2008 MERCEDES-BENZ SL ROADSTER Owners Manual

Troubleshooting
246 Automatic transmission
Problem Possible cause/consequence Suggeste
dsolutions Th
et ransmission ha sproblems
shifting gear Th
et ransmission is losing oil. X
Have the transmission checked at aqualified specialis tworkshop
immediately. Th
ea cceleratio nability is deteri-
orating.
Th et ransmission no longer
change sgear. Th
et ransmission is in emergency
mode.
It is onl ypossibl etos hift into
2nd gear and revers egear. X
Stop the vehicle.
X Move the selector lever to P.
X Turn the key to position 0in the ignition lock.
X Wait at leas t10second sbefor er estarting the engine.
X Move the selector lever to position Dor R.
If D is selected ,the transmission shifts into 2ndgear;ifRis selec-
ted ,the transmission shifts into revers egear.
X Have the transmission checked at aqualified specialis tworkshop
immediately. Practical advice
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Troubleshooting
247Parktronic*
Problem Possible cause/consequence Suggeste
dsolutions Onl
ythe red segments in the
Parktronic warning displa yarelit.
Yo ua lsoh earaw arning tone for
approximately two seconds.
Parktronic is deactivate dafter
approximately 20 second sand
the indicator lamp in the Park-
troni cbutton lights up. Parktronic ha
smalfu nctioned
and ha sswitched itsel foff. X
If problems persist, have Parktronic checked at aqualified spe-
cialist workshop. Onl
ythe red segments in the
Parktronic warning displa yarelit.
Parktronic is deactivate dafter
approximately 20 seconds. Th
eP arktronic sensors ar edirty
or there is interference. X
Clea nthe Parktronic sensors ( Ypage 198).
X Switch the ignition back on. Onl
ythe red segments in the
Parktronic warning displa yarelit.
Parktronic is deactivate dafter
approximately 20 seconds. Th
ep roblem ma ybecaused b yan
externa lsource of radi oorultra-
sound waves. X
See if Parktronic functions in adifferent location. Practical advice
*o ptional
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Troubleshooting
248 Headlamps and turn signals
Problem Possible cause/consequence Suggeste
dsolutions Th
eh eadlam ps or the tur nsignals
in the exterior mirrors ar emisted
up on the inside. Air humidity is ver
yhigh. X
Drive with the headlamps switched on.
Th eh eadlam ps aredemis teda fter as hort distance. Th
eh eadlam phousin gisnot
sealed and moisture ha sbeen
able to enter. X
Have the headlamps checked at aqualified specialis tworkshop. Windscreen wipers
Problem Possible cause/consequence Suggeste
dsolutions Th
ew indscreen wipers ar ejam-
med. Leaves or snow, for example, may
be obstructing the windscreen
wipe
rmovement. Th ewiper
moto rhas been deactivated. X
For safety reasons, yo ushoul dremove the key fro mthe ignition
lock.
X Remov ethe caus eofthe obstruction.
X Switch the windscreen wipers back on. Th
ew indscreen wipers fail com-
pletely. Th
ew indscreen wipe rdrive is
malfunctioning. X
Select anothe rwiper spee dont he combination switch.
X Have the windscreen wipers checked at aqualified specialis twork-
shop. Practical advice
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Troubleshooting
249Roof
Problem Possible cause/consequence Suggeste
dsolutions Th
er oofw illn ot open or close. Th
eb ootseparat or is not in place. X
Clos ethe boot separator. Th
eb ootlid is open. X
Clos ethe boot lid. Th
eo n-board voltag eistoo low. X
Let the engine run. Th
er oofw asopene dand closed
several times in succession. The
roo fdrive wa sautomatically
deactivated. Yo
uc an open or close the roo fagain after abou tten minutes.
X Switch the ignition off and the nonagain.
X Repeat the opening or closing procedure. Th
ea utomatic roo fmechanis mis
faulty. X
Consult aqualified specialis tworkshop. Practical advice
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Troubleshooting
250 Windows
Problem Possible cause/consequence Suggeste
dsolutions As
idew indo ww illn ot close. An object is blocking the side win-
do
wa nd preventing it fro mclos-
ing. X
Remov ethe object(s).
