2014 MERCEDES-BENZ CLS Owners Manual

Display messagesPossible causes/consequences andSolutions
ParkAssist
Inoperative
You havejustcarriedoutalargenumber of turning or parking
maneuvers.
Active Parking Assistwill become available again after
approximately ten minutes (Ypage 196).
XPull over and stop the vehicle safely as soon as possible,paying
attention to road and traffic conditions.
XSwitch off and restart the engine.
If the display message continues to be displayed:
XVisitaqualified specialist workshop.
PARKTRONIC is defective.
XVisitaqualified specialist workshop.
Park Assist
Finished
The vehicle is parked.Awarning tone also sounds.
The display message disappears automatically.
DISTRONIC PLUSOffDISTRONICPLUShas been deactivated(Ypage 177).
If it was notdeactivated by the driver,awarning tonealso sounds.
DISTRONICPLUSNow
Available
DISTRONIC PLUS is operational again after having been
temporarily unavailable. You can now reactivate DISTRONIC PLUS
(Ypage 177).
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Display messagesPossible causes/consequences andSolutions
DISTRONIC PLUS
Currently
Unavailable See
Operator'sManual
DISTRONIC PLUSistemporarily inoperative.
Possible causes are:
Rfunction is impaired due to heavy rain or snow.
Rthe sensors in the radiator grill and the bumper are dirty.
Rthe radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation.
Rthe system is outside the operating temperature range.
Rthe on-board voltage is too low.
Awarning tone also sounds.
When thecauses statedabovenolonger apply, thedisplay
message disappears.
DISTRONICisoperational again.
If thedisplay message does notdisappear:
XPull over and stop the vehicle safely as soon as possible,paying
attention to road and traffic conditions.
XSecure the vehicle against rollingaway (Ypage 167).
XClean the sensors in the radiator grill and the bumper
(Ypage 315).
XRestartthe engine.
DISTRONIC PLUS
Inoperative
DISTRONIC PLUS is defective.
The following may have also failed:
RBAS PLUS (Brake Assist System PLUS)
RPRE-SAFE®Brake
Awarning tone also sounds.
XVisitaqualified specialist workshop.
DISTRONIC PLUS
Suspended
You have depressed the accelerator pedal. DISTRONIC PLUS is no
longer controlling the speed of the vehicle.
XRemove your foot from the accelerator pedal.
DISTRONIC PLUS
---mph
An activation condition for DISTRONIC PLUS is not fulfilled.
XCheck the activation conditionsfor DISTRONIC PLUS
(Ypage 177).
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Display messagesPossible causes/consequences andSolutions
Cruise Control
Inoperative
Cruisecontrolisdefective.
Awarning tone also sounds.
XVisitaqualified specialist workshop.
Cruise Control
---mph
Acondition for activatingcruise control has not been fulfilled.
You have tried to storeaspeed below 20 mph (30 km/h), for
example.
XIf conditionspermit,drive faster than 20 mph (30 km/h) and
storethe speed.
XCheck the activation conditionsfor cruise control
(Ypage 175).
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Tires
Display messagesPossible causes/consequencesandSolutions
Check
TirePressure Soon
The tire pressure loss warningsystem has detectedasignificant
lossinpressure.
Awarning tone also sounds.
GWARNING
Withtirepressureswhichare toolow, there isariskofthe
following hazards:
Rthey may burst, especiallyasthe load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There isarisk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditionsasyou do so.
XSecure the vehicle against rolling away (Ypage 167).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 321).
XCheck the tire pressures and, if necessary, correct the tire
pressure.
XRestart the tire pressure loss warning system when the tire
pressure is correct (Ypage 342).
CheckTirePressure
Then Restart Run
Flat Indicator
The tire pressure loss warning system generatedadisplay
message and has not been restarted since.
XSet the correct tire pressure in all four tires.
XRestart the tire pressure loss warning system (Ypage 342).
Run Flat Indicator
Inoperative
The tire pressure loss warning system is faulty.
XVisitaqualified specialist workshop.
Rectify
Tire Pressure
The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
XCheck the tire pressures at the next opportunity (Ypage 342).
XIf necessary, correct the tire pressure.
XRestart the tire pressure monitor (Ypage 345).
258Display messages
On-board computer and displays

Display messagesPossible causes/consequences andSolutions
Check
Tires
The tire pressureinoneor moretires has dropped significantly.
The wheelposition is displayed in themultifunction display.
Awarning tone also sounds.
GWARNING
Withtirepressureswhichare toolow, there isariskofthe
following hazards:
Rthey may burst, especiallyasthe load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There isarisk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditionsasyou do so.
XSecure the vehicle against rolling away (Ypage 167).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 321).
XCheck the tire pressure (Ypage 342).
XIf necessary, correct the tire pressure.
Warning
Tire Malfunction
The tire pressure in one or more tires has dropped suddenly. The
wheel position is shown in the multifunction display.
GWARNING
If you drive withaflat tire, there isarisk of the following hazards:
Raflat tire affects the ability to steer or brake the vehicle.
Ryou could lose control of the vehicle.
Rcontinued driving withaflat tire will cause excessive heat build-
up and possiblyafire.
There isarisk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditionsasyou do so.
XSecure the vehicle against rolling away (Ypage 167).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 321).
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On-board computer and displays
Z

