2008 MERCEDES-BENZ SL ROADSTER warning

Troubleshooting
234 Problem Possible cause/consequence Suggeste
dsolutions v
They ello wA BS/ESP ®
warning lamp flashes
whil eyou ared riving. G
Ris
kofa ccident
ESP ®
,A BS or tractio ncontrol has
intervened becaus eatleastone
whee lhas reache dits gri plimit
and is threatening to spin or lock.
Cruise control or Distronic* is
deactivated. X
Onl ydepress the accelerator peda lasfaras necessary when pull-
ing away.
X Releas ethe accelerator peda lwhile youa redriving.
X Adapt your driving style to suit the roa dand weather conditions.
X Do not deactivate ESP ®
.
Exceptions: .(Y page 54). v
All models except SL 63
AMG:
The yellow ABS/ESP ®
warning lamp is lit while
the engin eisrunning. G
Risk of accident
ESP ®
is deactivated. ESP ®
will
not stabilise the vehicle if it starts
to skid or if awheel start stospin. X
Reactivat eESP®
.
Exceptions: .(Y page 55).
X Adapt your drivin gstyle to suit the road and weather conditions. v
SL 63 AMG:
The yellow ABS/ESP ®
warning lamp is lit while
the engin eisrunning. G
Risk of accident
ESP ®
Sport is activated. ESP ®
Sport will only stabilise the vehi-
cle to alimited degree if it starts
to skid or if awheel start stospin. X
Reactivat eESP®
. v
¯
SL 63 AMG:
The yellow ABS/ESP
®
and
ESP ®
OFF warning lamps
are lit while the engin eis
running. G
Risk of accident
ESP ®
is deactivated. ESP ®
will
not stabilise the vehicle if it starts
to skid or if awheel start stospin. X
Reactivat eESP®
.
Exceptions: (Y page 56).
X Adapt your drivin gstyle to suit the road and weather conditions. Practical advice
*optional
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Troubleshooting
235Problem Possible cause/consequence Suggeste
dsolutions v
They ello wESP®
warning
lamp is li twhile the engine
is running .Inaddition, a
message appear sinthe
multi-functio ndisplay. G
Ris
kofa ccident
ESP ®
is unavailable du etoamal-
function. ESP ®
will not stabilise
the vehicl eifitstarts to ski dorif
aw heel starts to spin. X
Observe the additional message sinthe multi-functio ndisplay
( Y page 202).
X Drive on carefully.
X Visi taq ualified specialis tworkshop. 1
Ther ed SR Swarning lamp
is li twhile the engine is
running. G
Ris
kofi njury
Th er estraint systems ar emal-
functioning .The airbags or belt
tensioners ma yeithe rbet rig-
gered unintentionall yor, in the
event of an accident, not at all. X
Visi taq ualified specialis tworkshop immediately. 3
Ther ed brake system
warning lamp comes on
whil eyou ared riving. You
will also hear awarning
tone. Yo
ua redriving with the parking
brake applied. X
Releas ethe parking brake.
Th ew arning lamp goes ou tand the warning tone ceases. 3
Ther ed brake system
warning lamp comes on
whil ethe engine is run-
ning .You will also hear a
warning tone. G
Ris
kofa ccident
There is insufficient brake flui din
the flui dreservoir.
There is amalfunctio nint he
SBC TM
brake system. X
Do not continue driving under any circumstances.
X Consult aqualified specialis tworkshop immediately.
X Observe the additional message sinthe multi-functio ndisplay
( Y page 202).
X Under no circumstances shoul dyou top up the brake fluid. This will
not rectif ythe fault. Practical advice
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Troubleshooting
236 Problem Possible cause/consequence Suggeste
dsolutions D
Ther ed coolant warning
lamp comes on whil ethe
engine is running. Th
ec oolant level is too low.
Th ec oolant is too ho tand the
engine is no longe rbeing cooled
sufficiently. X
Stop the vehicle. Pa yattentio ntotrafficconditions as yo udoso.
X Allow the engine and coolant to cool.
