Display messagesPossible causes/consequences andMSolutions
Distance Pilot OffDistancePilo tDISTRONI Cis deactivated (Ypage 131).
If it was no tdeactivated by th edriver , awarning tone also sounds.
Distance Pilot NowAvailableDistanc ePilo tDISTRONI Cis operational again after having been tem-
porarily unavailable .You can no wreactivat eDistanc ePilo t
DISTRONI C (
Ypage 131).
Distance Pilot Cur ‐rently UnavailableSee Operator'sMan ‐ual
Distanc ePilo tDISTRONI Cis temporarily inoperative.
Possibl ecauses are:
Rth eradar sensor system is temporarily inoperative, e.g. due to elec -
tromagneti cradiation emitted by nearby TV or radi ostation sor
other source sof electromagneti cradiation
Rth esystem is outside th eoperating temperature range
Rth eon-boar dvoltag eis to olow
A warning tone also sounds.
Whe nth ecauses state dabov eno longer apply, th edisplay message
disappears.
Distanc ePilo tDISTRONI Cis operational again .
If th edisplay message does no tdisappear :
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 122).
XRestart th eengine.
DistancePilotInop‐erativ eDistanc ePilo tDISTRONI Cis malfunctioning .
A warning tone also sounds.
XVisit aqualified specialist workshop .
Distance Pilot Sus‐pendedYou havedepressed th eaccelerato rpedal .Distanc ePilo tDISTRONI C
is no longer controllin gth espeed of th evehicle.
XRemove your foo tfrom th eaccelerato rpedal .
Distance Pilot- - - mphAcondition for activating Distanc ePilo tDISTRONI Chas no tbeen met .
XCheckth eactivation condition sfor Distanc ePilo tDISTRONI C
(Ypage 131).
CruiseContro lInop‐erativeCruisecontrol is malfunctioning .
A warning tone also sounds.
XVisit aqualified specialist workshop .
Display messages185
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
Cruise Control- - -mph
RAcondition for activating cruise control has no tbeen fulfilled .
You hav etried to store aspeed belo w20 mph (30 km/h), for exam-
ple
RES P®is deactivated. The yellow ES P®OFFwarning lamp is lit .
XIf conditionspermit ,drive at aspeed faste rthan 20 mph (30 km/h)
and store the speed.
or
XCheck the activation conditions for cruise control (Ypage 129).
or
XReactivate ESP®(Ypage 61).
Cruise Control OffCruise control has been deactivated.
If a warning tone also sounds, cruise control has deactivated auto-
matically (
Ypage 129).
Tires
Display messagesPossible causes/consequences and MSolutions
PleaseCorrectTirePressureThe 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 264).
XIf necessary, correct the tire pressure.
XRestart the tire pressure monitor (Ypage 266).
Check TiresThe tire pressure in one or more tires has dropped significantly. The
wheel position is displayed in the multifunction display.
A warning tone also sounds.
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the 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 is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 122).
XCheck the tires and, if necessary, follow the instructions for a flat
tire (Ypage 246).
XCheck the tire pressure (Ypage 264).
XIf necessary, correct the tire pressure.
186Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
WarningTir eMal ‐functionThe tire pressur ein on eor mor etires has dropped suddenly. The whee l
position is shown in th emultifunction display.
GWARNIN G
Drivin gwit h a flat tire poses aris kof th efollowin ghazards :
Raflat tire affects th eabilit yto steer or brak eth evehicl e
Ryou could lose control of th evehicl e
Rcontinued drivin gwit h a flat tire will caus eexcessive heat build-up
and possibl y afire
There is aris kof an accident.
XStop th evehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sas you do so.
XSecur eth evehicl eagainst rollin gaway (Ypage 122).
XCheckth etires and ,if necessary, follow th einstruction sfor aflat
tire (Ypage 246).
TirePress.Monito rCurrently Unavaila‐ble
Becausethere is interferenc efrom astron gsource of radi owaves, no
signals from th etire pressur esensor sare detected. The tire pressur e
monitor is temporarily malfunctioning .
XDrive on.
The tire pressur emonitor restarts automatically as soo nas th e
problem has been resolved.
TirePress .Sen ‐sor(s) Missin gThere is no signal from th etire pressur esensor of on eor several tires .
The pressur eof th eaffecte dtire is no tdisplayed in th emultifunction
display.
