Display messages on vehicles wit
hsteering wheel buttons
Safety systems Display messages Possible causes/consequences and
0004 Solutions
ABS
Visit workshop ABS has been deactivated due to a malfunction. ESP
®
, ASR and
BAS, as well as cruise control, have also been deactivated as a
result.
G WARNING
The brake system continue sto function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
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 on with care.
X Visit a qualified specialist workshop immediately. ABS
Unavailable ABS is temporarily unavailable. ESP
®
, ASR and BAS, as well as
cruise control, are also unavailable as a result.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
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).
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X Drive on with care.
X Visit a qualified specialist workshop immediately. Display messages
197On-board computer and displays Z
Display messages Possible causes/consequences and
0004 Solutions
ABS
Unavailable AB
Sh as been deactivated due to undervoltage. ESP ®
, ASR and
BAS, as well as cruise control, are also unavailable as a result.
The battery may no tbe being charged.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
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 on with care.
X Visit a qualified specialist workshop immediately. 000A
Visit workshop ASR has been deactivated due to a malfunction.
The engine power output may be reduced.
G WARNING
The driven wheels can spin when accelerating.
There is an increased risk of skidding and accidents.
X Drive on with care.
X Visit a qualified specialist workshop immediately. 000A
Visit workshop BASh
as 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 ris kofanaccident.
X Drive on with care.
X Visit a qualified specialist workshop immediately. 198
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0004 Solutions
000A
Unavailable ASR and BA
Shave been deactivated due to undervoltage.
The battery may no tbe being charged.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you
brake hard, for example.
The braking distance can increase in emergency braking
situations. The driven wheels can spin when accelerating.
There is an increased risk of skidding and accidents.
X Drive on with care.
X Visit a qualified specialist workshop immediately. 0005
Brake wear Visit
workshop The brake pads/linings have reached their wear limit.
X Have the brake pads/linings replaced as soon as possible at a
qualified specialist workshop. 0008
Brake fluid Visit
workshop There is insufficient brake fluid in the fluid reservoir.
G WARNING
Braking performance can be impaired.
There is a risk of an accident.
X Stop the vehicle as soon as possible, paying attention to road
and traffic conditions.
X Check the brake fluid level in the brake fluid reservoir
(Y page 245).
If the brake fluid is below the MIN mark:
X Do not continue driving under any circumstances.
X Do not add brake fluid. This does not solve the problem.
X Consult a qualified specialist workshop.
If the brake fluid is above the MIN mark:
X Drive on with care.
X Visit a qualified specialist workshop immediately. Display messages
199On-board computer and displays Z
Display messages Possible causes/consequences and
0004 Solutions
0008
Brake force
distribution EB
Dh as been deactivated due to undervoltage.
The battery may no tbe being charged.
G WARNING
The rear wheels could lock when you apply the brakes. The braking
distance can increase in emergency braking situations.
There is an increased risk of skidding and accidents.
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. 0008
Brake force
distribution Visit
workshop EBDh
as been deactivated due to a malfunction.
G WARNING
The rear wheels could loc kwhen you apply the brakes. The braking
distance can increase in emergency braking situations.
There is an increased risk of skidding and accidents.
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. ESP
Visit workshop ESP
®
has been deactivated due to a malfunction. As a result,
cruise control has also been deactivated.
Engine power output may be reduced.
G WARNING
If ESP ®
is not operational, ESP ®
will not stabilize the vehicle.
There is an increased risk of skidding and accidents.
X Drive on with care.
X Visit a qualified specialist workshop immediately. ESP
Unavailable ESP
®
has been deactivated due to undervoltage. As a result, cruise
control has also been deactivated.
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 Drive on with care.
X Consult a qualified specialized workshop as soon as possible. 200
Display messagesOn-board computer and displays
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
Engine
Display messages Possible causes/consequences and
0004 Solutions
Check Diesel
Exhaust Fluid See
Operator's Manual The Diesel Exhaust Fluid (DEF) supply has dropped below
1.5 US gal (5.5 l).
After the message appears for the first time, and under normal
driving conditions, the remaining DE
Fsupply will last for
approximately 1000 miles (1600 km).
After that, th e0.8 US ga l(3.0 l) reserv emark is reached. A warning
tone sequence sounds and th eengine can then only be started
another 16 times.
X add DEF supply (Y page 143).
After topping up, the system check takes approximately
20 seconds. The display message then disappears. Check Diesel
Exhaust Fluid See
Operator's Manual If the yellow
0018engine diagnosis indicator lamp lights up as
well, the DEF reducing agent is contaminated, diluted or not
compliant with ISO 22241.
