Display messages Possible causes/consequences and
0004 Solutions
000B
Parking brake
Release brake Additionally, a warning tone sounds.
You are driving with the parking brake applied.
X
Release the parking brake ( Ypage 146). 0014
Seatbelt sys.
Visit workshop The belt system has malfunctioned.
G WARNING
In the event of an acciden torarapid deceleration, the seat belts
either cannot protect you as intended.
There is a risk of injury.
X Consult a qualified specialized workshop as soon as possible. SRS
Restraint system
Visit workshop The restraint systems have malfunctioned.
G WARNING
If SRS is malfunctioning, individual systems could be triggered
inadvertently or might not be triggered at all in the event of an
accident.
There is an increased risk of injury and accidents.
X Drive on with care.
X Visi taqualified specialist workshop immediately. Lights
Display messages Possible causes/consequences and
0004 Solutions
0002
Low beam left The left-hand low beam is faulty
2
.
X Halogen headlamps: replace the bulb as soon as possible
(Y page 98).
X Bi-Xenon headlamps: consult a qualified specialist workshop
as soon as possible. 0002
Low beam right The right-hand low-beam is faulty
2
.
X Halogen headlamps: replace the bulb as soon as possible
(Y page 98).
X Bi-Xenon headlamps: consult a qualified specialist workshop
as soon as possible. 0002
Cornering lt. left The left-hand cornering light is faulty
2
.
X Replace the bulb as soon as possible (Y page 98).2
Depending on the equipment ,the bulb-failure indicator may not be featured for any lamps other than the
turn signals. Display messages
201On-board computer and displays Z
Display messages Possible causes/consequences and
0004 Solutions
0002
Cornering
lt. right The right-hand cornering ligh
tis faulty 2
.
X Replace the bulb as soon as possible (Y page 98).0002
Lights on
automatical.
Remove key The automatic headlamp feature is active: the light switch is in the
0007
position and you have forgotten to remove the key.
X Remove the key from the ignition lock. 0002
Turn signal left The left-hand turn signal is faulty.
X
Change the bulb as soon as possible in the front (Y page 98) or
rear (Y page 99) indicator lamp. 0002
Turn signal right The right-hand turn signal is faulty.
X
Change the bulb as soon as possible in the front (Y page 98) or
rear (Y page 99) indicator lamp. 0002
Brake lamp left The left-hand brake lamp is faulty.
2
X Replace the bulb as soon as possible (Y page 99).0002
Brake lamp right The right brake lamp is faulty.
2
X Replace the bulb as soon as possible (Y page 99).0002
Third brake lamp The high-mounted brake lamp is faulty.
2
This display message will
only appearifa ll LEDs have failed.
X Consult a qualified specialized workshop as soon as possible. 0002
High beam left The left-hand high-beam is faulty.
2
X Replace the bulb as soon as possible (Y page 98).0002
High-beam right The right-hand high-beam is faulty.
2
X Replace the bulb as soon as possible (Y page 98).0002
License plate lamp Al
icense plate lamp is faulty. 2
X Replace the bulb as soon as possible (Y page 100).0002
Switch off lights You have forgotten to switch off the lights when leaving the
vehicle.
X
Turn the light switch to 000C.2
Depending on the equipment, the bulb-failure indicator may not be featured for any lamps other than the
turn signals. 202
Display messagesOn-board computer and displays
Driving systems
Display messages Possible causes/consequences and
0004 Solutions
Limit
... km/h The speed display flashes.
The vehicle has exceeded the speed set fo
rvariable
SPEEDTRONIC, e.g .onasteep downhill gradient (overrun mode).
X Apply the brakes yourselfa s required.Cruise control
Visit workshop Cruise control has been deactivated due to a malfunction.
X Have cruise control checked at a qualified specialist workshop. Tires
Display messages Possible causes/consequences and
0004 Solutions
Tire pres. Adjust
pres.
0001 The pressure is insufficient in one or more tires, or the pressures
of the individual tires differ significantly.
X
Check the tire pressure at the next opportunity and correct it if
necessary (Y page 281). Tire pres.
monitor
inoperative The tire pressure monitor has malfunctioned.