XHav eth efault ytire pressur esensor replace dat aqualified special -
ist workshop .
TirePressure Moni‐tor Inoperative NoWheel Sensor s
The wheels mounte ddo no thav e a suitable tire pressur esensor .The
tire pressur emonitor is deactivated.
XMoun twheels wit hsuitable tire pressur esensors.
The tire pressur emonitor is activated automatically after drivin gfor
a few minutes.
Tir ePress.Monito rInoperativeThe tire pressur emonitor is faulty.
XVisit aqualified specialist workshop .
Display messages187
On-board computer and displays
Z
Vehicle
Display messagesPossible causes/consequences andMSolutions
Shiftto'P'or'N'to Start EngineYou have attempted to start the engine with the transmission in posi-
tionkorh.
XShift the selector lever to jori.
Apply Brake toShift from 'P'You have attempted to shift the selector lever to position h,kori
without applying the brakes.
XDepress the brake pedal.
ToDeselectPorN,Depress Brake andStart Engine
With the engine switched off, you have attempted to shift the selector
lever out of position jori into another transmission position.
XDepress the brake pedal.
XStart the engine.
To Engage Trans‐miss. Position RFirst Depress theBrake
You have attempted to shift from position hto position kwithout
applying the brakes.
XDepress the brake pedal.
XShift the transmission to position k.
Driver's Door Open& Transmission Notin P Risk of Vehi‐cle Rolling Away
The driver's door is open or not fully closed and the transmission is in
positionk,iorh.
A warning tone also sounds.
GWARNING
The vehicle may roll away.
There is a risk of an accident.
XShift the transmission to position j.
XSecure the vehicle against rolling away (Ypage 122).
XClose the driver's door completely.
Only Shift to 'P'whenVehicleisSta‐tionary
The vehicle is moving.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XShift the transmission to positionj.
ServiceRequiredDoNot Shift GearsVisit Dealer
You cannot change the transmission position due to a malfunction.
A warning tone also sounds.
If transmission positionhis selected:
XDrive to a qualified specialist workshop without shifting the trans-
mission from position h.
If position k,iorj is selected:
XSecure the vehicle against rolling away (Ypage 277).
XNotify a qualified specialist workshop or breakdown service.
188Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
ReversingNotPossi‐bleServiceRequiredThe sub-transmission wit hth eeve ngear shas failed. You can no longer
engage revers egear .The smoothness of th egear chang eis restricted.
The transmission is in emergenc ymode.
A warning tone also sounds.
XVisit aqualified specialist workshop .
Transmission Mal‐function StopAmalfunction has occurred in th emechanical transmission compo -
nents.
A warning tone also sounds. The transmission shift sautomatically to
position i.
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XShift th eselector lever to position j.
XSecureth evehicl eagainst rollin gaway (Ypage 122).
XNotify aqualified specialist workshop or breakdown service.
Depres sBrake toStart EngineYou canno tstart th eengine. The engin ehas been switched off in hor
k.
XDepress th ebrak epedal and start th eengine.
Onl yShift to 'P'whe nVehicl eisSta‐tionar y
The vehicl eis moving .
XPull overand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XShift th etransmission to position j.
j
ParkingLoc kMal ‐funct. Apply Park‐ing Brake
The transmission position jcanno tbe selected.
XMak esur ethat th eelectric parking brak eis applied.
XPreven tth evehicl efrom rollin gaway before you leav eit
(Ypage 277).
XVisit aqualified specialist workshop .
d
Transmission OilCoolingMalfunction
The transmission coolan tpump is faulty. The transmission may over-
heat .
XIn th eon-boar dcomputer, select th eAMGmen uand chec kth e
transmission oil temperature (Ypage 165).
XAvoid excessive loading,e.g. due to dynamic driving.
XIf th etransmission oil temperature is belo w24 8°F (12 0°C) ,drive
on to th eneares tqualified specialist workshop .
d
Trans. Oil Overhea‐ted Drive on withCare
The transmission oil has overheated.
Manual mod eM and temporar ymanual drive progra mare no longer
available. Only th eComfor tdrive progra mis available for th etrans -
mission .The engin eoutput is reduce daccording to th edegree of
overheating .
XAllow thetransmission oil to cool by adopting adefensiv edrivin g
style.
