2008 MERCEDES-BENZ SL ROADSTER check engine

Displa
ymessages 212 Display messages Possible cause/consequence Possible solution
SB
CH SB
CH oldO ff SBC Hol
dhasbeen deactivated. Th evehi-
cl eiss kidding or acondition for activating
SBC HOL Disnol ongerm etwhen the
brak epedal is firml ydepressed. X
Reactivate SBC Hol dlater. SB
CH SB
CS topC anno tbe
activate dSee Own.
Man. Ac
ondition for activating SBC Hol dhas
not been met. Check the conditions for activating SBC Hold
(Y
page 137):
X Clos ethe bonnet.
X Clos ethe driver's door.
X Start the engine.
X Releas ethe parking brake.
X Switc hoff al lconsumer snot required.
SBC HOL Dcanbe reactivate dassoonast he
on-board electrical syste mvoltag eissufficient. SB
CH SB
CH oldi nopera-
tive Se eOwner's
Manual Am
alfunc tion ha soccurred. X
Visi taq ualified specialis tworkshop. SRS Restrain
tsystem
malfunctio nCon-
sult workshop G
Ris
kofi njury
Th er estraint systems ar efaulty. X
Visi taq ualified specialis tworksho pimmedi-
ately. Cruise control
an
dS PEEDTRONIC inoperative Speedtronic an
dcruis econtrol are
unavailable. X
Visi taq ualified specialis tworkshop. Practical advi
ce
230_AKB; 5; 4, en-GB
bjanott,
Version: 2.9.6 2008-04-08T15:09:54+02:00-Seite212 Dateiname: 6515_3089_02_buchblock.pdf; preflight

Displa
ymessages 215Display messages Possible cause/consequence Possible solution
# Th
eb atter yisn ot being charged. Possible
causes ar eatornp oly-V -beltora faulty
alternator.
Bea rinm indt hatthe SBC TM
brak esystem
requires electrical power. X
Stop immediately an dsafel ywhent raffi ccon-
ditions allo wandcheck the poly-V-belt.
X If it has torn: do not driveon. Contact the
nearest qualifie dspecialis tworkshop.
X If it is no tdamaged: have the vehicl echecked
immediately at aqualified specialis tworkshop.
X Observe the additiona lSBC TM
brak esystem
messages in the multi-function display
(Y page 217). # Th
eb atter yw ascharge dwithac harge ror
the engine wa sjump-s tarted. X
Visi taq ualified specialis tworkshop. # Th
eb atter yisf aulty. X
Visi taq ualified specialis tworkshop. Ther
eisaf aultin the electronics. X
Visi taq ualified specialis tworkshop. Practical advi
ce
230_AKB; 5; 4, en-GB
bjanott,
Version: 2.9.6
2008-04-08T15:09:54+02:0
0-Seite215 ZDateiname: 6515_3089_02_buchblock.pdf; preflight

Displa
ymessages 219Display messages Possible cause/consequence Possible solution
D Coolan
tStopc ar,
turn engine off. Th
ec oolant is too hot. X
Stop the vehicle. Pa yattention to the traffic
conditions as yo udoso.
X Switc hoff the engine.
X Make sure ,tha tthe ai rsuppl ytot he radiator
is not blocked, e.g .bys lush.
X Wait until the messag edisappear sbefore
restarting the engine .There is otherwise arisk
of engine damage.
X Observe the coolant temperature gauge.
X If the temperature increases again, visi taquali-
fied specialis tworksho pimmediately. D Coolan
tStopc ar,
turn engine off. Th
ep oly-V -beltmayhave torn. X
Stop the vehicle. Pa yattention to the traffic
conditions as yo udoso.
X Switc hoff the engine.
X Check the poly-V-belt.
X If it has torn: do not driveon. Contact the
nearest qualifie dspecialis tworkshop.
X If it is no tdamaged: do not start the engine
agai nuntil the messag edisappear s. Thereis
otherwise ariskofe ngine damage. Practical advi
ce
230_AKB; 5; 4, en-GB
bjanott,
Version: 2.9.6
2008-04-08T15:09:54+02:0
0-Seite219 ZDateiname: 6515_3089_02_buchblock.pdf; preflight

