Page 417 of 500
R
malfunction/warning messages
R failure of any systems
Driving characteristics may be impaired.
If you
must continue to drive, do so with added
caution. Contact an authorized Mercedes-
Benz Center as soon as possible.
Read and observe the notes on the HOLD
function ( Y page 316) and parking
(Y page 288) when you park the vehicle. On the pages that follow, you will find a
compilation of the most important warning
and malfunction messages that may appear.
For your convenience the messages are
divided into text messages
(Y
page 416) and
symbol messages ( Y page 428). Vehicle status messages in the multifunction display
415
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Text messages
Safety systems Display messages
Possible causes/consequences and
X SolutionsPRE-SAFE Inoperativ
e See
Oper.
Manual
The PRE-SAFE
®
system has failed. All other occupant safety
systems, such as the air bags, are still available.
X Contact an authorized Mercedes-Benz Center as soon as
possible. PRE-SAFE Function
Currently
Limited
See Oper.
Manual
The 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
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
If the message in the multifunction display does not
disappear:
X Clean the DISTRONIC PLUS cover in the radiator grille
(Y page 406).
X Clean the front and the rear bumper ( Y page 406).
X Restart the vehicle.
X Wait until the battery recovers. PRE-SAFE Function
Limited
See Oper.
Manual
The PRE-SAFE
®
Brake is unavailable due to a malfunction.
The BAS PLUS may also be unavailable.
X Contact an authorized Mercedes-Benz Center as soon as
possible. 416
Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and
X SolutionsFront
Passenger
Airbag
Enabled
See Oper.
Manual 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.
X
Stop the vehicle in a safe location as soon as possible.
X Engage the electronic parking brake.
X Switch off the ignition.
X Open the passenger door.
X Remove child and child restraint from front passenger seat
and properly secure the child in rear seat employing the
child restraint if necessary.
X Make 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.
X Keep the seat unoccupied, close the passenger door and
switch on the ignition.
Monitor the 42 indicator lamp right of the
instrument cluster (
Y page 44) and the multifunction display
in the instrument cluster (Y page 29) for the following:
With the seat unoccupied and the ignition switched on,
R the message Front Passenger Airbag Enabled See
Oper. Manual or the message Front Passenger
Airbag Disabled See Oper. 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 42
indicator lamp will remain illuminated or go out.
If above conditions are not met, the system is not working
properly. Have the system checked at an authorized
Mercedes-Benz Center as soon as possible. Vehicle status messages in the multifunction display
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G
Warning!
If the 42 indicator lamp remains out even after performing the above corrective
steps, do
not have any children 12 years old and under and other small individuals use the front
passenger seat until the system has been repaired. Display messages
Possible causes/consequences and
X SolutionsFront
Passenger
Airbag
Disabled
See Oper.
Manual The front passenger front air bag is deactivated while driving
even though an adult or someone larger than a small
individual is occupying the front passenger seat. Forces
acting on
the seat may make the system sense a decrease in
weight.
X Stop the vehicle in a safe location as soon as possible.
X Engage the electronic parking brake.
X Switch off the ignition.
X Have the front passenger vacate the seat and exit the
vehicle.
X Keep the seat unoccupied, close the passenger door and
switch on the ignition.
Monitor the 42 indicator lamp right of the
instrument cluster (
Y page 44) and the multifunction display
in the instrument (Y page 29) cluster for the following:
With the seat unoccupied and the ignition switched on,
R the 42 indicator lamp right of the instrument
cluster should illuminate and remain illuminated, indicating
that the OCS ( Y page 41) has deactivated the front
passenger front air bag.
R the message Front Passenger Airbag Enabled See
Oper. Manual or the message Front Passenger
Airbag Disabled See Oper. 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 42
indicator lamp will remain illuminated or go out.
If above conditions are not met, the system is not working
properly. Have the system checked at an authorized
Mercedes-Benz Center as soon as possible. 418
Vehicle status messages in the multifunction display
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G
Warning!
