Page 225 of 334

Problem
Possible causes/consequences and
0050
0050Solutions 00B2
The yellow
engine oil level
warning lamp
flashes and the
warning buzzer
sounds after the
engine is started
or while the vehi-
cle is in motion. On vehicles with a diesel engine, the oil level display additionally
appears in the display, e.g.
– 2.0 qts – 2.0 qts(Canada:– 2.0 ltr
– 2.0 ltr).
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 251).
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. 00B2
The yellow
engine oil level
warning lamp
lights up and the
warning buzzer
sounds after the
engine is started
or while the vehi-
cle is in motion. The engine oil level is above the maximum level.
There is a risk of damaging the engine or catalytic converter.
X Check the oil level with the oil dipstick (Y page 251).
X If the oil level is too high: have the engine oil extracted as soon
as possible at a qualified specialist workshop.
X If the oil level is correct: have the malfunction rectified as soon
as possible at a qualified specialist workshop. 00B2
On vehicles with
a diesel engine,
the yellow
engine oil level
warning lamp
lights up repeat-
edly during the
journey. There is a malfunction in the engine oil level display.
X Have the vehicle checked immediately at a qualified specialist
workshop. 003F
The yellow cool-
ant level warning
lamp lights up
while the engine
is running. The coolant level 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 253).
X If you need to add coolant frequently, have the engine cooling
system checked at a qualified specialist workshop. Indicator and warning lamps in the instrument cluster
223On-board computer and displays Z
Page 226 of 334

Problem
Possible causes/consequences and
0050
0050Solutions 00AC
The red coolant
warning lamp is
lit while the
engine is run-
ning. 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. 00AC
The red coolant
warning lamp is
lit while the
engine is run-
ning. 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 1 minute at idling speed.
X Consult a qualified specialist workshop if the display message
continues to be shown. 00B5
0077
The yellow
reserve fuel
warning lamp is
on. At the same
time,
0 0, appears
in the fuel tank
content display
while the engine
is running,
although there is fuel in the fuel
tank. The fuel filler cap is not closed.
X Close the fuel filler cap.
You will hear a click when the fuel filler cap is closed fully.
X If the malfunction continues to be displayed, have it rectified
immediately at a qualified specialist workshop. 00B9
The yellow
Check Engine
indicator lamp is
lit up or flashes
while the engine
is running. You have used up all fuel in the tank.
The engine is running in emergency mode.
X Refuel at the nearest gas station (Y page 145).
X Bleed the fuel system (Y page 141).
X Start the engine three to four times in succession after refueling.
Emergency running mode will be canceled. The vehicle does notneed to be checked. 00B9
The yellow
Check Engine
indicator lamp is
lit up or flashes
while the engine
is running. The injection control is malfunctioning.
The engine is running in emergency mode.
Engine power output may be reduced.
X Have the vehicle checked at a qualified specialist workshop as
soon as possible.
In some states it is legally prescribed that after the check engine
indicator lamp lights up you must contact a qualified specialist
workshop immediately. Observe the legal requirements. 224
Indicator and warning lamps in the instrument clusterOn-board computer and displays
Page 227 of 334

Problem
Possible causes/consequences and
0050
0050Solutions 00B9
The yellow
Check Engine
indicator lamp is
lit while the
engine is run-
ning. The exhaust gas aftertreatment is malfunctioning or an emission
relevant malfunction has occurred. This malfunction or defect can
damage the exhaust gas aftertreatment.
After the first message and under normal operating conditions,
you can drive on for up to approximately 500 mi (800 km). Then a
warning tone sequence sounds and the engine can only be started another 16 times.
X Observe the messages in the display.
X Have the exhaust gas aftertreatment checked immediately at a
qualified specialist workshop.
In some states it is legally prescribed that after the check engine
indicator lamp lights up you must contact a qualified specialist
workshop immediately. Observe the legal requirements. 0028
If you turn the
key to position 2
in the ignition
lock, the yellow
preglow indica-
tor lamp
remains lit for
approximately
1 minute. Or the
yellow preglow
indicator lamp
lights up for
approximately
1 minute while
the engine is
running. At extremely low temperatures, the engine may not start.
There is a malfunction in the preglow system.
X Have any malfunction rectified at a qualified specialist work-
shop. 009F
The yellow air fil-
ter indicator
lamp is lit while
the engine is
running. The service limit for the air filter has been reached. The air filter is
dirty.
X Have the air filter element replaced as soon as possible at a
qualified specialist workshop. Indicator and warning lamps in the instrument cluster
225On-board computer and displays Z
Page 228 of 334

