Starting (important safety notes)... 123
Starting problems .......................... 127
Starting the engine with the
SmartKey ....................................... 124
Starting via smartphone ................ 124
Starting with the Start/Sto pbut-
ton ................................................. 124
Switching off .................................. 141
Tow-starting (vehicle )..................... 284
Engine electronics
Problem (malfunction) ................... 127
Engine jump starting
see Jump starting (engine)
Engine oil
Adding ........................................... 259
Additives ........................................ 318
Checking the oill evel ..................... 258
Checking the oill evel using the
dipstick .......................................... 258
Displa ymessage ............................ 206
Filling capacity ............................... 318
Notesa boutoilgrade s................... 317
Notesono illevel/consumption .... 258
Temperature (on-board computer,
Mercedes-AMGv ehicles) ............... 188
Entering an address
see also Digital Operator's Man-
ual.................................................. 229
ESP
®(ElectronicS tability Pro-
gram)
Activating/deactivating (on-
board computer) ............................ 219
AMG menu (on-board computer) ... 188
Characteristics ................................. 65
Deactivating/activating (button
in Mercedes-AMGv ehicles) ............. 66
Deactivating/activating (except
Mercedes‑ AMG vehicles) ................. 65
Deactivating/activating (on-
board computer, except
Mercedes-AMGv ehicles) ............... 185
Displa ymessage ............................ 192
Function/note s................................ 64
Generaln otes .................................. 64
Important safety information ........... 64
Trailer stabilization ........................... 67
Warning lamp ................................. 221 ETS/4ETS (ElectronicT
raction Sys-
tem) ...................................................... 64
Exhaust
see Exhaus tpipe
Exhaustc heck................................... 144
Exhaustp ipe
Cleaning ......................................... 266
Ex terio
r lighting
Cleaning ......................................... 265
see Lights
Exterior mirrors
Adjusting ......................................... 96
Dipping (automatic) ......................... 97
Folding in when locking (on-board
computer) ...................................... 188
Folding in/out (automatically )......... 97
Folding in/out (electrically) ............. 97
Outofp osition (troubleshooting )..... 97
Setting ............................................. 97
Storing settings (memory func-
tion) ................................................. 99
Storing the parking position ............. 98
Eyeglassesc ompartment ................. 238
F
Favorites
Overview ........................................ 231
Filler cap
see Refueling
First-aidk it......................................... 270
Flat tire
MOExtended tire s.......................... 271
Preparing the vehicl e..................... 271
TIREFIT kit ...................................... 272
Floormats ........................................... 256
Frequencies
Mobil ephone ................................. 313
Two-way radio ................................ 313
Fuel
Additives ........................................ 317
Consumption statistics .................. 180
Displaying the current consump-
tion ................................................ 180
Displaying the rang e...................... 180
Driving tip s.................................... 144
E10 ................................................ 316
Fue lgauge ....................................... 33
10Index
Other identifications, for example:
R0W-30
R5W-30
R5W-40
Fuel
Important safety notes
GWARNING
Fuel is highly flammable. If you handle fuel
incorrectly, there is arisk of fire and explo-
sion.
You must avoid fire, open flames, creating
sparks and smoking. Switch off the engine
and, if applicable, the auxiliary heating before refueling.
GWARNING
Fuel is poisonous and hazardous to health.
There is arisk of injury.
You must make sure that fuel does not come into contact with your skin, eyes or clothing
and that it is not swallowed. Do not inhale fuel
vapors. Keep fuel awayf rom children.
If you or others come into contact with fuel,
observe the following:
RWash awayf uel from skin immediately
using soap and water.
RIf fuel comes into contact with your eyes,
immediately rinse them thoroughly with
clean water. Seek medical assistance with-
out delay.
RIf fuel is swallowed, seek medical assis-
tance without delay.Don ot induce vomit-
ing.
RImmediately change out of clothing which
has come into contact with fuel.
Tank capacity
ModelTotal capa- city
CLA 25013.2 US gal(50.0 l)
Allo ther models14.8 US gal
(56.0 l)
ModelOf which
reserve
Mercedes‑AM GvehiclesApprox.
2.1 US gal (8.0 l)
All other modelsApprox.
1.6 US gal (6.0 l)
Gasoline
Fuel grade
!Do not use diesel to refue lvehicles with a
gasoline engine. Do not switch on the ignition
if you accidentally refue lwith the wrong fuel.
Otherwise, the fuel wil lenter the fuel system.
Even smal lamounts of the wrong fuel could
resul tind amage to the fuel system and the
engine. Notify aqualified specialist workshop
and have the fuel tank and fuel lines drained
completely.
!Only refue lusing unleaded premium grade
gasoline with at least 91 AKI/95 RON.
iE10 fuel contains up to 10% bioethanol.
Yourv ehicleisE 10-compatible. You can
refue lyou rv ehicleu sing E10 fuel.
!Only use the fuel recommended. Operating
the vehiclew ith other fuelscan leadtod am-
age to the fuel system, engine and exhaust
system.
!Do not use the following:
RGasoline with more than 10% ethanol
RE100 (100% ethanol)
RGasoline with methanol
RM100 (100% methanol)
RGasoline with metalliferous additives
RDiesel
316Service products and fillingc apacities
Technical data
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