2018 MERCEDES-BENZ SL CLASS catalytic converter

have directly notified Mercedes-Ben zU SA,
LLC in writing of the need for its repair.
(2) the same substantial defect or malfunction
of al ess serious nature than category (1)
has been subject to repair four or more
times and you have directly notified
Mercedes-Ben zinw riting of the need for its
repair.
(3) the vehicle is out of service by reason of
repair of the same or different substantial
defects or malfunctions for ac umulative
total of more than 30 calendar days.
Please send your written notice to:
Mercedes-Ben zU SA, LLC
Customer Assistanc eC enter
3M ercedes Drive
Montvale, NJ 07645-0350
Maintenance The Service and Warranty Booklet describes all
the necessary maintenanc ew ork which should
be done at regular intervals.
Always have the Service and Warranty Booklet
with you when you bring the vehicle to an
authorized Mercedes-Ben zC enter. The service
advisor will record every service for you in the
Service and Warranty Booklet.
Roadside Assistance The Mercedes-Ben zR oadside Assistanc eP ro-
gram offers technical help in the event of a
breakdown. Call stot he toll-free Roadside Assis-
tance Hotline are answered by our agents 24
hours ad ay, 365 days ay ear.
1-800-FOR-MERCedes(1-800-367-6372)
(USA)
1-800-387-0100 (Canada)
For additional information, refer to the
Mercedes-Ben zR oadside Assistanc eP rogram
brochure (USA) or the "Roadside Assistance"
section in the Service and Warranty booklet
(Canada). You will find both in your vehicle lit-
erature portfolio. Change of address or change of own-
ership In the event of ac hange of address, please send
us the "Notification of Address Change" in the
Service and Guarantee booklet or simply call the
Mercedes-Ben zC ustomer Assistanc eC enter
(USA) at the hotline number
1-800-FOR-MERCedes(1-800-367-6372) or
Customer Service Center (Canada )a t
1-800-387-0100 .T his will assist us in contact-
ing you in at imely manner should the need arise.
If you sell your Mercedes, please leave the entire
literature in the vehicle so that it is available to
the next owner.
If you have purchased au sed car, please send us
the "Notification of Used Car Purchase" in the
Service and Guarantee booklet or simply call the
Mercedes-Ben zC ustomer Assistanc eC enter
(USA) at the hotline number
1-800-FOR-MERCedes(1-800-367-6372) or
Customer Service (Canada )a t1 -800-387-0100.
Vehicle operation outside the USA
and Canada If you plan to operate your vehicle in foreign
countries, please be aware that: R
service facilities or replacement parts may
not be readily available. R
unleaded fuel for vehicles with ac atalytic
converter may not be available. Leaded fuel
may cause damage to the catalytic converter. R
the fuel may have ac onsiderably lower octane
rating. Unsuitable fuel can cause engine dam-
age.
Some Mercedes-Ben zm odels are available for
delivery in Europe through our European Deliv-
ery Program. For details, consult an authorized
Mercedes-Ben zC enter or write to one of the
following addresses.
In the USA
Mercedes-Ben zU SA, LLC
European Delivery Department
One Mercedes Drive
Montvale, NJ 07645-0350
In Canada
Mercedes-Ben zC anada ,I nc.
European Delivery Department
98 Vanderhoof Avenue
Toronto, Ontario M4G 4C9Service and vehicl eo peration 25
Introduction Z

As soo na st he ignition is switched on, al lt he
indicator lamps in the instrument cluster light
up .F urther informatio nons it uations where an
indicator lamp either fails to go ou ta fte rs tarting
the engine or lights up whil ed riving
( Y
page 204).
If Start/Stop button C ha sn ot ye tb ee n
pressed, thi sc orrespond stot he key being
remove df rom the ignition.X
To switc hont he power supply: press
Start/Stop button C once.
The powe rs uppl yiss wi tched on. Yo uc an now
activate the windshield wipers, for example.
