2018 MERCEDES-BENZ CLA COUPE octane

death or serious bodily injury if the vehicle is
driven,that defect or malfunction has been
subjec ttorepair two or more times, and you
have directly notified Mercedes-Benz USA,
LLC in writin gofthe need for its repair.
(2) the same substantial defect or malfunction ofaless serious natur ethan category (1)
has been subjec ttorepair four or more
times and you have directly notified
Mercedes-Benz in writin gofthe need for its
repair.
(3) the vehicle is out of servicebyr eason of
repair of the same or differents ubstantial
defectsorm alfunctionsfor ac umulative
total of more than 30 calendar days.
Please send your written notice to:
Customer Assistance Center
Mercedes-Benz USA,L LC
3M ercedes Drive
Montvale, NJ 07645-0350
Maintenance
Always bring the Maintenance Booklet with you when takin gthe vehicle to an authorized
Mercedes-Benz Center .Your customer service
advisor will enter every servicei ntoy our Main-
tenance Booklet on your behalf.
Roadside Assistance
The Mercedes-Benz Roadside Assistance Pro-
gram offerst echnical help in the event of a
breakdown .Calls to the toll-free Roadside Assis-
tanc eHotline are answered by our agent s24
hours aday, 365 days ayear.
1-800-FOR-MERCedes (1-800-367-6372)
(USA)
1-800-387-0100 (Canada)
For additional information ,refer to the
Mercedes-Benz Roadside Assistance Program
brochure( USA)orthe "Roadside Assistance"
section in the Service and Warrant yBooklet
(Canada). You will find both in the vehicle docu-
ment wallet.
Change of address or change of own-
ership
In the event of achang eofa ddress, please send
us the "Notification of Addres sChange" in the
Service and Warrant yBooklet or simply call the
Mercedes-Benz Customer Assistance Center
(USA )atthe hotlin enumber
1-800-FOR-MERCedes (1-800-367-6372) or
Customer Service Center (Canada) at
1-800-387-0100 .This will assist us in contact-
ing you in atimely manner should the need arise.
If you sell your Mercedes,p lease leave all liter-
ature in the vehicle so that it is available to the
nex towner.
If you have purchased aused car, please send us
the "Notification of Used Car Purchase" in the
Service and Warrant yBooklet or simply call the
Mercedes-Benz Customer Assistance Center
(USA )atthe hotlin enumber
1-800-FOR-MERCedes (1-800-367-6372) or
Customer Service (Canada) at 1-800-387-0100.
Vehicle operation outsid ethe USA
and Canada
When you are abroad with your vehicle, observe
the following points:
RService facilities or replacementp arts may
not be readily available.
RLead-free fuel for vehicles with acatalytic
converter may not be available. Leaded fuel
can cause damage to the catalytic converter.
RThe fuel may have aconsiderably lower
octane number. Unsuitable fuel can cause
engin edamage.
Some Mercedes-Benz models are available for
delivery in Europe through our European Deliv-
ery Program. For details, consult an authorized
Mercedes-Benz Center or write to one of the
following addresses.
In the USA
Mercedes-Benz USA,L LC
European Deliver yDepartment
One Mercedes Drive
Montvale, NJ 07645-0350
In Canada
Mercedes-Benz Canada, Inc.
European Deliver yDepartment
98 Vanderhoof Avenue
Toronto, Ontario M4G 4C9
26Service and vehicle operation
Introduction

Do not mix such fuelswitht he fuel recom-
mended for your vehicle.
!To ensur ethe longevity and full perform-
ance of the engine ,onlyp remium-grade
unleade dgasoline must be used.
If standard unleade dgasoline is unavailable
and yo uhavetor efuelwithu nleade dgasoline
of alower grade ,observe the following pre-
cautions:
ROnlyf illt he fuel tank to half full with regular
unleade dgasoline and fil lthe res twithp re-
mium-grad eunleade dgasoline as soo nas
possible.
RDo not drive at the maximum speed.
RAvoi dsudde nacceleratio nand engine
speeds ove r3,000 rpm.
Yo uw illu sually find informatio nabout the fuel
grade on the fuel pump. If yo ucanno tfind the
labe lont he fuel pump, as kthe gass tationstaff.
iFor furtheri nformation, consul taqualified
specialis tworkshop or visit
http://www.mbusa.com (USA only).
CL A2 50,CLA 250S port, CL A2504MATIC,
CL A2 50Sport 4MATIC: asatemporary meas-
ure, if the recommende dfuelisn ot available,
yo um ayalso us eregular unleade dgasoline with
an octane rating of 88 AKI /93 RON.
All othe rmodels: asatemporary measure, if
the recommende dfuelisn otava
ilable, yo
umay
also us eregular unleade dgasoline with an
octane rating of 87 AKI/91 RON. Thi smay
reduce engine performance and increase fuel
consumption. Avoi ddrivin gatf ullt hrottle and
sudden acceleration. Never refue lusing gaso-
line with alower AKI.
Informatio nonrefueling (
Ypage 139).
Additives
!Operating the engine with fuel additives
adde dlater can lead to engine failure. Do not
mix fuel additive swithf uel. Thisd oesn ot
includ eaddit ivesfor the remova land preven-
tio nofr esidue buildup. gasoline must onl ybe
mixed with additive srecommende dby
Mercedes-Benz. Compl ywitht he instructions
for us eonthe product label. Mor einformation
abou trecommende daddit ivesc an be
obtained froma ny authorizedMercedes-Benz
Center.
Mercedes-Benz recommends thaty ouuseb ran-
de df uels thath avea ddit ives. The fuel quality availabl
einsomecountries may
not be sufficient. Residu ecould buil dupinthe
fuel injectio nsystem as aresult. In such cases,
and in consultation with an authorized
Mercedes-Benz Center, the fuel maybem ixed
with the cleaning additive recommende dby
Mercedes-Benz. Yo umusto bserve the notes
and mi
xing ratio sspecifie dont he container.
Engine oil
General notes
!Do not us eengine oi lorano ilfilter with
specifications deviating fromt hoseexpressly
required for the prescribe dservic eintervals.
Do not change the engine oi loroilfilter in
order to set replacement intervals longe rthan
thos eprescribed. Thi scould otherwis ecause
damage to the engine or exhaust gasa fter-
treatment.
Follo wthe instructions on the servic einterval
displa yfor changing the engine oil. Thi scould
otherwis ecause damage to the engine or
exhaust gasa ftertreatment.
When handling engine oil, observe the important
safety note sonserviceproducts (
Ypage 315).
The engine oils ar ematchedtot he performance
of Mercedes-Benz engine sand servic eintervals.
Yo us houl dtherefore onl yuseengine oils and oil
filters thata reapproved for vehicles with main-
tenance systems.
For alistofa pproved engine oils and oi lfilters,
consul tanauthorize dMercedes-Benz Center.
Or visit the website
http://bevo.mercedes-benz.co m.
The table shows which engine oils have been
approved for your vehicle.
Service products and filling capacities317
Technical data
Z