
Text messages
Safety systemsDisplay messagesPossible causes/consequences and M SolutionsPRE-SAFEInoperativ
e See
Operator's
ManualThe PRE-SAFE ®
system has failed. All other occupant safety
systems, such as the air bags, are still available.XContact an authorized Mercedes-Benz Center as soon as
possible.PRE-SAFEFunctions
Currently
Limited
See
Operator's
ManualThe PRE-SAFE ®
Brake is temporarily unavailable.
The PRE-SAFE ®
Brake is deactivated because:
R the DISTRONIC PLUS cover in the radiator grille is dirty
R the area around the sensors in the front or the rear bumper
is dirty
R its function is impaired as a result of heavy precipitation
R the radar sensor system is temporarily inoperative due to
electromagnetic interference near television and radio
transmitter stations, toll stations, speed measuring
systems, etc.
R the system is out of the operating temperature range
R the battery voltage is insufficient
R E 63 AMG only: The ESC has been switched off.
The PRE-SAFE ®
Brake becomes operational again and the
message in the multifunction display disappears when:
R dirt on the radiator grille has fallen off while driving (e.g.
slush or snow)
R the system recognizes full sensor availability (due to
lessening rain or the road surface drying)
R the system is within the operating temperature range
R E 63 AMG only: The ESC is switched back on.
If the message in the multifunction display does not
disappear:XClean the DISTRONIC PLUS cover in the radiator grille
( Y page 263).XClean the front and the rear bumper ( Y page 263).XRestart the vehicle.XWait until the battery recovers.274Vehicle status messages in the multifunction displayPractical hints
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Display messagesPossible causes/consequences and M SolutionsPRE-SAFEFunctions
Limited
See
Operator's
ManualThe PRE-SAFE ®
Brake is unavailable due to a malfunction.
The BAS PLUS may also be unavailable.XContact an authorized Mercedes-Benz Center as soon as
possible.Vehicle status messages in the multifunction display275Practical hints212_AKB; 2; 41, en-USd2ureepe,Version: 2.11.8.12009-07-17T09:14:21+02:00 - Seite 275Z

Display messagesPossible causes/consequences and M SolutionsFront
Passenger
Airbag
Enabled
See
Operator’s
ManualUSA only:
The front passenger front air bag is activated while driving
even though a child, small individual, or object below the
system’s weight threshold is on the front passenger seat, or
the front passenger seat is empty. Objects on the seat or
forces acting on the seat may make the system sense
supplemental weight.XStop the vehicle in a safe location as soon as possible.XEngage the parking brake.XSwitch off the ignition.XOpen the front passenger door.XRemove child and child restraint from front passenger seat
and properly secure the child in rear seat employing the
child restraint if necessary.XMake sure no objects which apply supplemental weight to
the seat are present. The system may recognize such
supplemental weight and sense that an occupant on the
front passenger seat is of a greater weight than actually
present.XKeep the seat unoccupied, close the front passenger door
and switch on the ignition.
Monitor the 45 indicator lamp in the center console
( Y page 45) and the multifunction display in the instrument
cluster ( Y page 28) for the following:
With the seat unoccupied and the ignition switched on,
R the 45 indicator lamp in the center console should
illuminate and remain illuminated, indicating that the OCS
( Y page 43) has deactivated the front passenger front air
bag.
R the message Front Passenger Airbag Enabled See
Operator’s Manual or the message Front Passenger
Airbag Disabled See Operator’s Manual should not
appear in the multifunction display at any time the seat is
unoccupied. Wait at least 60 seconds for the system to
complete the necessary check cycles and to make sure
neither message appears in the multifunction display.
If above conditions are met, you can occupy the front
passenger seat again. Depending on the front passenger
classification sensed by the OCS, the 45 indicator
lamp will remain illuminated or go out.
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Display messagesPossible causes/consequences and M SolutionsDISTRONIC
PLUSCurrently
Unavailabl
e See
Operator's
ManualThe DISTRONIC PLUS is temporarily unavailable.
