
Display messages
Possible causes/consequences and 
X SolutionsParking 
Guidance Canceled The 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 malfunction
X Use 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):
X Clean the bumpers 
(Y page 406).
or
X Restart the engine.
or
X Contact an authorized Mercedes-Benz Center. Parking 
Guidance Finished Advanced Parking Guidance: The vehicle is in the end
position.
The display message disappears automatically.
Radar 
Sensors Deactivate
d See 
Oper. 
Manual You have attempted to activate the DISTRONIC PLUS, the
Park Assist or the PRE-SAFE
®
 Brake even though you have
switched off the radar sensors on the vehicle.
X Check if switching on the radar sensors is permitted
(Y page 216).
X Switch on the radar sensors using the instrument cluster
control system. Vehicle
Display messages
Possible causes/consequences and 
X SolutionsApply 
Brake to Shift 
from 'P' You have attempted to shift the automatic transmission into
drive 
position  D
, reverse gear R or neutral position  N without
depressing the brake pedal.
X Depress the brake pedal. Door Open Vehicle 
Not in 
Park You have opened the driver’s door and the automatic
transmission is still in drive position 
D, reverse gear R or
neutral position N.
X Before you leave the vehicle, make sure the automatic
transmission  is 
in park position  P and the electronic parking
brake is engaged. 424
Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and 
X SolutionsService 
Required Do Not 
Shift 
Gears 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:
X
Without 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:
X Do not drive.
X Contact an authorized Mercedes-Benz Center or call
Roadside Assistance. Only 
Shift to 
Position 
'P' When 
Vehicle 
Is 
Stationary You have attempted to shift the automatic transmission into
park position P although the vehicle was still in motion.
X
Stop your vehicle as soon as it is safe to do so.
X Shift the automatic transmission to park position  P.
X Engage the electronic parking brake. Shift to 
P or N to Start 
Engine You have attempted to start the engine while the automatic
transmission was in reverse gear 
R or drive position D.
X Shift the automatic transmission into park position  P or
neutral  position  N
. Make sure the brake pedal is depressed. Auxiliary 
Battery
(message
appears in
white) Malfunctio
n The backup battery for the automatic transmission is no
longer charging.
X
Contact an authorized Mercedes-Benz Center. Auxiliary 
Battery
(message
appears in
red) Malfunctio
n The backup battery for the automatic transmission is
discharged. In case of failure of the on-board electrical
system, you may not be able change transmission positions.
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 Do not drive any further.
X Contact an authorized Mercedes-Benz Center or call
Roadside Assistance. Vehicle status messages in the multifunction display
425
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Display messages
Possible causes/consequences and 
X SolutionsF
(USA only)
!
(Canada
only) Please 
Release 
Parking 
Brake In addition, the red indicator lamp for the electronic parking
brake flashes and an acoustic warning sounds.
You 
are 
driving with the electronic parking brake engaged, or
you are carrying out an emergency brake maneuver with the
electronic parking brake (Y page 288).
X Release electronic parking brake.
or
X Drive off carefully.
or
X Release the handle for electronic parking brake. F
(USA only)
!
(Canada
only) Please 
Release 
Parking 
Brake In addition, the red indicator lamp for the electronic parking
brake flashes, the yellow warning lamp for the electronic
parking brake comes on and an acoustic warning sounds.
The electronic parking brake is malfunctioning. The braking
effect is reduced.
While driving:
X
Release the handle for electronic parking brake.
While at a standstill:
X Switch off ignition and press handle for electronic parking
brake until the warning message disappears from the
multifunction display.
If the warning message does not disappear:
X Shift the automatic transmission to park position  P
(Y page 291).
X Protect vehicle from rolling away while parked by using the
collapsible wheel chock from the vehicle tool kit
(Y page 412).
X Contact an authorized Mercedes-Benz Center as soon as
possible. F
(USA only)
!
(Canada
only) Turn On 
the 
Ignition 
to 
Release 
the 
Parking 
Brake In addition, the red indicator lamp for the electronic parking
brake comes on.
You 
have 
tried to release the electronic parking brake, but the
ignition was not switched on.
X Switch on the ignition. Vehicle status messages in the multifunction display
431
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Display messages
Possible causes/consequences and 
X SolutionsF
(USA only)
!
(Canada
only) Parking 
Brake See 
Oper. 
Manual In addition, the yellow warning lamp for the electronic parking
brake comes on. The red indicator lamp for the electronic
parking brake may also come on.
The electronic parking brake is malfunctioning.
To release:
X
Pull handle of electronic parking brake.
or
X Drive off carefully.
X Contact an authorized Mercedes-Benz Center as soon as
possible.
To engage:
X Switch off the ignition
X Press handle for electronic parking brake for at least
10  seconds 
until the warning message in the multifunction
display disappears.
If the warning message does not disappear:
X Shift the automatic transmission to park position  P
(Y page 291).
X Protect vehicle from rolling away while parked by using the
collapsible wheel chock from the vehicle tool kit
(Y page 412).
X Contact an authorized Mercedes-Benz Center as soon as
possible. F
(USA only)
!
(Canada
only) Parking 
Brake See 
Oper. 
Manual In addition, the red indicator lamp for the electronic parking
brake flashes.
The power supply for the electronic parking brake was
interrupted.
X
Pull handle of electronic parking brake.
or
X Drive off carefully.
or
X Press handle for electronic parking brake until the warning
message in the multifunction display disappears. 432
Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and 
X SolutionsF
(USA only)
!
(Canada
only) Parking 
Brake 
Inoperativ
e When you engage or release the electronic parking brake, the
red indicator lamp for the electronic parking brake flashes
and goes out after approx. 10 seconds. The yellow warning
lamp for the electronic parking brake comes on.