X Check the coolant level (Y page 180).Obser ve the warning notes.
To pupt he coolant if necessary.
X Have the coolant syste mchecked at aqualified specialis twork-
sho pift he coolant needs topping up mor eoftenthanu sual. D
Ther ed coolant warning
lamp comes on whil ethe
engine is running. If the coolant level is correct, the
airflow to the radiato
rmaybe
blocke dorthe radiato rfan may
be malfunctioning.
Th ec oolant is too ho tand the
engine is no longe rbeing cooled
sufficiently. X
Make sure tha tthe airflow to the radiato risnot blocked, e.g .by
snow, slus horice.
X If the coolant temperatur eislesst han1 20† ,you can continue
driving to the neares tqualified specialis tworkshop.
X Avoi dheavy loadsont he engine (e.g. driving in mountainou ster-
rain) and stop-and-g odriving. D
Ther ed coolant warning
lamp comes on whil ethe
engine is running .You will
also hear awarning tone. Th
ec oolant level is too low.
Th ec oolant temperatur ehas
exceeded 120 †. Th eengine is
not being coole dsufficiently and
ma ybed amaged. X
Stop the vehicle. Pa yattentio ntotrafficconditions as yo udoso.
X Allow the engine and coolant to cool.
X Check the coolant level (Y page 180).Obser ve the warning notes.
To pupt he coolant if necessary.
X Have the coolant syste mchecked at aqualified specialis twork-
sho pift he coolant needs topping up mor eoftenthanu sual. Practical advice
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Troubleshooting
237Problem Possible cause/consequence Suggeste
dsolutions D
Ther ed coolant warning
lamp comes on whil ethe
engine is running .You will
also hear awarning tone. If the coolant level is correc
tand
the airflow to the radiato risnot
blocked, the radiato rfan ma ybe
malfunctioning.
Th ec oolant temperatur ehas
exceeded 120 †. Th eengine is
not being coole dsufficiently and
ma ybed amaged. X
Do not continue driving under any circumstances.
X Consult aqualified specialis tworkshop. ±
They ello wengine diagnos-
tics warning lamp comes
on whil ethe engine is run-
ning. There ma
ybeamalfunction:
R in the fuel injectio nsystem
R in the exhaust system
R in the ignition system
Th ee mission limi tvalues maybe
exceeded and the engine ma ybe
running in emergency mode. X
Have the vehicl echecked as soon as possibl eataqualified spe-
cialist workshop. \
They ello wroll-over bar
warning lamp is lit. G
Ris
kofi njury
Th er oll-over ba risnot ready for
operation. X
Rais ethe roll-over ba r(Ypage 46).
X Visi taq ualified specialis tworkshop. Practical advice
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Troubleshooting
238 Problem Possible cause/consequence Suggeste
dsolutions H
They ello wtyrep ressure
monitor* warning lamp is
on. G
Ris
kofa ccident
Th et yrep ressure monitor* has
detecte dasudde nors ignificant
pressure loss in at leas tone of
the tyres. X
Stop the vehicl ewithout making any sudden steering or braking
manoeuvres .Pay attentio ntotrafficconditions as yo udoso.
X Observe the additional message sinthe multi-functio ndisplay
( Y page 202).
Th ew arning ligh twillgoo utafter the flat tyr ehasbeen changed
and yo uhaveb eend riving for afew minutes. <
Ther ed seat belt warning
lamp lights up for 6sec-
ond safter the engine
starts up 22
. Th
es eatb eltw arning lamp
remind sthe driver and front
passenge rtofastent heir seat
belts. X
Faste nyours eatb elt( Ypage 83). <
After the engine starts you
will hear awarning tone for
up to 6seconds 22
. G
Ris
kofi njury
Th ed river's seat belt is not fas-
tened. X
Faste nyours eatb elt( Ypage 83).
Th ew arning tone ceases. <
Ther ed seat belt warning
lamp lights up after start-
ing the engine ,assoonas
the driver's door or the
front-passenge rdooris
closed. G
Ris
kofi njury
Th ed river or front passenge rhas
not fastened their seat belt. X
Faste nyours eatb elt( Ypage 83).
