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
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
Display messages Possible causes/consequences and
0004 Solutions
0002
Foglamp front left The left-hand fron
tfog lamp is faulty. 2
X Replace the bulb as soon as possible (Y page 98).0002
Foglamp
front right The right-hand front fog lamp is faulty.
2
X Replace the bulb as soon as possible (Y page 98).0002
Rear foglamp The rear fog lamp is faulty.
2
X Replace the bulb as soon as possible (Y page 99).0002
Parking
lamp front
left The front left parking lamp/standing lamp is faulty.
2
X Replace the bulb as soon as possible (Y page 98).0002
Parking
lamp front
right The front right parking lamp/standing lamp is faulty
2
.
X Replace the bulb as soon as possible (Y page 98).0002
Reverse lamp One of the backup lamps is faulty.
2
X Replace the bulb as soon as possible (Y page 99).0002
Tail lamp left The left-hand tail lamp is faulty.
2
X Replace the bulb as soon as possible (Y page 99).0002
Tail lamp right The right-hand tail lamp is faulty.
2
X Replace the bulb as soon as possible (Y page 99).0002
Perim. lamps Ap
erimeter lamp is faulty. 2
X Replace the bulb as soon as possible (Y page 101).2
Depending on the equipment ,the bulb-failure indicator may not be featured for any lamps other than the
turn signals. Display messages
203On-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
001D
Engine
oil Add 1.0
quart(Canada: 1.0
liter) The oil level is too low.
X
Chec kthe oil level the next time you refuel (Y page 242), and
add oil. 001D
Engine oil level
Not when eng.
running You want to check the oil level even though the engine is running.
X
Switch off the engine.
X Check the oil level (Y page 242).001D
Engine oil level
Reduce oil level You have added too much engine oil. There is a risk of damaging
the engine or catalytic converter.
X
Check the oil level.
X If the oil level is too high: have the engine oil extracted at the
next qualified specialist workshop.
X If the oil level is correct: have the malfunction rectified at the
next qualified specialist workshop. 001D
Engine oil level
Stop, turn engine
off There is not enough or no oil in the engine. There is a danger of
engine damage.
X
Stop the vehicle as soon as possible, paying attention to road
and traffic conditions.
X Check the oil level with the oil dipstick (Y page 243).
X If the engine oil level is correct: have the malfunction rectified
immediately at a qualified specialist workshop.
X If the engine oil level is too low: have the vehicle towed to a
qualified specialist workshop. 001D
Oil sensor Visit
workshop There is a malfunction in the engine oil level display.
X
Have the vehicle checked immediately at a qualified specialist
workshop. 206
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