If the 42 indicator lamp remains illuminated with an adult occupant on the front
passenger seat
even after performing the above corrective steps, do not have any passenger use
the front passenger seat until the system has been repaired.
Driving systems Display messages
Possible causes/consequences and
X SolutionsABC Malfunctio
n Stop
Vehicle You have started driving although the vehicle level is still too
low.
The vehicle is being raised. The ABC message goes out after
a few seconds.
X
Stop the vehicle in a safe location or as soon as it is safe
to do so.
X Wait until the message disappears from the multifunction
display.
You may then drive off. ABC Malfunctio
n Stop
Vehicle The vehicle is losing oil.
The ABC message appears continuously.
X
Stop the vehicle in a safe location or as soon as it is safe
to do so.
X Engage the electronic parking brake.
X Call Roadside Assistance.
or
X Contact an authorized Mercedes-Benz Center. ABC Malfunctio
n Stop
Vehicle The ABC is malfunctioning.
The ABC message appears continuously.
X
Do not turn steering wheel too far to avoid damaging the
front fenders.
X Listen for scraping noises.
X Do not drive faster than 50 mph (80 km/h).
X Contact an authorized Mercedes-Benz Center as soon as
possible. ABC Malfunctio
n The capability of the ABC system is restricted. This can impair
handling.
X
Do not drive faster than 50 mph (80 km/h).
X Contact an authorized Mercedes-Benz Center as soon as
possible. Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and
X SolutionsABC Vehicle
Rising
Please
Wait
Briefly The vehicle’s level is too low while at a standstill. The vehicle
will be raised.
X
Do not drive off.
X Wait until the message disappears from the multifunction
display.
You may then drive off. Cruise
Control Inoperativ
e The cruise control is malfunctioning.
X
Have the cruise control checked at an authorized
Mercedes-Benz Center. Cruise
Control - - - mph One of the activation conditions for cruise control has not
been
fulfilled.
You may have attempted to set a speed below
20 mph (30 km/h).
X Drive faster than 20 mph (30 km/h) if the situation allows
and set the speed.
X Check the activation conditions for cruise control
(Y page 302). 420
Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and
X SolutionsDISTRONIC
PLUS Currently
Unavailabl
e See
Oper.
Manual The 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 insufficient
X If necessary, clean the DISTRONIC PLUS cover in the
radiator grille (Y
page 406).
X Restart the vehicle.
X Try activating the DISTRONIC PLUS again later.
X Wait 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
PLUS Inoperativ
e The DISTRONIC PLUS is malfunctioning.
The BAS PLUS and the PRE-SAFE
®
Brake are also not
available.
X Contact an authorized Mercedes-Benz Center as soon as
possible. DISTRONIC
PLUS Override You have accelerated. The DISTRONIC PLUS has switched off.
X
Stop accelerating. Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and
X SolutionsDISTRONIC
PLUS - - - mph One of the activation conditions for the DISTRONIC PLUS has
not been fulfilled. You may have attempted to set a speed
below 20 mph (
30 km/h)
.
X Drive faster than 20 mph (30 km/h) if the situation allows
and set the speed.
X Check the activation conditions for the DISTRONIC PLUS
(Y page 309). HOLD Off The HOLD function switched off because the vehicle was
sliding, for example on a slippery surface.
X
Activate the HOLD function later. Park
Assist Currently
Unavailabl
e See
Oper.
Manual The Park Assist is deactivated because the area around the
sensors in the front or the rear bumper is dirty.
X
Clean the front and rear bumper ( Y page 406). The Park Assist is deactivated because the battery voltage is
insufficient.
X
Have the battery checked at an authorized Mercedes-Benz
Center. The Park Assist is switched off because the radar sensor
system is temporarily inoperative due to electromagnetic
interference near television and radio transmitter stations,
toll stations, speed measuring systems, etc.
X
Wait until the message in the multifunction display
disappears. Park
Assist Inoperativ
e The Park Assist is malfunctioning.
X
Contact an authorized Mercedes-Benz Center as soon as
possible. 422
Vehicle status messages in the multifunction display
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