Display messagesPossible causes/consequences andSolutions
TirePress.Monitor
Currently
Unavailable
Due toasource of radiointerference,nosignals can be received
from the wheelsensors.The tire pressure monitor is temporarily
malfunctioning.
XDrive on.
The tire pressure monitor restarts automatically as soon as the
problem has been solved.
TirePress.
Sensor(s) Missing
There is no signal from the tire pressure sensor of one or several
wheels. The pressure of the affected tire is not displayed in the
multifunction display.
XHave the faulty tire pressure sensor replaced ataqualified
specialist workshop.
Tire Pressure
Monitor
Inoperative No
Wheel Sensors
The wheels mounted do not haveasuitable tire pressure sensor.
The tire pressure monitor is deactivated.
XMount wheels with suitable tire pressure sensors.
The tire pressure monitor is activated automatically after driving
forafew minutes.
TirePress.Monitor
Inoperative
The tire pressure monitor is faulty.
XVisitaqualified specialist workshop.
Vehicle
Display messagesPossible causes/consequencesandSolutions
Shiftto'P'or'N'
To Start Engine
You have attempted to start the engine with the transmission in
positionRorD.
XShift the transmission to positionPorN.
Auxiliary Battery
Malfunction
The auxiliary battery for the automatic transmission is no longer
being charged.
XVisitaqualified specialist workshop.
Apply Brake
to Shift from 'P'
You have attempted to move the transmission selector lever to
positionD,RorNwithout depressing the brake pedal.
XDepress the brake pedal.
Risk of Rolling
Away
Vehicle Not in 'P'
The driver's door is open and the transmission is in positionR,N
orD.
Awarning tone also sounds.
XShift thetransmission to positionP.
XSecure thevehicle against rolling away (Ypage 167).
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Display messagesPossible causes/consequences andSolutions
ServiceRequired
DoNotShiftGears
Visit Dealer
You cannotchange the transmission position due toamalfunction.
Awarning tone also sounds.
If transmission positionDis selected:
XDrive toaqualified specialist workshopwithout shiftingthe
transmission from positionD.
If transmission positionR,NorPis selected:
XNotifyaqualified specialist workshoporbreakdown service.
OnlyShift to 'P'
whenVehicleis
Stationary
The vehicle is moving.
XPull overand stop the vehiclesafelyassoonaspossible,paying
attention to road and traffic conditions.
XShift the transmission to positionP.
the trunk lid is open.
XClose the trunk lid.
The hood is open.Awarning tone also sounds.
GWARNING
The open hood may blockyour view when the vehicle is in motion.
There isarisk of an accident.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 167).
XClose the hood.
At least one door is open.Awarning tone also sounds.
XClose all thedoors.


RearLeftBackrest
Not Latchedor
RearRight
Backrest Not
Latched
The backrestinthe rear is not engaged on the left-hand and/or
right-hand side.Awarning tone also sounds.
XPush thebackrestback until it engages.


LockSeatBackrest
Front LeftorLock
SeatBackrest
Front Right
The driver'sorfront passenger'sseat backrestisnot engaged. A
warning tonealso sounds.
XPush the backrest back until it engages.
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Display messagesPossible causes/consequences andSolutions

Power Steering
Malfunction See
Operator'sManual
The powersteering is malfunctioning.
Awarning tone also sounds.
GWARNING
You will need to use moreforce to steer.
Thereisariskofanaccident.
XCheck whetheryou are able to apply the extraforce required.
XIf you are able to steer safely:carefully drive on toaqualified
specialist workshop.
XIf you are unable to steer safely:do not drive on. Contact the
nearest qualified specialist workshop.
Phone No ServiceYour vehicle is outside the network provider's transmitter/
receiver range.
XWait until the mobile phone operational readiness symbol
appears in the multifunction display.

Check Washer Fluid
The washer fluid level in the washer fluid reservoir has dropped
below the minimum.
XAdd washer fluid (Ypage 309).
SmartKey
Display messagesPossible causes/consequences andSolutions

Key Does Not
Belong to Vehicle
You have put the wrong SmartKey in the ignition lock.
XUse the correctSmartKey.

TakeYourKeyfrom
Ignition
The SmartKey is in the ignition lock.
XRemove the SmartKey.

ObtainaNew Key
The SmartKey needs to be replaced.
XVisitaqualified specialist workshop.

ReplaceKeyBattery
The batteries of the KEYLESS-GO key are discharged.
XChange the batteries (Ypage 79).
262Display messages
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