Displa
ymessages 224 Display messages Possible cause/consequence Possible solution
. Reversin
glamp
left
or
Reversin glamp
right Th
eleft-han dorright-hand reversing lamp
is faulty. X
Replac ethe bulb (Y page 259). . Tail lamp left
Back-u
pbulbon
or
Tail lamp right
Back-u pbulbon Th
eleft-han dorr ight-hand tai llam pis
faulty. X
Visi taq ualified specialis tworkshop. N Clos
ecentr ecom-
partment Th
es towage compartment unde rthe arm-
rest is open. Th einterior motio nsensor*
is inoperative. X
Clos ethe stowage compartment unde rthe
armrest (Y page 162). N Engine oi
llevel
Chec klevel Vehicles with an oi
ldipst ick: the engine oil
leve lhas droppe dtoac ritical level. X
Check the engine oi llevel ( Ypage 178) an dtop
up the engine oi lifnecessary.
X Have the engine checked for leak sifthe engine
oi ln eeds topping up more often tha nusual. N Ad
d1l itre engine
oi lw henn extr efu-
elling Vehicles without an oi
ldipst ick: the
engine oi llevel is too low. X
Check the engine oi llevel ( Ypage 178) an dtop
up the engine oi lifnecessary.
X Have the engine checked for leak sifthe engine
oi ln eeds topping up more often tha nusual. Practical advi
ce
*optional
230_AKB; 5; 4, en-GB
bjanott,
Version: 2.9.6
2008-04-08T15:09:54+02:0
0-Seite224 Dateiname: 6515_3089_02_buchblock.pdf; preflight

Displa
ymessages 225Display messages Possible cause/consequence Possible solution
N Engine oi
llevel
Stop car, turn
engine off. Vehicles without
adipst ick: there is not
enoug hoilin the engine .There isad anger
of engine damage. X
Stop the vehicle. Pa yattention to the traffic
conditions as yo udoso.
X Switc hoff the engine.
X To pupt he engine oi land check the level
(Y page 178). N Engine oi
llevel
Reduce oi llevel Vehicles without an oi
ldipst ick: yo uhave
adde dtoo much engine oil. Ther eisarisk
of damaging the engine or catalytic con-
verter. X
Sipho noff exces sengine oi luntil it is at the
specified level. Observe the lega lrequire-
ments. N Engine oi
llevel
Engine oi llevel
cannot be measured Vehicles without an oi
ldipst ick: the meas-
uring syste misfaulty. X
Visi taq ualified specialis tworkshop. ± Consul
tworkshop One or mor
eelectroni csystems are
unable to delive rinformation to the on-
boar dcomputer .The coolant temperature
gaug eand the re vcounter ma yhave
failed. X
Visi taq ualified specialis tworkshop. H Tyre pressure Cau-
tion tyre defect
G
Ris
kofa ccident
At leas tone tyre is rapidl ydefla ting. The
affected whee lishighlight ed in the tyre
pressure displa yofthe tyre pressure mon-
itor*. X
Stop the vehicl ewithout makin ganysudden
steering or braking manoeuvres. Pa yattention
to the traffi cconditions as yo udoso.
X Repair or change the tyre (Y page 266). Practical advi
ce
*o ptional
230_AKB; 5; 4, en-GB
bjanott,
Version: 2.9.6 2008-04-08T15:09:54+02:00-Seite225 ZDateiname: 6515_3089_02_buchblock.pdf; preflight

Displa
ymessages 226 Display messages Possible cause/consequence Possible solution
H Tyre pressure
Chec
ktyres G
Ris
kofa ccident
Th ep ressur einone or mor etyres has
droppe dsignificantly .The affected wheel
is highlighted in the tyre pressure display
of the tyre pressure monitor*. X
Stop the vehicl ewithout makin ganysudden
steering or braking manoeuvres. Pa yattention
to the traffi cconditions as yo udoso.
X Check the tyres.
X Repair or change the faulty tyre if necessary
(Y page 266).
X Check the tyre pressure an dcorrect it if nec-
essary (Y page 184).
Th ew arning will disappea rautomaticall yafter
yo uh aveb eend rivin gfor afew minutes with
the corrected tyre pressure. H Please correc
tthe
tyre pressure Vehicles with
atyrep ressur emonitor*:
the pressure of at leas tone tyre is too low
or there is asignificant discrepancy
between the tyre pressure softhe individ-
ua lw heels. X
Check the tyre pressure at the next opportunity
an dc orrect it if necessar y(Ypage 184). I Change ke
ybatter-
ies Th
eK EYLESS GO *key batterie saredis-
charged. X
Change the batterie s(Ypage 259). I Ke
yn ot detected Th
eK EYLESS GO *key is not in the vehicle.
If the engine is switche doff,t he vehicle
ca nnol ongerbel ocked centrall yand the
engine cannot be started. X
Stop the vehicle. Pa yattention to the traffic
conditions as yo udoso.
X Look for the KEYLESS GO *key. Practical advice
*optional
230_AKB; 5; 4, en-GB
bjanott,
Version: 2.9.6 2008-04-08T15:09:54+02:00-Seite 226 Dateiname: 6515_3089_02_buchblock.pdf; preflight

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
230_AKB; 5; 4, en-GB
bjanott,
Version: 2.9.6 2008-04-08T15:09:54+02:00-Seite 236 Dateiname: 6515_3089_02_buchblock.pdf; preflight

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
230_AKB; 5; 4, en-GB
bjanott,
Version: 2.9.6
2008-04-08T15:09:54+02:0
0-Seite 237 ZDateiname: 6515_3089_02_buchblock.pdf; preflight