The DISTRONIC PLUS is deactivated because:
R the DISTRONIC PLUS cover in the radiator grille is dirty
R its function is impaired as a result of heavy precipitation
R the radar sensor system is temporarily inoperative due to
electromagnetic interference near television and radio
transmitter stations, toll stations, speed measuring
systems, etc.
R the radar sensors do not sense any other vehicles or
objects, i.e. road sign or similar to this, for a long time
R the system is out of the operating temperature range
R the battery voltage is insufficientXIf necessary, clean the DISTRONIC PLUS cover in the
radiator grille ( Y page 263).XRestart the vehicle.XTry activating the DISTRONIC PLUS again later.XWait until the system is within the operating temperature
range or the battery recovers.
The DISTRONIC PLUS becomes operational again without the
engine being restarted when:
R dirt on the radiator grille has fallen off while driving (e.g.
slush or snow)
R the system recognizes full sensor availability (due to
lessening rain or the road surface drying)
R the message in the multifunction display disappears
DISTRONIC
PLUSInoperativ
eThe DISTRONIC PLUS is malfunctioning.
The BAS PLUS and the PRE-SAFE ®
Brake are also not
available.XContact an authorized Mercedes-Benz Center as soon as
possible.DISTRONIC
PLUSOverrideYou have accelerated. The DISTRONIC PLUS has switched off.XStop accelerating.280Vehicle status messages in the multifunction displayPractical hints
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Display messagesPossible causes/consequences and M SolutionsParking
GuidanceCanceledThe Advanced Parking Guidance has been canceled because:
R the vehicle is sliding
R the bumper became dirty in the area of the sensors
R there has been a malfunctionXUse the Advanced Parking Guidance again later.
If the parking space symbol is not shown in the multifunction
display at a speed below 10 mph (16 km/h):
XClean the bumpers ( Y page 263).
or
XRestart the engine.
or
XContact an authorized Mercedes-Benz Center.Parking
GuidanceFinishedAdvanced Parking Guidance: The vehicle is in the end
position.
The display message disappears automatically.Radar
SensorsDeactivate
d See
Operator's
ManualYou have attempted to activate the DISTRONIC PLUS or the
PRE-SAFE ®
Brake even though you have switched off the
radar sensors on the vehicle.XCheck if switching on the radar sensors is permitted
( Y page 144).XSwitch on the radar sensors using the instrument cluster
control system.282Vehicle status messages in the multifunction displayPractical hints
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Display messagesPossible causes/consequences and M SolutionsService
RequiredDo Not
Shift
Gears
Visit
DealerIn addition an acoustic warning sounds.
The automatic transmission cannot be shifted out of the
current transmission position because of a malfunction.
If the automatic transmission is in drive position D:XWithout shifting the automatic transmission out of drive
position D, drive to an authorized Mercedes-Benz Center.
If the automatic transmission is set to position neutral
position N, reverse gear R or park position P:
XDo not drive.XContact an authorized Mercedes-Benz Center or call
Roadside Assistance.Only
Shift to
'P' when
Vehicle
is
StationaryYou have attempted to shift the automatic transmission into
park position P although the vehicle was still in motion.XStop your vehicle as soon as it is safe to do so.XShift the automatic transmission to park position P.Shift to
'P' or 'N'to Start
EngineYou have attempted to start the engine with the KEYLESS-GO
start/stop button while the automatic transmission was in
reverse gear R or drive position D.XShift the automatic transmission into park position P or
neutral position N. Make sure the brake pedal is depressed.Auxiliary
BatteryMalfunctio
nThe backup battery for the automatic transmission is no
longer charging.XContact an authorized Mercedes-Benz Center.
