2016 MERCEDES-BENZ SL-Class engine

Display messagesPossible causes/consequences andMSolutions
The yellow! warnin glamp lights up. If you manually apply or
release th eelectric parkin gbrake, th ered F (USAonly) or !
(Canada only) indicato rlamp flashes .
The electric parkin gbrak eis malfunctioning. It is no tpossibl eto
apply th eelectric parkin gbrak emanually.
XShift th eselector lever to P,as th eelectric parkin gbrak eis no t
applied automatically.
XVisit aqualified specialist workshop .
F(USA
only)
!(Canada
only)
Parkin g
BrakeInop‐
erative
The yello w! warnin glamp lights up. The red F(USAonly)
or ! (Canada only) indicato rlamp flashes fo rabout te nsec -
onds after th eelectric parkin gbrak ehas been applied or released.
It then goe sout or remain slit .
The electric parkin gbrak eis malfunctioning, e.g. because of over-
voltag eor undervoltage.
XRemove th ecaus efo rth eovervoltage or undervoltage, e.g. by
chargin gth ebattery or restarting th eengine.
XEngage or release th eelectric parkin gbrake.
If it remain simpossible to apply or release th eelectric parkin g
brake:
XSwitc hof fth eignition and tur nit bac kon .
XEngage or release th eelectric parkin gbrake.
If th eelectric parkin gbrak estill canno tbe released:
XConsult aqualified specialist workshop .
If th eelectric parkin gbrak estill canno tbe applied:
XVisit aqualified specialist workshop .
The yellow! warnin glamp lights up and th ered F (USA
only) or !(Canada only) indicato rlamp flashes .
It is no tpossibl eto apply th eelectric parkin gbrak emanually.
XShift th eselector lever to position P.
XVisitaqualified specialist workshop .
Display messages245
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
PRE-SAFE
PRE-SAFEFunctions
Currently Limited
SeeOperator'sMan‐
ual
PRE ‑S AF E®Brake is deactivated or temporarily inoperative. Pos -
sibl ecauses are:
Rfunction is impaire ddue to heav yrain or snow.
Rth esensor sin th eradiato rtrim and th ebumper are dirty.
Rth erada rsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radi osta-
tion sor other source sof electromagnetic radiation .
RMercedes-AMG vehicles: ESP®is deactivated
Rthesystem is outside th eoperating temperature range.
Rth eon-boar dvoltag eis to olow.
Whe nth ecauses state dabov eno longer apply, th edisplay mes -
sage disappears.
PRE ‑S AF E
®Brake is operational again .
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 171).
XClean th esensor sin th eradiato rgrill and th ebumper
(
Ypage 546).
XRestart th eengine.
XMercedes-AMG vehicles: reactivat eES P®(Ypage 76) .
PRE-SAFEFunctions
LimitedSee Opera‐
tor's Manual
PRE-SAF E®Brake is inoperative due to amalfunction .BA SPLU Sor
th edistanc ewarnin gsignal may also hav efailed.
XVisit aqualified specialist workshop .
Display messages247
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
Radar Sensors
Dirty See Opera‐
tor's Manual
At leaston eof th efollowing drivin gsystems or drivin gsafet ysys-
tems is temporarily restricted or inoperative:
RPRE-SAF E®Brake
RDISTRONIC PLU S
RActive LaneKeepin gAssis t
RActive Blind Spot Assis t
If th erada rsensor system in fron tis dirty, Active Blind Spot Assis t
will no tperform acourse-correcting brak eapplication .
Possibl ecauses are:
Rth esensor sin th eradiato rtrim and/o rin th ebumpers are dirty
Rth efunction of th edrivin gsystem and/o rdrivin gsafet ysystem
is impaire ddue to heav yrain or snow.
A warnin gtone also sounds.
Whe nth ecauses state dabov eno longer apply, th edisplay mes -
sage disappears. Al ldrivin gsystems and drivin gsafet ysystems
are operative 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 171).
XSwitchof fth eengine.
XClean th esensor sin th efollowing location s (Ypage 546):
Rin theradiato rtrim
Rin th efron tbumper
Rin th erear bumper, particularl yin th emiddle of th erear
bumper
XRestart th eengine.