The electronic parking brake is malfunctioning.
X
Switch ignition off and back on again, and engage or release
electronic parking brake.
If the electronic parking brake cannot be engaged:
X Shift the automatic transmission to park position  P
(Y page 291).
X Protect vehicle from rolling away while parked by using a
chock from the vehicle tool kit  (Y
 page 412).
X Contact an authorized Mercedes-Benz Center as soon as
possible. $
(USA only)
J
(Canada
only) Service 
See Oper. 
Manual CL 600 and CL 65 AMG only:
The brake system sensors are malfunctioning. The brake
system continues to function normally with full brake force
boost.
X
Continue driving with added caution.
X Have the system checked at an authorized Mercedes-Benz
Center as soon as possible. $
(USA only)
J
(Canada
only) Check 
Brake 
Fluid 
Level There is insufficient brake fluid in the reservoir.
Risk of accident!
X
Stop the vehicle in a safe location or as soon as it is safe
to do so.
X Engage the parking brake.
X Do not drive any further.
X Contact an authorized Mercedes-Benz Center or call
Roadside Assistance.
Do not add brake fluid! This will not solve the problem. G
Warning!
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. 434
Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and 
X Solutions¨ STOP Car 
Too Low The AIRMATIC is malfunctioning.
X
Avoid excessive steering maneuvers. The fenders or tires
could otherwise be damaged. Listen for scraping noises.
X Stop and press the vehicle level control switch to select a
higher vehicle level  (Y
 page 317).
X Do not drive faster than 50 mph (80 km/h).
X Contact an authorized Mercedes-Benz Center as soon as
possible.
There is otherwise danger of an accident. ¨ Malfunctio
n The capability of the AIRMATIC system is restricted. This can
impair the handling.
X
Do not drive faster than 50 mph (80 km/h).
X Have the vehicle checked at an authorized Mercedes-Benz
Center. Á Night 
View 
Assist 
Inoperativ
e The Night View Assist is malfunctioning.
X
Contact an authorized Mercedes-Benz Center as soon as
possible. Á Night 
View 
Assist 
Currently 
Unavailabl
e The temperature of the Night View Assist camera is too high
(Y page 333).
X
Wait until the message  Night View 
Assist Available 
Again appears.
In addition you can:
X Swing the camera cover down (Y page 407).
X Adjust the air distribution of the climate control so that air
flows upward  (
Y page 195). Á Night 
View 
Assist 
Lights 
Must Be 
Set to 
AUTO or ON You have tried to switch on Night View Assist, but the exterior
lamp switch is not set to c or L.
X
Turn the exterior lamp switch to c or L
(Y page 275). Á Night 
View 
Assist 
Not In 
Reverse 
Gear You have tried to switch on Night View Assist while the
automatic transmission was in reverse gear 
R.
X Shift the automatic transmission to park position  P, neutral
position 
 N or drive position D (Y page 291). 438
Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and 
X SolutionsÁ Night 
View 
Assist 
Lights ON 
or AUTO, 
Not in R 
Gear You have tried to switch on Night View Assist, but the exterior
lamp switch is not set to c or L.
In addition, the automatic transmission is in reverse gear 
R.
X Turn the exterior lamp switch to c or L
(Y page 275).
X Shift the automatic transmission to park position  P, neutral
position  N or drive position D (Y page 291). Á Night 
View 
Assist 
Only When 
It Is Dark You have tried to switch on Night View Assist by daylight.
You can only switch on Night View Assist when it is dark.
Vehicle
Display messages
Possible causes/consequences and 
X Solutions: The trunk is open.
X
Close the trunk (Y page 258). M You are driving with the hood open.
X
Stop the vehicle in a safe location as soon as it is safe to
do so.
X Close the hood ( Y page 369).
There is otherwise danger of an accident. C You are driving with at least one door open.
The display symbol shows you which doors are open.
X
Close all doors. _ Lock Seat 
Backrest 
Front Left
or
Lock Seat 
Backrest 
Front 
Right The driver or front passenger seat backrest is not engaged.
The 
driver’s 
or front passenger’s seat belt can not secure the
driver or passenger.
X Fold back and push the seat backrest until the seat cushion
and seat 
backrest audibly engage into the driving position. Vehicle status messages in the multifunction display
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Display messages
Possible causes/consequences and 
X SolutionsE Shift to P You have attempted to turn off the engine with the KEYLESS-
GO start/stop button and opened the driver’s door with the
automatic transmission not shift to park position 
P.
X Shift the automatic transmission to park position  P
(Y page 291).
or
X Close the driver’s door. Â Key 
Detected 
In Vehicle A SmartKey with KEYLESS-GO left in the vehicle was
recognized while trying to lock the vehicle from the outside.
X
Take the SmartKey out of the vehicle. Â Don’t 
Forget 
Your Key This message appears for a maximum of 60 seconds if the
driver’s door is opened with the engine turned off and no
SmartKey in the starter switch. This message is only a
reminder.
X
Take the SmartKey with you when leaving the vehicle. Â Take Your 
Key From 
Ignition You have forgotten to remove the SmartKey.
X
Remove the SmartKey from the starter switch. Â Obtain a 
New Key The SmartKey with KEYLESS-GO must be replaced.
X
Contact an authorized Mercedes-Benz Center. Â Close 
Doors to 
Lock 
Vehicle You tried to lock the vehicle but not all doors were closed.
X
Close doors and lock the vehicle again. Â Key Does 
Not 
Belong to 
Vehicle The SmartKey in the starter switch does not belong to the
vehicle.
X
Remove the SmartKey from the starter switch. Â Replace 
Key 
Battery The batteries in the SmartKey with KEYLESS-GO are
discharged.
X
Replace the batteries ( Y page 461).440
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