Display messages18 9
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
ElectronicRea rAxleDifferentialLoc kInoperative
The electronic rear axl edifferential loc kis inoperative.
XVisit aqualified specialist workshop .
ElectronicRea rAxleDifferentialLoc kCurrentlyUnavailable
The electronic rear axl edifferential loc kmotor has overheated.
XAllow electronic rear axl edifferential loc kto cool by adopting a
defensiv edrivin gstyle.
NThe tailgat eis open
GWARNIN G
Whe nth eengin eis running, exhaust gase scan ente rth evehicl einte-
rio rif th etailgat eis open .
There is aris kof poisoning .
XCloseth etailgate.
MThe hoo dis open . Awarning tone also sounds.
GWARNIN G
The open hoo dmay bloc kyour vie wwhen th evehicl eis in motion .
There is aris kof an accident.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 122).
XCloseth ehood.
CAt least on edoor is open . Awarning tone also sounds.
XClos eall th edoors.
Rea rSpoile rCon ‐trolSystem Inoper ‐ative
The rear spoiler canno tbe full yretracte dand may extend again .
If th eretraction of th erear spoiler is blocked, e.g. by ice :
XMakesur ethat th ecaus eof th ebloc kis eliminated.
XSwitc hoff th eengin eand loc kth evehicle.
XStart th evehicl eafter waiting afew minutes.
The rear spoiler return sto th eoriginal position .
If this problem persists or th ecaus ecanno tbe identified:
XVisit aqualified specialist workshop .
190Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
Inoperative Cau‐tion, ReducedGround Clearance
!Taketh erestricted ground clearance int oaccoun twhen th eactive
aerodynamic sprofile is extended.
The active aerodynamic sprofile canno tfull yextend or retrac tand
reverses when possible.
Whe nextension/retraction of th eactive aerodynamic sprofile is
blocked:
XMak esur ethat th ecaus eof th ebloc kis eliminated.
XSwitc hoff th eengin eand loc kth evehicle.
XStart th evehicl eafter waiting afew minutes.
The active aerodynamic sprofile return sto th eoriginal position .
If this problem persists or th ecaus ecanno tbe identified:
XVisit aqualified specialist workshop .
RearSpoile rInoper‐ative Limit 125 mphThe rear spoiler canno tbe full yextended and extend sas far as pos -
sible.
The speed of th evehicl eis limite dto 12 5mph (20 0km/h ).
If the extension/retraction of the rear spoiler is blocked, e.g. by ice:
XMake sure that the cause of the block is eliminated.
XSwitch off the engine and lock the vehicle.
XStart the vehicle after waiting a few minutes.
The rear spoiler returns to the original position.
If this problem persists or the cause cannot be identified:
XVisit a qualified specialist workshop.
Ð
Power Steering Mal‐function See Opera‐tor's Manual
The power steering is malfunctioning.
A warning tone also sounds.
GWARNING
You will need to use more force to steer.
There is a risk of an accident.
XCheck whether you are able to apply the extra force required.
XIf you are able to steer safely: carefully drive on to a qualified
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 237).
Display messages191
On-board computer and displays
Z
SmartKey
Display messagesPossible causes/consequences andMSolutions
Â
KeyDoesNotBelongto Vehicle
You have put the wrong SmartKey in the ignition lock.
XUse the correct SmartKey.
Â
Take Your Key fromIgnition
The SmartKey is in the ignition lock.
XRemove the SmartKey.
Â
Obtain a New Key
The SmartKey needs to be replaced.
XVisit a qualified specialist workshop.
Â
Replace Key Battery
The SmartKey battery is discharged.
XChange the batteries (Ypage 68).
Â
Don't Forget YourKey
The SmartKey is not in the ignition lock. You have opened the driver's
door with the engine switched off.
This display message is displayed for a maximum of 60 seconds and is
simply a reminder.
XTake the SmartKey with you when you leave the vehicle.
Â
Key Not Detected(white display message)
The SmartKey is currently undetected.
XChange the location of the SmartKey in the vehicle.
If the SmartKey still cannot be detected:
XInsert the SmartKey into the ignition lock and turn it to the desired position.
Â
Key Not Detected(red display message)
The SmartKey is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the vehicle cen-
trally or start the engine.
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 122).
XLocate the SmartKey.
XPress aon the steering wheel to confirm the display message.
192Display messages
On-board computer and displays