The display message disappears.
A
Malfunction Ser ‐
viceRequired
The rol lbars are defective.
GWARNIN G
The rollbars will then possibl yno tbe extended in th eevent of an
accident.
There is an increase dris kof injury.
XVisit aqualified specialist workshop immediately.
248Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
Adaptive Highbeam
Assist Inoperative
Adaptive Highbeam Assistis faulty.
XVisit aqualified specialist workshop .
Adaptive Highbeam
Assist Currently
Unavailable See
Operator'sManual
Adaptive Highbeam Assis tis deactivated and temporarily inoper -
ative. Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibility is impaire ddue to heav yrain ,snow or fog.
XClean th ewindshield.
If th esystem detects that th ecamera is full yoperational again ,th e
Adaptive
HighbeamAssistNowAvailablemessage appears .
Adaptive Highbeam Assis tis operational again .
Engine
Display messagesPossible causes/consequences and MSolutions
+
Check Coolant
Level See Opera‐
tor's Manual
The coolantlevel is to olow.
!Avoid makin glon gjourneys wit hto olittl ecoolan tin th eengin e
coolin gsystem. The engin ewill otherwise be damaged.
XAd dcoolant, observin gth ewarnin gnote sbefore doin gso
(
Ypage 539).
XIf you need to add coolan tmor eofte nthan usual, hav eth e
engin ecoolan tsystem checke dat aqualified specialist work-
shop.
?The fan motor is faulty.
XAt coolan ttemperatures belo w24 8 ‡ (120†), drive to th e
neares tqualified specialist workshop .
XAvoid subjecting theengin eto heav yloads ,e.g. drivin gin moun-
tainous terrain ,and stop-and-g otraffic.
Display messages25 5
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
?
CoolantToo Hot
Sto pVehicl eTur n
Engine Off
The coolan tis to ohot .
A warnin gtone also sounds.
GWARNIN G
Do notdrive when your engin eis overheated. This can caus esom e
fluids whic hmay hav eleaked into th eengin ecompartmen tto
catch fire.
Steam from th eoverheated engin ecan also caus eserious burn s
whic hcan occur jus tby openin gth ehood.
There is aris kof injury.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 171).
XLeaveth evehicl eand keep asaf edistanc efrom th evehicl euntil
th eengin ehas cooled down .
XMakesur ethat th eair supply to th eengin eradiato ris no t
blocked, e.g. by snow, slus hor ice .
XDo no tstart th eengin eagain until th edisplay message goe sout
and th ecoolan ttemperature is belo w24 8 ‡ (120†). Other -
wise ,th eengin ecould be damaged.
XPay attention to th ecoolan ttemperature display.
XIf th etemperature increase sagain ,visit aqualified specialist
workshop immediately.
Under normal operating condition sand wit hth especified coolan t
level, th ecoolan ttemperature may ris eto 24 8 ‡(120†).
#
SeeOperator' sMan‐
ual
The battery is no tbein gcharged.
A warnin gtone also sounds.
Possibl ecauses are:
Radefective alternato r
Ratorn poly-V-belt
Ramalfunction in th eelectronics
!Do no tcontinue driving. The engin ecould otherwise overheat .
XPull overand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 171).
XConsult aqualified specialist workshop .
256Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
#
StopVehicl eSee
Operator' sManual
The battery is no longer bein gcharged and th ebattery charg elevel
is to olow.
A warnin gtone also sounds.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 171).
XObserv eth einstruction sin th edisplay message #See
Operator' sManual.
XConsult aqualified specialist workshop .
4
Check Engine Oil
At NextRefueling
The engin eoil level has dropped to th eminimum level.
A warnin gtone also sounds.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill
otherwise be damaged.
XChec kth eoil level when next refueling, at th elatest
(
Ypage 537).
XIf necessary, add engin eoil (Ypage 538).
XHav eth eengin echecke dat aqualified specialist workshop if
you need to add engin eoil mor eofte nthan usual.
Information on approve dengin eoils can be obtained from any
qualified specialist workshop or on th eInternet at http:/ /
bevo.mercedes-benz.com.