X
Have the tire pressure monitor and the wheels checked at a
qualified specialist workshop. Tire pres.
monitor currently
unavailable The tire pressure monitor function is temporarily unavailable due
to radio interference or undervoltage.
X
Once the causes have been remedied, the tire pressure monitor
is automatically activated. Tire pres.-
monitor
inoperative No
wheel sensors The tire pressure monitor is not receiving signals from one or more
wheels because:
R a wheel has been replaced with the spare wheel without wheel
electronics.
R the maximum temperature on one of the wheel electronics units
has been exceeded.
R the wheel electronics are malfunctioning.
X Have the tire pressure monitor and the wheels checked at a
qualified specialist workshop. Display messages
207On-board computer and displays Z
Problem Possible causes/consequences and
0004 Solutions
000D
The yellow ASR/
ESP®
warning
lamp flashes
while the vehicle
is in motion. G
WARNING
ESP ®
or ASR is intervening because at least one of the wheels has
reached its tire grip limit.
Cruise control is deactivated for the duration of the intervention.
X Adapt your driving style to suit the road and traffic conditions.
Do not use too much throttle.
X Drive slowly. 000D
The yellow ASR/
ESP®
warning
lamp is lit while
the engine is
running. ASR is deactivated.
G WARNING
The driven wheels can spin when accelerating.
There is an increased risk of skidding and accidents.
X Activate ASR again. Exceptions (Y page 58).0002
000E000A0008
The yellow ESP ®
, ABS
and ASR/BAS indicator
lamps and the red
brake system indicator
lamp are lit while the
engine is running. EBD is malfunctioning or deactivated due to undervoltage or
malfunction.
The battery may not be being charged.
G WARNING
The rear wheels could lock sooner than expected when you apply
the brakes. The braking distance can increase in emergency
braking situations.
There is an increased risk of skidding and accidents.
X Vehicles with steering wheel buttons: also observe the
messages in the display (Y page 192).
X Stop the vehicle as soon as possible, paying attention to road
and traffic conditions.
X Do not drive on.
X Consult a qualified specialist workshop. 210
Indicator and warning lamps in the instrument clusterOn-board computer and displays
Problem Possible causes/consequences and
0004 Solutions
0008
The red brake
system indicator
lamp is lit while
the engine is
running. There is insufficient brake fluid in the expansion tank.
G WARNING
Braking performance can be impaired.
There is a risk of an accident.
X Vehicles with steering wheel buttons:a lso observe the
messages in the display (Y page 192).
X Stop the vehicle as soon as possible, paying attention to road
and traffic conditions.
X Check the brake fluid level in the expansion tank
(Y page 245).
X If the brake fluid is below the MIN mark: do not drive on!
X Do not add brake fluid. This does not solve the problem.
X Consult a qualified specialist workshop. 0008
When towing a
trailer: the red
brake system
indicator lamp is
lit while the
engine is
running.
Additionally, a
warning tone
sounds. G
WARNING
The brake force booster in the trailer is faulty.
The driving and braking characteristics of your vehicle could
change. There is a risk of the trailer overbraking and of you losing
control over the truck/trailer combination.
There is a risk of an accident.
X Vehicles with steering wheel buttons :also observe the
messages in the display (Y page 192).
X Stop the vehicle as soon as possible, paying attention to road
and traffic conditions.
X Do not drive on.
X Consult a qualified specialist workshop. 000A
The yellow ASR/
BAS indicator
lamp is lit while
the engine is
running. ASR has been deactivated due to a malfunction.
The engine power output may be reduced.
G WARNING
The drive nwheels can spin when accelerating.
There is an increased risk of skidding and accidents.
X Drive on with care.
X Consult a qualified specialist workshop as soon as possible. Indicator and warning lamps in the instrument cluster
211On-board computer and displays Z
Problem Possible causes/consequences and
0004 Solutions
000A
The yellow ASR/
BAS indicator
lamp is lit while
the engine is
running. BAS has been deactivated due to a malfunction.
G WARNING
The brake system continues to function normally, but without
electronic support.
