
Anti-dazzle mode (automatic) ........ 120
Folding in when locking (on-board
computer) ...................................... 261
Folding in/out (automatically) ....... 120
Folding in/out (electrically )........... 120
Out of position (troubleshooting) ... 120
Parking position ............................. 121
Resetting ....................................... 120
Storing settings (memory func-
tion) ............................................... 122 F
Fault message see Display messages
Filler cap
see Fuel filler flap
Fire extinguisher ............................... 351
First-aid kit ......................................... 350
Fitting a wheel
Fitting a wheel ............................... 383
Lowering the vehicle ...................... 383
Preparing the vehicle ..................... 380
Raising the vehicle ......................... 381
Removing a wheel .......................... 383
Securing the vehicle against roll-
ing away ........................................ 381
Flat tyre
Changing a wheel/fitting the
spare wheel ................................... 379
MOExtended tyre s......................... 352
Preparing the vehicle ..................... 352
TIREFIT kit ...................................... 353
see Emergency spare wheel
Floormat ............................................. 331
Foglamps
Switching on/of f........................... 127
Foglamps (extended range) .............. 131
Frequencies
Mobile phone ................................. 400
Two-way radio ................................ 400
Front foglamps
Display message ............................ 281
Front-passenger front airbag deac-
tivation
Display message ............................ 278 Front-passenger front airbag deac-
tivation system
Operation ......................................... 52
Problems ......................................... 56
System self-test ............................... 54
Fuel
Additives ........................................ 405
Consumption information .............. 406
Consumption statistics .................. 250
Displaying the current consump-
tion ................................................ 250
Displaying the range ...................... 250
Driving tip s.................................... 196
E10 ................................................ 404
Fuel gaug e....................................... 32
Grade (petrol) ................................ 404
Important safety notes .................. 403
Low outside temperatures ............. 406
Notes for CLA 250 ......................... 405
Notes for Mercedes‑ AMG vehi-
cles ................................................ 404
Problem (malfunction) ................... 191
Quality (diesel )............................... 405
Refuelling ....................................... 188
Tank content/reserve fue l............. 403
Fuel filler flap
Opening ......................................... 189
Fuel filter (white display message) .. 286
Fuel level
Calling up the range (on-board
computer) ...................................... 250
Gauge .............................................. 32
Fuel reserve
see Fuel
Fuel tank
Capacity ........................................ 403
Problem (malfunction) ................... 191
Fuses
Allocation chart ............................. 368
Before changing ............................. 367
Fuse box in the engine compart-
ment .............................................. 367
Fuse box in the front-passenger
footwell .......................................... 368
Important safety notes .................. 367 Index
11

Model Of which
reserve fuel Mercedes-AMG vehi-
cles
Approx. 8.0 l
All other models
Approx. 6.0 l
Petrol
Fuel grade
! Do not use diesel to refuel vehicles with a
petrol engine. Do not switch on the ignition if you accidentally refuel with the wrong
fuel. Otherwise, the fuel will enter the fuel
system. Even small amounts of the wrong
fuel can result in damage to the fuel system
and the engine. Notify a qualified specialist
workshop and have the fuel tank and fuel
lines drained completely.
! Only refuel using unleaded petrol with at
least 95 RON that conforms to the Euro-
pean standard EN 228 or E DIN 51626-1 or
an equivalent specification.
Fuel of this specification may contain up to 10% ethanol. Your vehicle is suitable for use
with E10 fuel. You may refuel your vehicle
using E10 fuel.
Fuel that does not conform to EN 228 or
E DIN 51626–1 can lead to increased wear
as well as damage to the engine and
exhaust system.
i E10 fuel contains up to 10% bioethanol.
Your vehicle is suitable for use with E10
fuel. You may refuel your vehicle using E10
fuel.
! Only use the fuel recommended. Operat-
ing the vehicle with other fuels can lead to
engine failure.
! Do not use the following:
R E85 (petrol with 85% ethanol)
R E100 (100% ethanol)
R M15 (petrol with 15% methanol)
R M30 (petrol with 30% methanol) R
M85 (petrol with 85% methanol)
R M100 (100% methanol)
R Petrol with additives containing metal
R Diesel
Do not mix such fuels with the fuel recom-
mended for your vehicle.
Usually you will find information about the
fuel grade on the pump. If you cannot find the label on the petrol pump, ask the filling sta-
tion staff.
CLA 200, CLA 250, CLA 250 4MATIC: as a
temporary measure, if the recommended fuel
is not available, you may also use regular
unleaded petrol with an octane rating of
93 RON.
All other models: as a temporary measure, if
the recommended fuel is not available, you
may also use regular unleaded petrol with an octane rating of 91 RON. This may reduce
engine performance and increase fuel con-
sumption. Avoid driving at full throttle and
sudden acceleration. Never refuel using fuel
with a lower RON.
i In some countries, the available petrol
may not be sufficiently low in sulphur. This fuel can temporarily produce unpleasant
odours, especially on short journeys. As
soon as sulphur-free fuel (sulphur content
<1 0 ppm) is used for refuelling, the odours
are reduced.
Information on refuelling (Y page 189).
Mercedes-AMG vehicles
! Only refuel using super unleaded petrol
with at least 98 RON, that conforms to the European standard EN 228 or E DIN
51626-1 or an equivalent specification.
You can otherwise impair engine output or
damage the engine.
Fuel of this specification may contain up to 10% ethanol. Your vehicle is suitable for use
with E10 fuel. You may refuel your vehicle
using E10 fuel.
! As a temporary measure, if the recom-
mended fuel is not available, you may also 404
Service products and capacitiesTechnical data