X Clos ethe side window. Yo
uc annot se ethe cause. X
Clos ethe side windo wwithi ncrease dforce or without the anti-
entrapmen tfeatur e(Ypage 94). Mirrors
Problem Possible cause/consequence Suggeste
dsolutions An exterior mirro
rhas been
pushe doutof position. Vehicle
swithe xterior mirrors tha tcann ot be folde din/out electri-
cally:
X Push the mirro rinto the correc tposit ionm anually.
Vehicle swithe lectricall yfolding exterior mirrors*:
X Press the mirror-folding button* ( Ypage 80) repeatedly unti lyou
hear adistinct click.
Th em irro rh ousin gisengaged agai nand yo ucan adjus tthe mirror
as usua l(Y page 80). Practical advice
*optional
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Troubleshooting
251Key
Problem Possible cause/consequence Suggeste
dsolutions Yo
uc annot lock or unlock the
vehicl eusing the key. Th
ek ey batteries ar edischarged
or nearl ydischarged. X
To do this, point the tip of the key at the driver's door handl efrom
close range and try to unlock or lock the vehicl eagain.
If thi sdoesn ot work:
X Loc koru nlock the vehicl eusing the emergency key element
(Y page 255).
X Check the key batteries (Y page 259) and replace themifneces-
sary (Y page 259). Th
ek ey is faulty. X
Loc koru nlock the vehicl eusing the emergency key element
(Y page 255).
X Have the key checked at aqualified specialis tworkshop. Th
eb attery charge indicator lamp
of the key does not go on during
the test. Th
ek ey batteries ar edischarged. X
Chang ethe batteries (Y page 259). Yo
uh avel ostak ey. X
Have the key cancelle dataMercedes-Benz Service Centre.
X Report the loss immediatel ytothe vehicl einsurers.
X If necessary ,havet he manua lloc ks change dtoo. Yo
uh avel os tthe emergency key
element. X
Report the loss immediatel ytothe vehicl einsurers.
X If necessary ,havet he manua lloc ks change dtoo. Practical advice
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Troubleshooting
252 Problem Possible cause/consequence Suggeste
dsolutions Th
ek ey cannot be turned in the
ignition lock. Th
ek ey ha sbeeninp osition0for
ac onsiderabl etime. X
Remov ethe key and reinsert it into the ignition lock.
X Check the starter battery and recharge it if necessary
(Y page 276).
X Star tthe engine. Th
eo n-board voltag eistoo low. X
Switch off non-essentia lconsumers ,e.g.s ea th eating* or interior
lighting ,and try to tur nthe key again.
If thi sdoesn ot work:
X Check the starter battery and recharge it if necessary
(Y page 276).
or
X Jump-start the vehicl e(Ypage 279).
or
X Consult aqualified specialis tworkshop. Practical advice
*optional
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Troubleshooting
253KEYLES
SGO* Problem Possible cause/consequence Suggeste
dsolutions Yo
uc annot lock or unlock the
vehicl eusing the KEYLESS GO
key. Th
eK EYLESS GO key batteries
ar ed ischarge dornearlydis-
charged. X
Loc koru nlock the vehicl eusing the remote control functio nofthe
key .Todot his, point the tip of the key at the driver's door handle
fro mc lose range and try to unlock or lock the vehicl eagain.
If thi sdoesn ot work:
X Loc koru nlock the vehicl eusing the emergency key element
(Y page 255).
X Check the KEYLESS GO key batteries (Y page 259) and replace
the mifn ecessary (Y page 259). There is
afault with KEYLESS GO. X
Loc koru nlock the vehicl eusing the remote control functio nofthe
key .Todot his, point the tip of the key at the driver's door handle
fro mc lose range and try to open the vehicl eagain.
X Have the KEYLESS GO key checked at aqualified specialis twork-
shop. There is interferenc
efromap ow-
erful source of radi owaves. X
Loc koru nlock the vehicl eusing the emergency key element
(Y page 255). Th
eb attery check lamp in the
KEYLESS GO key does not light
up when tested. Th
eK EYLESS GO key batteries
ar ed ischarged. X
Chang ethe batteries (Y page 259). Practical advice
*o ptional
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