4
Check Engine Oil
Level(Ad d1quart)
Mercedes-AMG vehicles: th eengin eoil level is to olow.
!Avoid lon gjourneys wit hto olittl eengin eoil. The engin ewill
otherwise be damaged.
XChec kth eoil level when next refueling, at th elatest
(
Ypage 537).
XIf necessary, add engin eoil (Ypage 538).
XHav eth eengin echecke dat aqualified specialist workshop if
you need to add engin eoil mor eofte nthan usual.
Information on approve dengin eoils can be obtained from any
qualified specialist workshop or on th eInternet at http:/ /
bevo.mercedes-benz.com.
Display messages25 7
On-board computer and displays
Z

Display messagesPossible causes/consequences andMSolutions
4
Engine Oil Level
StopVehicl eTur n
Engine Off
Mercedes-AMG vehicles: th eengin eoil level is to olow.
There is aris kof engin edamage.
XPull ove rand stop th evehicl esafely and switch of fth eengine,
payin gattention to roa dand traffic conditions.
XSecur eth evehicl eagainst rollin gaway (Ypage 171).
XCheckth eengin eoil level (Ypage 537).
XIf necessary, add engin eoil (Ypage 538).
8
Fue lLevel Low
The fuel level has dropped into th ereserv erange.
XRefuel at th eneares tgas station .
CThere is only aver ysmall amount of fue lin th efuel tank.
XRefuel at th eneares tgas station without fail .
8
Gas Cap Loose
The fuel system pressur eis to olow. The fuel filler cap is no tclosed
correctl yor th efue lsystem is leaking.
XChec kthat th efuel filler cap is correctl yclosed .
If th efuel filler cap is not correctl yclosed :
XCloseth efuel filler cap .
If th efuel filler cap is correctl yclosed :
XVisitaqualified specialist workshop .
Driving systems
Display messagesPossible causes/consequences and MSolutions
ABC MalfunctionThe Active Body Control (ABC) function is restricted.
GWARNING
The vehicle's suspensio nsetting smay be affected.
There is aris kof an accident.
XDo no tdrive at speeds abov e50 mph (80 km/h).
XVisit aqualified specialist workshop .
ABC Malfunction
StopVehicl e
The Active Body Control (ABC) vehicl elevel is to olow.
XPull ove rand stop th evehicl esafely as soo nas possible, payin g
attention to roa dand traffic conditions.
Afte r afew seconds, th evehicl elevel is adjusted and th edisplay
message disappears.
258Display messages
On-board computer and displays

Display messagesPossible causes/consequences andMSolutions
Active LaneKeep‐
ing Assist Cur ‐
rentlyUnavailable
SeeOperator'sMan‐
ual
Active Lan eKeepin gAssis tis deactivated and temporarily inop-
erative .
Possibl ecauses are:
Rth ewindshield in th ecamera' sfield of vision is dirty.
Rvisibility is impaire ddue to heav yrain ,snow or fog.
Rthere hav ebeen no lan emarking sfo ran extended period.
Rth elan emarking sare worn, dark or covered, e.g. by dir tor snow.
Whe nth ecauses state dabov eno longer apply, th edisplay mes -
sage disappears.
Active Lan eKeepin gAssis tis 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 171).
XClean th ewindshield.
Active Lan eKeep‐
ing Assist Inoper ‐
ative
Active LaneKeepin gAssis tis defective.
XVisit aqualified specialist workshop .
Active Blind Spot
Assist Currently
Unavailable See
Operator'sManual
Active Blind Spot Assis tis temporarily inoperative. Possibl ecau-
ses are:
Rth esensor sare dirty.
Rfunction is impaire ddue to heav yrain or snow.
Rth erada rsensor system is outside th eoperating temperature
range.
Rth erada rsensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radi osta-
tion sor other source sof electromagnetic radiation .
The yello w9 indicato rlamp salso ligh tup in th eexterio rmir -
rors.
Whe nth ecauses state dabov eno longer apply, th edisplay mes -
sage disappears.
Active Blind Spot Assis tis 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 171).
XClean th esensor s (Ypage 546).
XRestart th eengine.
260Display messages
On-board computer and displays