use unleaded petrol with an octane rating
of 95 RON. This may reduce engine per-
formance and increase fuel consumption.
As much as possible, avoid driving at full
throttle.
! As a temporary measure, if the recom-
mended fuel is not available, you may also
use unleaded petrol in emergencies with an
octane rating of 91 RON.
Doing so results in noticeably higher fuel
consumption, and the engine power output is noticeably reduced. Avoid driving at full
throttle.
If no fuel other than petrol with 91 RON or a
lower grade is available, you should have
the vehicle adapted to run on this fuel at a
qualified specialist workshop.
CLA 250 (only for certain countries).
! Only refuel using unleaded, sulphur-free
unleaded petrol with at least 95 RON/
85 MON that conforms to European stand- ard EN 228 or an equivalent specification.
You could otherwise impair engine output
or damage the emission control system.
i In some countries, the available petrol
may not be sufficiently low in sulphur. This
fuel can temporarily produce unpleasant
odours, especially on short journeys. As
soon as sulphur-free fuel (sulphur content
<1 0 ppm) is used for refuelling, the odours
are reduced.
Additives ! Operating the engine with fuel additives
added later can lead to engine failure. Do
not mix fuel additives with fuel. This does
not include additives for the removal and
prevention of residue build-up. Petrol must only be mixed with additives recommended
by Mercedes-Benz. Observe the instruc-
tions for use in the product description.
More information about recommended
additives can be obtained from any
Mercedes-Benz Service Centre. Mercedes-Benz recommends that you use
fuel brands that have additives.
The quality of the fuel available in some coun-
tries may not be sufficient. Residue could
build up in the injection system as a result. In
this case, in consultation with a Mercedes-
Benz Service Centre, the petrol may be mixed with the cleaning additive recommended by
Mercedes-Benz. Always observe the notes
and mixing ratios specified on the container.
Diesel Fuel grade
G
WARNING
If you mix diesel fuel with petrol, the flash
point of this fuel mixture is lower than that of pure diesel fuel. When the engine is running,
components in the exhaust system may over-
heat unnoticed. There is a risk of fire.
Never refuel with petrol. Never add petrol to
diesel fuel.
! When refuelling, only use diesel fuel that
conforms to the European standard EN 590
or is of equivalent quality. Fuel that does
not conform to EN 590 can lead to
increased wear as well as damage to the
engine and exhaust system.
! Do not use the following:
R marine diesel
R heating oil
R bio-diesel
R vegetable oil
R petrol
R paraffin
R kerosene
Do not mix such fuels with diesel fuel and
do not use any special additives. Other-
wise, engine damage may occur.
! Vehicles with diesel particle filters:
in
countries outside the EU, only use low sul-
phur Euro diesel with a sulphur content of Service products and capacities
405Technical data Z

Additives
!
Do not use any additives with the engine
oil. This could damage the engine.
Engine oil viscosity Viscosity describes the flow characteristics
of a fluid. If an engine oil has a high viscosity
rating, it flows slowly; the lower the viscosity,
the faster it flows.
Engine oil selection is based on the respective outside temperatures and in accordance with
the SAE classification (viscosity). The table
shows you which SAE classifications are to be
used. The low-temperature properties of
engine oils can be significantly impaired dur-
ing operation due to, for example, ageing or
soot and fuel accretion. It is therefore
strongly recommended to observe regular oil changes using an approved engine oil with the
appropriate SAE classification. Brake fluid
G
WARNING
The brake fluid continuously absorbs mois-
ture from the air. This results in the boiling
point of the brake fluid lowering. If the boiling
point of the brake fluid is too low, vapour
pockets may form when the brakes are sub-
jected to a heavy load. This would impair brak- ing efficiency. There is a risk of an accident.
Have the brake fluid renewed at the prescri-
bed intervals. When handling brake fluid, observe the
important safety notes on service products
(Y page 402).
The brake fluid change intervals can be found in the Service Booklet.
Only use brake fluid approved by Mercedes-
Benz according to MB-Freigabe or MB-
Approval 331.0.
Information about approved brake fluid can
be obtained at any qualified specialist work-
shop or on the Internet at
http://bevo.mercedes-benz.co m.
i Have the brake fluid regularly replaced at
a qualified specialist workshop and the
replacement confirmed in the Service
Booklet. Coolant
Important safety notes G
WARNING
If antifreeze comes into contact with hot com- ponents in the engine compartment, it may
ignite. There is a risk of fire and injury.
Let the engine cool down before you top up
the antifreeze. Make sure that antifreeze is
not spilled next to the filler neck. Thoroughly
clean the antifreeze from components before
starting the engine.
! Only add coolant that has been premixed
with the desired antifreeze protection. You
could otherwise damage the engine.
Further information on coolants can be
found in the Mercedes-Benz Specifications for Service Products, MB Specifications for Service Products 310.1, e.g. on the Inter-
net at http://bevo.mercedes-benz.com.
Or contact a qualified specialist workshop.
! Always use a suitable coolant mixture,
even in countries where high temperatures prevail. 408
Service products and capacitiesTechnical data