The powe rs uppl yiss wi tched off agai ni f:R
the driver's door is opene da ndR
yo up ress Start/Stop button C twice when
in thi sp ositionX
To switc hont he ignition: press Start/Stop
button C twice.
The ignition is switched on.
If yo up ress Start/Stop button C once when
in thi sp osit ion, the ignition is switched off
again.
Removing the Start/Sto pb uttonYo uc an remove the Start/Stop button from the
ignition lock and start the vehicl easn ormal
using the SmartKey. X
Remove Start/Stop button C from ignition
lock D .
Yo udon ot have to remove the Start/Stop but-
ton from the ignition lock when yo ul eave the
vehicle. Yo us hould, however, always take the
SmartKe yw it hy ou when leaving the vehicle. As
long as the Sma rtKe y isint h
e vehicle:R
the vehicl ec an be started using the Start/
Stop button R
the electrically powered equipment can be
operated
Starting the engine
Important safety notes
G WARNING
If children ar el ef tu nsupervised in the vehicle,
they could: R
operate the vehicle's equipment. Additionally, children could set the vehicl ei n
motion if, for example, they: R
release the parking brake R
shift the automatic transmission ou tofp ar k
position P R
start the engine
There is ar is kofana ccident and injury.
Never leav ec hildren or animals unattended in
the vehicle.
Whe nl eavi ng the vehicle, always take the
SmartKe yw it hy ou and lock the vehicle. This
also applie stom obil ep hones if the "Digital
Ca rK ey in smartphone "f un ctio ni sa ctivated
via the Mercedes me connect we ba pp .
G WARNING
Combustion engine se mi tp oiso nou se xhaust
gases such as carbo nm onoxide. Inhaling
thes ee xhaus tg as es lead stop oiso ning. There
is ar is koff ata li njury .T herefore neve rl eave
the engine running in enclose ds paces with-
ou ts uf ficient ventilation.
G WARNING
Flammabl em at erial si ntroduced through
environmenta li nfluence or by animals can
ignite if in contact with the exhaus ts ys tem or
parts of the engine tha th ea tu p. There is ar isk
of fire.
Carry ou tr egular checks to make sure that
ther ea re no flammabl ef oreig nm at erial si n
the engine compartment or in the exhaust
system.
During ac ol ds tart, the engine runs at higher
speed stoe nabl et he catalytic converter to
reach its operating temperature .T he sound of
the engine ma yc hange during thi st ime.
Automati ct ransmission X
Depres st he brake peda la nd kee pi t
depressed. X
Shift the transmission to position ] .
Transmission positio nd is play ] is shown in
the multifunctio nd is play.Driving 117
Driving an dp arking Z

Problem
Possible causes/consequences and P Solutions
The engine is not running
smoothly and is misfir-
ing. There is am alfunction in the engine electronics or in am echanical
componen toft he engine management system.X
Only depress the accelerator pedal slightly.
Otherwise, non-combusted fuel may get into the catalytic converter
and damage it. X
Have the cause rectified immediately at aq ualified specialist work-
shop.
The coolant temperature
gauge shows av alue
above 248 ‡( 120 †).
The coolant warning
lamp may also be on and
aw arning tone may
sound. The coolant level is too low. The coolant is too hot and the engine is no
longer being cooled sufficiently. X
Stop as soon as possible and allow the engine and the coolant to
cool down. X
Check the coolant level ( Y
page 235). Observe the warning notes
as you do so and add coolant if necessary.
If the coolant level is correct ,t he engine radiator fan may be faulty. The
coolant is too hot and the engine is no longer being cooled sufficiently. X
At coolant temperatures below 248 ‡( 120 †), drive to the nearest
qualified specialist workshop. X
Avoid heavy loads on the engine as you do so, e.g. driving in moun-
tainou st errai na nd stop-and-go traffic.
