Display messages
General notes
G
WARNING
All categories of messages contain important information which should be take nnote of and,
where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-Benz
Center.
Failure to repair the condition noted may cause damage not covered by the Mercedes-Benz
Limited Warranty, or result in property damage or personal injury.
Display messages appear in the multifunction display.
Display messages with graphic displays may be shown in simplified form in the Operator's
Manual and may differ from the messages shown in the multifunction display.
Please respond in accordance with the display messages and follow the additional notes in
this Operator's Manual.
Certain display messages are accompanied by an audible warning tone or a continuous tone.
When you stop and park the vehicle, please observe the notes on the HOLD function
(Y page 346) and parking (Y page 327).Hiding display messages
You can hide some display messages with a low priority.
X Press the 0011or0001 button on the steering wheel to hide the display message.
The display message is cleared.
Display messages with a low priority are shown in either yellow or white.
Display messages with a high priority are shown in red.
You cannot hide display messages of the highest priority. The multifunction display shows
these messages continuously until the causes for the messages have been remedied. Message memory
The on-board computer saves certain display messages. You can call up the display messages
in the message memory.
X Press the 0009or000C button on the steering wheel and select the Service menu.
If there are display messages, the multifunction display shows, for example, 2 messages .
X Press the 000Aor000B button to select the entry, e.g. 2 messages .
X Confirm with 0011.
X Press the 000Aor000B button to scroll through the display messages.
When the ignition is switched off, all display messages are deleted, apart from some high-
priority display messages. Once the causes of the high-priority display messages have been
rectified, the corresponding display messages are also deleted. 390
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0004 Solutions
000F(USA
only)
0006(Canada
only)
Service See Operator's Manual There is a malfunction in the system. The brak
esystem continues
to operate normally.
X Drive on carefully.
X Visit a qualified specialist workshop. 000F(USA
only)
0006(Canada
only)
Check brake fluid level There is no
tenough brake fluid in the brake fluid reservoir.
Additionally, the red 000F(USA only)/ 0006(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 327).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. Display messages Possible causes/consequences and
0004 Solutions
0008
Tele Aid
Inoperative USA only: one or more of the main functions in the mbrace system
are malfunctioning.
Canada only: one or more of the main functions of the TELEAID
system are malfunctioning.
X USA only: have the mbrace system checked at aqualified
specialist workshop.
X Canada only: have the TELEAI Dsystem checked at a qualified
specialist workshop. PRE-SAFE
Inoperative See
Operator's Manual Important function
sof PRE-SAFE ®
have failed .All other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. Display messages
399On-board computer and displays Z
Display messages Possible causes/consequences and
0004 Solutions
PRE-SAFE
Functions
currently limited
See Operator's
Manual PRE-SAFE
®
Brake is temporarily inoperative. Possible causes are:
R the DISTRONIC PLUS cover in the radiator trim is dirty
R function is impaired due to heavy rain or snow.
R the sensors in the bumpers are dirty.
R the rada rsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
R the system is outside the operating temperature range.
R The on-board voltage is too low.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 327).
X Clean the DISTRONIC PLUS cover in the radiator trim
(Y page 474).
X Clean the bumpers (Y page 474).
X Restart the engine.
If the system detects that the sensors are fully operational, the
display message disappears.
PRE-SAFE ®
Brake is operational again. PRE-SAFE
Function limited
See Operator's
Manual PRE-SAFE
®
Brak eisd efective. BAS PLUS or the distanc ewarning
signal may also have failed.
X Visi taqualified specialist workshop. 001A
Restraint system
malfunction
Consult workshop There is a malfunction in the SRS (Supplemental Restraint
System). The
001Awarning 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. 400
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0004 Solutions
Front-passenger
air bag enabled
See Operator's
Manual The front-passenger air bag is enabled during the journey, even
though:
R
a child, a small adult or an objec tweighing less than the
system's weight threshold is located on the front-passenger
seat.
or
R the front-passenger seat is unoccupied.
The system may detec tobjects or forces applying additional
weight on the seat.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the parking brake.
X Switch the ignition off.
X Open the front-passenger door.
X Remove the child and the child restraint system from the front-
passenger seat.
X If necessary, secure the child in a child restraint system on a
suitable rear seat.
X Make sure that there are no objects on the seat adding to the
weight.
The system may otherwise detec tthe additional weight and
interpret the seat occupant's weight as greater than it actually
is.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
Observe the 00170016(Y page 54) indicator lamp and the
multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 00170016 indicator lamp must light up and remain lit.
When the indicator lamp is on, OCS (Y page 54) has disabled
the front-passenger air bag.
R the following display messages must not appearint he
multifunction display: Front Passenger air bag Enabled See Oper. Manual or
Front Passenger air bag Disabled
See Oper. Manual .
X Wait for a period of at least 60 seconds until the necessary
system checks have been completed.
X Make sure that the display messages do not appearint he
multifunction display.
If the conditions are not fulfilled, the system is not operating
correctly. 402
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0004 Solutions
Front-passenger
air bag disabled
See Operator's
Manual The front-passenger air bag is disabled during the journey, even
though:
R
an adult
or
R a person larger than a certain size is occupying the front-
passenger seat.