Th ew arning lamp goes out. G
Ris
kofi njury
There ar eobjects on the front-
passenge rseat. X
Remov ethe objects fro mthe front-passenge rseata nd sto wthem
safely.
Th ew arning lamp goes out. 22
Onl yfor certai ncountries. Practical advice
*optional
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Troubleshooting
239Problem Possible cause/consequence Suggeste
dsolutions <
Ther ed seat belt warning
lamp flashe sand yo uhear
an intermittent warning
tone. G
Ris
kofi njury
Th ed river or front passenge rhas
not fastened their seat belt and
yo ua redriving faste rthan
25 km/h or have briefl ydriven
faste rtha n25k m/h. X
Faste nyours eatb elt( Ypage 83).
Th ew arning lamp goes ou tand the intermittent warning tone
ceases. G
Ris
kofi njury
There ar eobjects on the front-
passenge rseata nd yo uaredriv-
ing faste rtha n25k m/h or have
briefl ydriven faste rthan
25 km/h. X
Remov ethe objects fro mthe front-passenge rseata nd sto wthem
safely.
Th ew arning lamp goes ou tand the intermittent warning tone
ceases. 4
They ello wreserv efuel
warning lamp comes on
whil ethe engine is run-
ning. Th
efue llev el ha sfallen belowthe
reserv erange. X
Refuel at the neares tfillin gstation. Practical advice
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Troubleshooting
240 Warnin
gtones Problem Possible cause/consequence Suggeste
dsolutions Th
ea nti-theft warning alar mis
triggered. Yo
uh aveo penedt he vehicle
using the emergency key element
without deactivating the anti-
theft alar msystemf irst. X
Switch off the alar m(Ypage 60). Yo
uh earaw arning tone. Am
essage appear sinthe multi-
functio ndisplay. X
See the explanations for the displa ymessage (Y page 202). Yo
uh earaw arning tone. Yo
ua redriving with the parking
brake applied. X
Releas ethe parking brake. Yo
uh earaw arning tone. Yo
ud idnot switch off the lights
when leaving the vehicle. X
Turn the ligh tswitch to MorU.
or
X If the rea rfoglamp is switched on: press the ligh tswitch in to the
stop. Yo
uh earaw arning tone. G
Ris
kofi njury
Th ed river or front passenge rhas
not fastened their seat belt. X
Faste nyours eatb elt( Ypage 83). Yo
uh earac ontinuous tone. Yo
uh aves witched off the engine
and opene dthe bonnet or the
driver's door with SBC Hol dacti-
vated. X
Deactivate SBC Hol d(Ypage 137). Practical advice
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Troubleshooting
245Problem Possible cause/consequence Suggeste
dsolutions Th
ee ngine is not running
smoothly and is misfiring. There is
amalfunctio nint he
engine electronics or amechani-
cal component of the engine con-
trol unit. X
Onl ydepress the accelerator peda lsligh tly.
X Have the caus erectifie dimm ediatel yataq ualified specialis twork-
shop.
Otherwise, non-combuste dfue lm aygetinto the catalytic converter
and damage it. Ac
oolant temperatur eofover
120 °C is displayed. Th ecoolant
warning lamp ma yalsobeona nd
aw arning tone ma ysound
(Y page 106). Th
ec oolant level is too low. The
coolant is too ho tand the engine
is no longe rbeing coole dsuffi-
ciently. X
Stop as soon as possibl eand allo wthe engine and the coolant to
coo ldow n.
X Check the coolant level (Y page 180).Obser ve the warning notes
as yo udosoa nd top up the coolant if necessary. If the coolant level is correct, the
radiato
rfan ma ybef aulty.The
coolant is too ho tand the engine
is no longe rbeing coole dsuffi-
ciently. X
If the coolant temperatur eislesst han1 20 °C ,you can continue
driving to the neares tqualified specialis tworkshop.
X Avoi dheavy loadsont he engine as yo udoso,e.g .whend riving on
mountai nroads and stop/star tdriving. Practical advice
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