are
malfunctioning.
X
Have the mbrace system checked immediately at a qualified
specialist workshop. PRE-SAFE
Inoperative See
Operator's Manual Important functionso
f PRE-SAFE®
have failed .All other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. 246
Display messagesOn-board computer and displays
Page 250 of 590
Display messages Possible causes/consequences and
0003 Solutions
001B
SRS Malfunction
Service Required There is a malfunction in the SRS (Supplemental Restraint
System). The
001Bwarning lamp also lights up in the instrument
cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased ris kofinjury.
X Visi taqualified specialist workshop.
For further information about SRS, see (Y page 53).001B
Front Left
Malfunction
Service Required
or
Front Right Malfunction
Service Required SRS has malfunctioned at the front on the left or right. The
001B
warning lamp also lights up in the instrument cluster.
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. 001B
Left Side Curtain
Airbag Malfunction
Service Required
or
Right Side Curtain Airbag
Malfunction
Service Required There is a malfunction in the left-hand and/or right-hand head bag.
The
001B warning lamp also lights up in the instrument cluster.
G WARNING
The left or right head bag may either be triggered unintentionally
or, in the event of an accident, may not be triggered.
There is an increased risk of injury.
X Visit a qualified specialist workshop. 248
Display messagesOn-board computer and displays
Page 255 of 590
Display messages Possible causes/consequences and
0003 Solutions
0001
Check
Left Daytime
Running
Light or
Check Right Daytime
Running Light The left-hand or right-hand daytime running lamp is faulty.
X Visit a qualified specialist workshop. 0001
Active Light
System Inoperative The active ligh
tfunction is defective.
X Visi taqualified specialist workshop. 0001
Malfunction See
Operator's Manual The exterior lighting is defective.
X
Visit a qualified specialist workshop. 0001
AUTO
Lamp Function
Inoperative The light senso
ris defective.
X Visit a qualified specialist workshop. 0001
Switch Off Lights The lights are still switched on when you leave the vehicle. A
warning tone also sounds.
X
Turn the light switch to 0006.Adaptive Highbeam
Assist Inoperative Adaptive Highbeam Assist is faulty.
X
Visit a qualified specialist workshop. Adaptive Highbeam
Assist Currently
Unavailable See
Operator's Manual Adaptive Highbeam Assist is deactivated and temporarily
inoperative. Possible causes are:
R the windshield in the camera's field of vision is dirty.
R visibility is impaired due to heavy rain, snow or fog.
X Cleant he windshield.
If the system detects that the camera is fully operational again,
the Adaptive Highbeam Assist Now Available message is
displayed.
Adaptive Highbeam Assist is operational again. Display messages
253On-board computer and displays Z
Page 272 of 590
Warning and indicator lamps
Safety
Seat belts Problem Possible causes/consequences and
0003 Solutions
000F
After starting the
engine, the red seat
bel twarning lamp lights
up for 6seconds. The seat belt warning lamp reminds the driver and fron
tpassenger
to fasten their seat belts.
X Faste nyour seat belt (Y page 67). 000F
After starting the
engine, the red seat
belt warning lamp lights
up. In addition, a
warning tone sounds
for up to six seconds.
The driver's seat belt is not fastened.
X
Fasten your seat belt (Y page 67).
The warning tone ceases. 000F
The red seat belt
warning lamp lights up
after the engine starts,
as soon as the driver's
or the front-passenger
door is closed. The driver or front passenger has not fastened their seat belt.
X
Fasten your seat belt (Y page 67).
The warning lamp goes out. There are objects on the front-passenger seat.
X
Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out. 000F
The red seat belt
warning lamp flashes
and an intermittent
audible warning
sounds. The driver or front passenger has not fastened their seat belt. The
car is being driven faster than 15 mph (25 km/h) or has briefly
been driven faster than 15 mph (25 km/h).
X
Fasten your seat belt (Y page 67).
The warning lamp goes out and the intermittent warning tone
ceases. There are objects on the front-passenger seat. The car is being
driven faster than 15 mph (25 km/h) or has briefly been driven
faster than 15 mph (25 km/h).
X
Remove the objects from the front-passenger seat and stow
them in a secure place.
The warning lamp goes out and the intermittent warning tone
ceases. 270
Warning and indicator lampsOn-board computer and displays
Page 278 of 590
Problem Possible causes/consequences and
0003 Solutions
0005
(USA only)
000B (Canada only)
The red electric parking
brake indicator lamp
flashes or lights up
and/or
000B
warning lamp for the
electric parking brake
lights up. X
Observe the additional display messages in the multifunction
display. 001B
The red SRS warning
lamp is lit while the
engine is running.
There is a malfunction in the SRS (Supplemental Restraint
System).
G WARNING
The air bags or Emergency Tensioning Devices may either be
triggered unintentionally or, in the event of an accident, may not
be triggered.
There is an increased risk of injury.
X Drive on carefully.
X Have SRS checked at a qualified specialist workshop
immediately.
For further information about the Supplemental Restraint System,
see (Y page 53). 276
Warning and indicator lampsOn-board computer and displays
Page 279 of 590
Engine
Problem Possible causes/consequences and
0003 Solutions
0013
The yellow Check
Engine warning lamp
lights up while the
engine is running.
There may be a malfunction, for example:
R
in the engine management
R in the fuel injection system
R in the exhaust system
R in the ignition system
R in the fuel system
The emission limit values may be exceeded and the engin emay
be running in emergency mode.
X Have the vehicle checked as soon as possible at a qualified
specialist workshop.
i In some states, you must immediately visit a qualified
specialist workshop as soon as the yellow Chec kEngine warning
lamp lights up .This is due to the legal requirements in effect in
these states. If in doubt, check whether such legal regulations
apply in the state in which you are currently driving. 0014
The yellow reserve fuel
warning lamp lights up
while the engine is
running.
The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station. 0014
The yellow reserve fuel
warning lamp flashes
while the vehicle is in
motion.
In addition, the
0013
Check Engine warning
lamp may light up. The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X
Check that the fuel filler cap is correctly closed.
X If the fuel filler cap is not correctly closed: close the fuel filler
cap.
X If the fuel filler cap is closed: visit a qualified specialist
workshop. 0011
The red coolant
warning lamp lights up
while the engine is
running and the coolant
temperature gauge is
at the start of the scale.
The temperature sensor for the coolant temperature gauge is
defective.
The coolant temperature is no longer being monitored. There is a
risk of engine damage if the coolant temperature is too high.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions. Do not continue
driving under any circumstances.
X Secure the vehicle against rolling away (Y page 175).
X Consult a qualified specialist workshop. Warning and indicator lamps
277On-board computer and displays Z
Page 281 of 590
Problem Possible causes/consequences and
0003 Solutions
X
Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and add coolant, observing the warning
notes (Y page 514).
X If you need to add coolant more often than usual, have the
engine coolant system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X At coolant temperatures below 248 ‡(120 †), drive to the next
qualified specialist workshop.
X Avoid subjecting the engine to heavy loads, e.g. driving in
mountainous terrain, and stop-and-go traffic. Driving systems
Problem Possible causes/consequences and
0003 Solutions
000D
The red distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds.
You are approaching a vehicle or a stationary obstacle in you
rline
of travel at too high a speed.
X Be prepared to brake immediately.
X Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
Further information on DISTRONIC PLUS (Y page 187).
Further information on PRE-SAFE ®
Brake (Y page 79). Warning and indicator lamps
279On-board computer and displays Z