Problem
Possible causes/consequences and
0050
0050Solutions 0077
The yellow tire
pressure moni-
tor warning lamp
comes on. G
WARNING
The tire pressure monitor indicates a rapid or severe loss of pres- sure in at least one tire.
X Stop the vehicle without making any extreme steering maneu-
vers or braking suddenly. Pay attention to the traffic conditions
while doing so.
X Check the tires and correct the tire pressure. If a tire continues
to lose pressure, it must be replaced. Replace damaged tires
immediately.
The warning light will go out after the flat tire has been rectified
and you have been driving for a few minutes.
X Vehicles with steering wheel buttons: also observe the mes-
sages in the display (Y page 197).0077
US vehicles
only:
The yellow tire
pressure moni-
tor warning lamp
flashes for
60 seconds and
then remains lit. The tire pressure monitor has malfunctioned.
X Have the tire pressure monitor and the wheels checked at a
qualified specialist workshop. 00B8
The yellow water
separator indi-
cator lamp is lit
when the igni-
tion is switched
on. The water that has collected in the water separator of the fuel filter
has reached the maximum level.
X Drain the water separator (Y page 255).00B1
The yellow
washer fluid
level indicator
lamp for the
windshield
washer/head-
lamp cleaning
system is lit
after the engine
is started or
while the vehicle
is in motion. The water level is too low.
X
Add washer fluid (Y page 255).226
Indicator and warning lamps in the instrument clusterOn-board computer and displays
Page 229 of 334

Problem
Possible causes/consequences and
0050
0050Solutions 0076
The red seat belt
warning lamp
lights up contin-
uously or
flashes. A warn-
ing tone may
also sound. The warning lamp is to remind you to fasten your seat belt.
X Fasten seat belt (Y page 45). 0049
When the key is
turned to posi-
tion2in the igni-
tion lock, the
yellow bulb
warning lamp
lights up. One of the exterior lighting bulbs is faulty, with the exception of the
perimeter lamps and the trailer lighting.
i Depending on the equipment, the bulb failure indicator can fail
for all lamps with the exception of the turn signal lamps.
X Replace the faulty bulb as soon as possible (Y page 99).003E
The yellow "door
open" indicator
lamp is lit while
driving. The vehicle is moving without all doors or the hood being closed.
X Close the doors or hood. 003E
The yellow "door
open" indicator
lamp is lit. 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 74). Before stepping out, remind
the passengers that the step is missing. Indicator and warning lamps in the instrument cluster
227On-board computer and displays Z
Page 230 of 334
Page 231 of 334
Useful information
............................230
Stowage spaces and stowage com- partments .......................................... 230
Folding table in the twin co-driver's seat .................................................... 234
Cup holder ......................................... 234
Bottle holder ...................................... 235
Ashtray .............................................. 235
Cigarette lighter ................................ 235
12 V socket ....................................... 236
Mobile phone ..................................... 236
Additional communications equip-
ment ................................................... 237 229Stowing and features
Page 232 of 334

Useful information
This Operator's Manual describes all models
as well as standard and optional equipment of your vehicle that were available at the time of going to print. Country-specific variations are
possible. Note that your vehicle may not be
equipped with all of the described functions.
This also applies to systems and functions
relevant to safety.
Read the information on qualified specialist
workshops (Y page 25). Stowage spaces and stowage com-
partments
Important safety notes
G
WARNING
If you do not correctly store objects in the
vehicle interior, they can slip or be flung
around, thus striking vehicle occupants.
There is a risk of injury, especially when brak- ing or abruptly changing directions.
R Always store objects so that they cannot be
flung around in these or in similar situa-
tions.
R Always make sure that objects do not pro-
trude from stowage compartments, parcel
nets or stowage nets.
R Close lockable stowage compartments
while driving.
R Stow and secure objects that are heavy,
hard, pointy, sharp-edged, fragile or too
large in the trunk.
In addition, observe the information in the
"Loading guidelines" section (Y page 240). Glove box
Glove box (example: glove box with a lockable lid)
0047 Unlocked
0048 Locked
0087 Glove box handle
You can lock and unlock the glove box using
the mechanical or folding key.
X To open: unlock the glove box lid if neces-
sary.
X Pull glove box handle 0087in the direction of
the arrow. 0085
Card holder
0083 Pen holder
X To close: fold the glove box up and press it
until it engages. 230
Stowage spaces and stowage compartmentsStowing and features