DYNAMIC SELEC Tb uttonUse the DYNAMIC SELECT button to change the
drive program. Depending on the drive program
selected the following vehicle characteristics
wil lc hange: R
the drive (engine and transmission manage-
ment) R
the suspensio nort he adaptive adjustable
damping (only on vehicles with AMG RIDE
CONTROL sports suspension) R
the sound of the exhaust system (vehicles
with sports exhaust system) R
the steering R
the availability of the ECO start/stop function
Each time you start the engine with the Smart-
Key or the Start/Stop button, drive program C is
activated. For further information about starting
the engine, see ( Y
pag e1 17). X
Press DYNAMIC SELECT button C as many
times as necessary until the desired drive
progra miss elected.
The selected drive progra ma ppears in the
multifunction display. After as hort period of
time, the displa yg oes out and the symbol for
the selected drive progra ma ppears.
In addition, the current drive progra ms ettings
are displayed briefly in the multimedi as ystem
display.
i In af ew countries, the ECO start/stop func-
tion is deactivated at the factory due to the
available fuel grade. In this case, the ECO
start/stop function is not available in anyDYNAMI CS ELEC Tb utton 121
Driving and parking Z

G WARNING
During the charging process ,ab attery produces hydrogen gas. If as hort circui to ccurs or sparks
are created ,t he hydrogen gas can ignite. There is ar isk of an explosion.R
Make sure that the positive terminal of ac onnected battery does not come into contact with
vehicl ep arts.R
Never place metal objects or tools on ab attery.R
It is important that you observe the described order of the battery terminal sw hen connecting
and disconnecting ab attery.R
When jump-starting, make sure that the battery pole sw ith identical polarity are connected.R
It is particularl yi mportant to observe the described order when connecting and disconnecting
the jumper cables. R
Never connect or disconnect the battery terminal sw hile the engine is running.
G WARNING
Ad ischarged battery can freeze at temperatures below freezing point. When jump-starting the
vehicl eorc harging the battery ,g ase sc an escap ef rom the battery .T here is ar isk of an explosion.
Allow the frozen battery to thaw out before charging it or jump-starting.
! Avoid repeated and lengthy starting attempts. Otherwise, the catalytic converter coul db e
damaged by the non-combusted fuel.
If the indicator/warning lamp sdon ot light up at low temperatures, it is very likel yt hat the dis-
charge db attery has frozen. In this case, you may neither charge the battery nor jump-start the
vehicle. The service life of at hawed-out battery may be shorter. The starting characteristics can be
impaired ,p articularl yatl ow temperatures. Have the thawed-out battery checked at aq ualified
specialist workshop.
Do not start the vehicl eu sing ar api dc harging device. If you rv ehicle's battery is discharged, the
engine can be jump-started from another vehicl eorf rom as econd battery using jumper cables.
Observe the following points: R
The battery is not accessible in all vehicles. If the other vehicle's battery is not accessible ,j ump-
start the vehicl eu sing as econd battery or aj ump-starting device.R
You may only jump-start the vehicl ew hen the engine and exhaust system are cold.R
Do not start the engine if the battery is frozen. Let the battery thaw first. R
Only jump-start from batterie sw ith a12Vv oltag er ating.R
Only use jumper cables which have as ufficient cross-section and insulated terminal clamps.R
If the battery is full yd ischarged, leave the battery that is being used to jump-start connected for
af ew minutes before attempting to start. This charge st he battery slightly.R
Make sure that the two vehicles do not touch.
Make sure that: R
The jumper cables are not damaged. R
Bare parts of the terminal clamp do not come into contact with other metal parts while the jumper
cables are connected to the ba ttery.R
The jumper cables cannot come into contact with parts which can move when the engine is
running, such as the V-belt pulley or the fan. X
Secure the vehicl ebya pplying the electric parking brake.X
Shift the transmission to position ] .254
Jump-starting
Breakdown assistance