Display messagesPossible causes/consequences andMSolutions
Â
ObtainaNew Key
The SmartKey needs to be replaced.
XVisit aqualified specialist workshop .
Â
ReplaceKey Batter y
The SmartKey battery is discharged.
XChange thebattery (Ypage 73) .
Â
Don't Forget You rKey
The display message is shown for amaximum of 60 seconds and is
only areminder.
You hav eopened th edriver's door wit hthe engin eswitched off .The
SmartKey is no tintheignition lock. Awarning tone sounds.
XTakethe SmartKey wit hyou when you leav ethe vehicle.
Â
Key Not Detected(redd isplay message )
The SmartKey is no tinthevehicle.
Aw arning tone also sounds.
If th eengineiss witched off ,you can no longer loc kthe vehicl ecen-
trally or start th eengine.
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XLocate th eSmartKey.
Becaus ethe re is interferenc efromas tron gs ource of radi owaves, th e
SmartKey is no tdetecte dwhilstthe engin eisrunning.
Aw arning tone also sounds.
XPull ove rand stop th evehicl esafely as soo naspossible, payin g
attention to roa dand traffic conditions.
XSecur ethe vehicl eagainst rollin gaway (Ypage 141).
XInser tthe SmartKey int othe ignition loc kand drive in SmartKey
mode.
Â
Key Not Detected(whit edisplay message )
The SmartKey is currentl yundetected.
XChange th elocation of th eSmartKey in th evehicle.
If th eSmartKey still canno tbedetected:
XOperat ethe vehicl ewitht he SmartKey in th eignition lock.
Â
Remove 'Start 'But‐ton and Insert Key
The SmartKey is continually undetected.
The SmartKey detection function has atem porar ymalfunction or is
faulty. Awarning tone also sounds.
XInser tthe SmartKey int othe ignition loc kand tur nittot hedesire d
position .
XVisitaqualified specialist workshop .
Display messages217
On-boardc omputer andd isplays
Z
Noteson4 MATIC vehicles
!
Vehicle swith4 MATIC must not be towed
with eithe rthe front or the rea raxler aised, as
doing so will damage the transmission.
Vehicle swith4 MATIC mayo nlye ithe rbet owed
away with both axles on the ground or be loaded
up and transported.
If the vehicle' stransmission, front, or rea raxlei s
damaged, have the vehicl etransporte dona
truck or trailer.
In the even tofdamagetot he electrical sys-
tem:
If the battery is defective, the automatic trans-
mission will be locked in position j.Tos hift the
automatic transmission to position i,you
must provide powe rtothe vehicle' son-board
electrica lsys temint he same wa yaswhenjump-
starting (
Ypage 278).
Have the vehicl etransporte donatransporte ror
trailer.
Tow-startin g(em ergency engine
starting)
!
Vehicle switha utomatic transmission must
not be tow-started .You could otherwis edam -
ag et he automatic transmission.
iYouc an find information on "Jump-starting"
under (Ypage 278).
Fuses
Important safety notes
GWARNING
If yo umanipulate or bridg eafaulty fuse or if
yo ur eplace it with afusew ithah igheramper -
age, the electric cable scould be overloaded.
This could resul tinafire. There is ariskofa n
accident and injury.
Alway sreplace faulty fusesw itht he specified
new fusesh avingthe correc tamperage.
!Onlyu sefusest hath aveb eena pproved for
Mercedes-Benz vehicles and which have the
correc tfus er ating for the systemc oncerned.
Onlyu sefusesm arked with an "S" .Other- wise,c
omponents or systems could be dam-
aged.
!Make sure tha tnomoisture can ente rthe
fuse bo xwhent he cover is open.
!When closing the cover, make sure tha titis
lying correctly on the fuse box. Moistur eseep-
ing in or dirt could otherwis eimpair the oper-
ation of the fuses.
Th ef uses in your vehicl eserve to close down
faulty circuits .Ifafuse blows, al lthe compo-
nents on the circuit and their functions stop
operating.
Blown fusesm ustber eplaced with fusesoft he
same rating ,which yo ucan recognize by the
color and value. Th efuser ating sarelistedint he
fuse allocation chart.
Th efusea lloc atio
nc h
art is in the fuse bo xinthe
front-passenge rfootwell (Ypage 285).
If an ewly inserte dfusea lsob lows ,havet he
cause traced and rectifie dataqualified special-
is tw orkshop ,e.g.ana uthorized Mercedes-Benz
Center.
Before changin gafuse
XSecure the vehicl eagain st rolling away
(Ypage 141).
XSwitch off al lelectrica lconsumers.
XVehicle swithout KEYLESS-GO: remove the
SmartKeyf romthe ignition lock.
XVehicle swithK EYLESS -GOs tart-function
or KEYLESS-GO: open the driver's door.
Th ev ehicl eelectronics ar enow in position
g .Thisc orresponds to the SmartKeyb eing
remove dfromt he ignition.
Th ef uses arel oc ated in variou sfuseb oxes:
RFuse bo xinthe engine compartment on the
left-hand side of the vehicle, when viewed in
the directio noftravel
RFuse bo xinthe front-passenge rfootwell
Th efus ea lloc atio nchart is on the fuse bo xinthe
front-passenge rfootwell (
Ypage 285).
284Fuses
Breakdow nassistance