After the first message and under normal operating conditions,
you can drive on for up to approximatel y50 miles (80 km). Then
a warning tone sequence sounds and the engine can only be
started another 16 times.
Have the DEF tank cleaned and refilled at a qualified specialist
workshop as soon as possible. 0009
xx
starts remaining The Diesel Exhaus
tFluid (DEF) supply has dropped below the
0.8 US gal (3.0 l) reserve mark.
After the message appears for the first time, the remaining DEF
supply will last for approximately 100 0miles (1600 km). The
engine can the nonly be started another twenty times.
The numbe rofremaining engine starts xx (16 to
0 ) is shown in the
message every time the engine is started. Once the number 0 is
shown, the yellow 0018engine diagnosis indicator lamp lights up
and the engine can no longer be started.
X Add at least 2.0 US gal (7.6l) of DEF (Y page 143).
After topping up, the system chec ktakes approximately
20 seconds. The display message then disappears. 0009
xx
starts remaining In addition, the yellow
0018engine diagnosis indicator lamp lights
up.
Afte rthe message appears for the first time, the engine can only
be started another 16 times.
The number of remaining engine starts xx (16 to
0 ) is shown in the
message every time the engine is started. Once the number 0 is
shown, the engine can no longer be started. 204
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0004 Solutions
The DE
Freducing agent is contaminated, diluted or is not
compliant with ISO 22241.
X Have the DEFt ank cleaned and refilled at a qualified specialist
workshop immediately. The exhaust gas aftertreatmen
tis malfunctioning or an emission
relevant malfunction has occurred. This malfunction or defect can
damage the exhaust gas aftertreatment.
X Visit a qualified specialist workshop immediately. 0014
Coolant
Stop, turn
engine off The coolant temperature is too high.
X
Stop the vehicle as soon as possible, paying attention to road
and traffic conditions.
X Consult a qualified specialist workshop. 0014
Coolant
Stop, turn
engine off The coolant temperature is too high.
If the vehicle is stopped after being subjected to extreme loads,
the coolant warning lamp may come on when the ignition is
switched on or the engine is restarted. Such loads can be, for
example, driving in mountainous terrain or driving with a trailer.
X
Run the engine for approximately 1minute at idling speed.
X Consult a qualified specialist workshop if the display message
continues to be shown. 0017
Check
coolant level The coolan
tlevel is too low.
Never run the engine if the coolant level is too low. The engine
could overheat and be damaged.
X Stop the vehicle as soon as possible, paying attention to road
and traffic conditions.
X Switch off the engine and let it cool down.
X Add coolant and be sure to observe the warning notes
(Y page 324).
X If you need to add coolant frequently, have the engine cooling
system checked at a qualified specialist workshop. 0016
Reserve
fuel Drive
to a filling stat. The fuel level has fallen into the reserve range.
X Refuel at the nearest gas station (Y page 142).000E
Water in fuel
Visit workshop The water that has collected in the water separator has reached
the maximum level.
X
Drain the water separator (Y page 247). Display messages
205On-board computer and displays Z
Display messages Possible causes/consequences and
0004 Solutions
Check tire(s)
0001 The pressure of one or more tires has dropped significantly. If the
tire pressure monitor has detected the affected wheel, the wheel
position is also displayed.
X
Stop the vehicle as soo naspossible, paying attention to road
and traffic conditions.
X Check the tires.
X Repairorc hange the wheel if necessary (Y page 302).
X Check the tire pressure and correct it if necessary
(Y page 281).
The display message disappears automatically after driving for
a few minutes with the corrected tire pressure. Warning Tire defect
0001 One or more tires is losing air rapidly.Ift
he tire pressure monitor
has detected the affected wheel, the wheel position is also
displayed.
X Stop the vehicle without making any sudden steering or braking
maneuvers, paying attention to the traffic conditions as you do
so.
X Repair or change the wheel (Y page 302).Vehicle
Display messages Possible causes/consequences and
0004 Solutions
0010
Battery/
Alternator Visit
workshop 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 a
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. 0001
Electrical Step The electrical step has retracted or extended only partially or not
at all.
X
Make sure there is sufficient free space for the electrical step.
X Open or close the sliding door again.
X If the electrical step still does not extend or retract fully, push
the step in manually (Y page 72). Before stepping out, remind
the passengers that the step is missing. 208
Display messagesOn-board computer and displays