2008 MERCEDES-BENZ SL ROADSTER ignition

Displa
ymessages 229Display messages Possible cause/consequence Possible solution
K Vario-roof oper.
Please wait See
Owner'
sManual. Th
eo n-board voltag eistoo low. X
Start the engine. Th
er oo fhas been opene dand closed sev-
eral times in arow .The roo fdrive hasb een
switche doff automaticall yfor safety rea-
sons. Yo
uc an open an dclose the roo fagain after
approximatel yten minutes.
X Switc hoff the ignition an dturnitb acko n.
X Repeat the opening or closing procedure. W To
pupw asherfluid Th
ew ashe rfluid levelint he washer fluid
reservoir ha sdropped belowthe mini-
mum. X
To pupt he washer flui d(Ypage 181). Practical advi
ce
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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
241Accident
Problem Possible cause/consequence Suggeste
dsolutions Fuel is leaking fro
mthe vehicle. G
Ris
koff ire
Th ef uellin eort he fuel tank has
been damaged. Th elea king fuel
create sariskoff ireore xplosion. X
Switch off the ignition immediately.
X Remov ethe ignition key.
Do not restar tthe engine under any circumstances .The leaking fuel
create sariskoff ireore xplosion.
X Consult aqualified specialis tworkshop. Yo
ua reunabl etod etermine the
extent of the damage. X
Consult aqualified specialis tworkshop. Yo
uc annot detect any damage. X
Star tthe engine as normal. Practical advice
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Troubleshooting
243Fuel and fue
ltank Problem Possible cause/consequence Suggeste
dsolutions Fuel is leaking fro
mthe vehicle. G
Ris
kofe xplosion or fire
Th ef uellin eort he fuel tank is
defective. X
Turn the key to position 0in the ignition lock immediatel yand
remove it.
X Do not restar tthe engine under any circumstances.
X Consult aqualified specialis tworkshop. Th
ef uelfiller flap cannot be
opened. Th
ef uelfiller flap is not released. X
Unlock the vehicl e(Ypage 255). Th
eo pening mechanis misjam-
med. X
Consult aqualified specialis tworkshop. Practical advice
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Troubleshooting
244 Engine
Problem Possible cause/consequence Suggeste
dsolutions Th
ee ngine will not start. SBC
®
HOL Disa ctivated. X
Deactivating SBC ®
HOL D(Ypage 137).
X Star tthe engine again. Th
ee ngine will not start. Yo ucan
hear the starter moto roperating. R
There is amalfunctio nint he
engine electronics.
R There is amalfunctio nint he
fuel supply. X
Turn the key back to position 0in the ignition lock befor ethe next
starting attempt.
X Try to start the engine agai n(Ypage 95) .Whend oing so ,remember
tha texcessivel ylon ga nd frequent attempts to start the engine will
drain the battery.
If the engine does not start after several attempts:
X Consult aqualified specialis tworkshop. Th
ee ngine will not start. Yo ucan-
not hear the starter moto roper-
ating. Th
eo n-board voltag eistoo low
because the starter battery is too
weak or discharged. X
Jump-start the vehicl e(Ypage 279).
If the engine does not start despite attempting to jump-star tit:
X Consult aqualified specialis tworkshop. Th
es tarter moto rwasexposed to
at herma lloa dt hatw astoo high. X
Allow the starter moto rtocooldow nfor approximately two
minutes.
X Try to start the engine again.
If the engine still does not start:
X Consult aqualified specialis tworkshop. Practical advice
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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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