The braking distance can increase in emergency braking
situations.
There is a risk of an accident.
X Drive on with care.
X Visit a qualified specialist workshop immediately. 000A
The yellow ASR/
BAS indicator
lamp is lit while
the engine is
running. ASR and BAS have been deactivated due to undervoltage.
The battery may not be being charged.
G WARNING
The brake system is still available with the normal braking effect.
The driven wheels can spin when accelerating.
The braking distance can increase in emergency braking
situations.
There is an increased risk of skidding and accidents.
X Drive on with care.
X Visit a qualified specialist workshop immediately. 212
Indicator and warning lamps in the instrument clusterOn-board computer and displays
Problem Possible causes/consequences and
0004 Solutions
000E
The yellow ABS
indicator lamp is
lit while the
engine is
running. ABS is deactivated due to a malfunction or is temporarily
unavailable. ESP ®
, ASR and BAS, as well as cruise control, are also
unavailable as a result.
Self-diagnosis may not be complete, or the battery may not be
charging.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock, e.g. if the
brakes are applied with maximum force.
This causes steerability and braking to be greatly impaired.
The braking distance can increase in emergency braking
situations.
The driven wheels can spin when accelerating.
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Drive a short distance at a speed above 13 mph (20 km/h).
The functions mentioned above are available again when the
indicator lamp goes out.
If the indicator lamp does not go out:
X Drive on with care.
X Visit a qualified specialist workshop immediately. 0009
The yellow DEF
indicator lamp is
lit while the
engine is
running. The exhaust gas aftertreatment is malfunctioning or the current
Diesel Exhaust Fluid (DEF) supply is limiting the vehicle range.
X
Observe the messages in the display. 0002
The yellow ESP ®
indicator lamp is
lit while the
engine is
running. ESP
®
is deactivated due to undervoltage or a malfunction .As a
result, cruise control has also been deactivated.
Engine power output may be reduced.
The battery may not be being charged.
G WARNING
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Vehicles with steering wheel buttons: also observe the
messages in the display (Y page 192).
X Drive on with care.
X Visit a qualified specialist workshop immediately. Indicator and warning lamps in the instrument cluster
213On-board computer and displays Z
Problem Possible causes/consequences and
0004 Solutions
0008
The red 0008
warning lamp
does not go out
approximately
4s econds after
the ignition is
switched on, or
it lights up again. The restraint systems have malfunctioned.
G WARNING
If SRS is malfunctioning, individual systems could be triggered
inadvertently or might not be triggered at all in the event of an
accident.
There is an increased risk of injury and accidents.
X Drive on with care.
X Visit a qualified specialist workshop immediately. 0010
The red battery
indicator lamp is
lit while the
engine is
running. The battery is not being charged. Possible causes are a defective
alternator or a torn poly-V-belt.
X
Stop the vehicle as soon as possible, paying attention to road
and traffic conditions.
X Check the poly-V-belt.
X If the poly-V-belt is torn: do not continue driving. Consult the
nearest qualified specialist workshop.
X If the poly-V-belt is not damaged: have the vehicle checked as
soon as possible by a qualified specialist workshop. 0010
The red battery
indicator lamp is
lit while the
engine is
running. The battery is faulty.
X
Stop the vehicle as soon as possible, paying attention to road
and traffic conditions.
X Do not continue driving under any circumstances.
X Consult a qualified specialist workshop. 0005
The yellow brake
pad wear
indicator lamp is
lit after the
engine is started
or while the
vehicle is in
motion. The brake pads/linings have reached their wear limit.
G WARNING
Braking performance can be impaired.
There is a risk of an accident.
X Have the brake pads/linings replaced as soon as possible at a
qualified specialist workshop. 001D
The yellow
engine oil level
warning lamp is
lit after the
engine is started
or while the
vehicle is in
motion. The oil level has dropped to the minimum level.
X
Check the engine for oil loss.
X If oil loss is detected: consult a qualified specialist workshop
immediately.
X If no oil loss is detected: chec kthe oil level and add engine oil
(Y page 243). 214
Indicator and warning lamps in the instrument clusterOn-board computer and displays