Tires
Display messagesPossible causes/consequences and M SolutionsCheck
Tire
PressureThen
Restart
Run Flat
IndicatorThere has been a warning message about a loss in the tire
inflation pressure and the tire pressure loss warning system
was not restarted yet.XMake sure the correct tire inflation pressure is set for each
tire.XThen restart the tire pressure loss warning system
( Y page 232).Run Flat
IndicatorInoperativ
eThe tire pressure loss warning system is malfunctioning.XHave the tire pressure loss warning system checked at an
authorized Mercedes-Benz Center.284Vehicle status messages in the multifunction displayPractical hints
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Display messagesPossible causes/consequences and M Solutions$
(USA only)
J
(Canada
only)ABS and
ESC
Inoperativ
e See
Operator’s
ManualIn addition, the yellow ESC warning lamp ä, the yellow
ESC OFF warning lamp å, and the yellow ABS indicator
lamp ! come on.
The brake system is still functioning normally but due to a
malfunction, the ABS, the BAS, the BAS PLUS, the ESC, the
hill-start assist system, the HOLD function, the PRE-SAFE ®
system, and the PRE-SAFE ®
Brake are unavailable.
The ATTENTION ASSIST is disabled.XContinue driving with added caution. Wheels may lock
during hard braking, reducing steering capability.XAdjust driving to be consistent with reduced braking
responsiveness.XHave the system checked at an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions increases the risk of an
accident.
$
(USA only)
J
(Canada
only)ABS and
ESC
Currently
Unavailabl
e See
Operator’s
ManualIn addition, the yellow ESC warning lamp ä, the yellow
ESC OFF warning lamp å, and the yellow ABS indicator
lamp ! come on.
The brake system still functions normally but due to
insufficient power supply, the ABS, the BAS, the BAS PLUS,
the ESC, the hill-start assist system, the HOLD function, the
PRE-SAFE ®
system, and the PRE-SAFE ®
Brake are
unavailable.
The ATTENTION ASSIST is disabled.XContinue driving with added caution. Wheels may lock
during hard braking, reducing steering capability.XAdjust driving to be consistent with reduced braking
responsiveness.
When the voltage is above the required value again, the ABS,
the BAS, the BAS PLUS, the ESC, the hill-start assist system,
the HOLD function, the PRE-SAFE ®
system, and the
PRE-SAFE ®
Brake are operational again and the message
should disappear.
If the message does not disappear:
XHave the alternator and the battery checked.
Failure to follow these instructions increases the risk of an
accident.
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Display messagesPossible causes/consequences and M Solutions$
(USA only)
J
(Canada
only)EBD, ABS,
and ESC
Inoperativ
e See
Operator's
ManualIn addition, the yellow ESC warning lamp ä, the yellow
ESC OFF warning lamp å, and the yellow ABS indicator
lamp ! come on.
The brake system is still functioning normally but due to a
malfunction, the ABS, the BAS, the BAS PLUS, the EBP, the
ESC, the HOLD function, the PRE-SAFE ®
system, and the PRE-
SAFE ®
Brake are unavailable.
The ATTENTION ASSIST is disabled.XContinue driving with added caution. Wheels may lock
during hard braking, reducing steering capability.XAdjust driving to be consistent with reduced braking
responsiveness.XHave the system checked at an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions increases the risk of an
accident.
$
(USA only)
!
(Canada
only)Release
Parking
BrakeYou are driving with the parking brake engaged. In addition
an acoustic warning sounds.XRelease the parking brake.$
(USA only)
J
(Canada
only)Check
Brake
Fluid
LevelThere is insufficient brake fluid in the reservoir.
Risk of accident!XStop the vehicle in a safe location or as soon as it is safe
to do so.XEngage the parking brake.XDo not drive any further.XContact an authorized Mercedes-Benz Center or call
Roadside Assistance.
Do not add brake fluid! This will not solve the problem.
GWarning!
Driving with the message Check Brake Fluid Level displayed can result in an accident. Have
your brake system checked immediately.
Do not add brake fluid before checking the brake system. Overfilling the brake fluid reservoir can
result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be
seriously burned.
! If you find that the brake fluid in the brake fluid reservoir has fallen to the minimum mark
or below, have the brake system checked for brake pad thickness and leaks.
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