If additional forces are applied to the seat, the system may
interpret the occupant's weight as lowe rthan it actually is.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Apply the parking brake.
X Switch the ignition off.
X Have the occupant get out of the vehicle.
X Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
Observe the 00170016(Y page 54) indicator lamp and the
multifunction display and check the following:
Seat unoccupied and ignition switched on:
R the 00170016 indicator lamp must light up and remain lit.
When the indicator lamp is on, OCS (Y page 54) has disabled
the front-passenger air bag.
R the following display messages must not appearint he
multifunction display: Front Passenger air bag Enabled See Oper. Manual or
Front Passenger air bag Disabled
See Oper. Manual .
X Wait for a period of at least 60 seconds until the necessary
system checks have been completed.
X Make sure that the display messages do not appearint he
multifunction display.
If these conditions are fulfilled, the front-passenger seat can be
occupied again. Whether the 00170016indicator lamp
remains lit or goes out depends on how OCS classifies the
occupant.
If the conditions are not fulfilled, the system is not operating
correctly.
X Visit a qualified specialist workshop immediately. 404
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
0004 Solutions
000C The fan motor is faulty.
X
At coolan ttemperatures under 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. 000C
Coolant Low Stop
Vehicle Turn
Engine Off The coolant is too hot.
Aw
arning tone also sounds.
G WARNING
Do no tdrive when youre ngine is overheated. Thi scan cause some
fluids which may have leaked into the engine compartmen tto
catch fire.
Stea mfrom the overheated engine can also cause serious burns
which can occur just by opening the hood.
There is a risk of injury.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 327).
X Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by snow, slush or ice.
X Do not start the engine again until the display message goes out
and the coolant temperature is under 248 ‡ (120 †).
Otherwise, the engine could be damaged.
X Pay attention to the coolant temperature display.
X If the temperature increases again, visit a qualified specialist
workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 248 ‡ (120 †). Display messages
409On-board computer and displays Z
Display messages Possible causes/consequences and
0004 Solutions
0011
Engine Oil Level
Low Stop Vehicle
Turn Engine Off Vehicles without an oil dipstick
:the engine oil level is too low.
There is a risk of engine damage.
X Pull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions.
X Apply the parking brake.
X Add engine oil (Y page 466) and check the oil level
(Y page 463). 0011
Engine Oil Level
Too High Vehicles without an oil dipstick: you have added too much engine
oil. There is a risk of damage to the engine or to the catalytic
converter.
X
Have the excess oil siphoned off at a qualified specialist
workshop. Observe the legal requirements. 0011
Engine Oil Level
Cannot measure
eng. oil level Vehicles without an oil dipstick: the measuring system is
defective.
X
Visit a qualified specialist workshop. 000F
Reserve fuel level The fuel level has dropped into the reserve range.
X
Refuel at the nearest gas station. 0009 There is only a very small amount of fuel in the fuel tank.
X
Refuel at the nearest gas station without fail. 000F
Fuel filler cap
open 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.
If the fuel filler cap is not correctly closed:
X Close the fuel filler cap.
If the fuel filler cap is correctly closed:
X Visit a qualified specialist workshop. 000F
Ultra Low-sulfur
Diesel Fuel Only Vehicles with a diesel engine: the fuel level has fallen below the
reserve range.
X Refuel at the nearest gas station.
X Only use commercially available vehicular ULTRA-LOW SULFUR
HIGHWAY DIESEL FUEL (ULSD, 15ppm SULFUR MAXIMUM). 00060005
Replace air
cleaner element Vehicles with a diesel engine: the engine air filter is dirty and must
be replaced.
X
Visit a qualified specialist workshop. Display messages
411On-board computer and displays Z
Display messages Possible causes/consequences and
0004 Solutions
0001
Clean fuel filter Vehicles with a diesel engine: there is water in the fuel filter. The
water mus
tbe drained off.
X Visit a qualified specialist workshop. 0001
Check
additive See
Operator's Manual The DEF tank is empty.
X
Have the DEFt ank filled as soon as possible at aqualified
specialist workshop (Y page 325).0001
Remaining starts:
16 The DE
Flevel has fallen to a minimum.
X Have the DEFt ank filled immediately at a qualified specialist
workshop (Y page 325). Driving systems
Display messages Possible causes/consequences and
0004 Solutions
0004
Attention Assist:
Drowsiness
detected Based on specific criteria, ATTENTION ASSIST
20
has determined
that the driver is tired or paying less attention. Awarning tone also
sounds.
X If necessary, take a break.
During long journeys, take regular breaks in good time so you get
enough rest. 0004
Attention Assist
Inoperative ATTENTION ASSIST
20
has failed.
X Visi taqualified specialist workshop. 0003
Night View Assist
Inoperative Night View Assist Plus is defective.
X
Visit a qualified specialist workshop. 0003
Night View Assist
Currently
Unavailable The temperature of the camera is too high.
X
Wait until you see the Night View Assist Available Again display message.
You can also:
X Fold the camera cover down (Y page 475).
X Adjust the air distribution of the automatic air conditioning
upwards. 20
Not available on hybrid vehicles. 412
Display messagesOn-board computer and displays