run flat MERCEDES-BENZ CLS 2014 Owners Manual

Refrigerant .....................................378
Refrigerant filling capacity.............379
Setting the airdistribution.............138
Setting the airflow.........................139
Setting the airvents......................142
Setting the climate mode (AIR
FLOW)............................................137
Setting the temperature................138
Setting the temperature with 3-
zone automatic climate control.....138
Setting the temperature with dual-
zone automatic climate control.....138
Switching air-recirculation mode
on/off............................................141
Switching on/off...........................135
Switching residualheaton/off......141
Switching the rear window
defroster on/off............................140
Switching the ZONE function on/
off..................................................139
Cockpit
Overview..........................................30
see Instrument cluster
Collapsiblespare wheel
Inflating.........................................368
see Emergency spare wheel
COMAND
see separate operating instructions
COMAND display
Cleaning ......................................... 315
Combination switch..........................119
Compass
Calibrating.....................................303
Calling up ....................................... 302
Setting...........................................302
Consumptionstatistics(on-board
computer)..........................................222
Convenience closing feature..............90
Convenience opening feature............89
Coolant(engine)
Checkingthe level.........................308
Display message............................248
Filling capacity...............................377
Important safety notes..................377
Temperature (on-board computer).234
Temperature gauge ........................ 219
Warning lamp ................................. 273
Cooling
see Climate control
Copyright.............................................27
Corneringlight function
Display message............................245
Function/notes.............................121
Crash-responsive emergency
lighting...............................................124
Cruisecontrol
Activation conditions.....................176
Cruise control lever.......................176
Deactivating ................................... 177
Display message............................257
Driving system...............................175
Function/notes.............................175
Important safety notes..................175
Settingaspeed .............................. 177
Storing and maintaining current
speed ............................................. 176
Cup holder
Centerconsole..............................284
Center console in the rear
compartment.................................285
Important safety notes..................284
Rearcompartment.........................285
Customer AssistanceCenter (CAC)...26
Customer Relations Department.......26
D
Data
see Technical data
Daytime runninglamps
Display message............................247
Function/notes.............................117
Switching on/off (on-board
computer)......................................230
Declarations of conformity................. 25
Delayedswitch-off
Exteriorlighting (on-board
computer)......................................231
Interior lighting..............................232
Diagnosticsconnection......................25
Digital speedometer.........................223
DIRECT SELECTlever
see Automatic transmission
Index7

ESP®(Electronic Stability
Program)
AMGmenu(on-board computer)...234
Deactivating/activating (AMG
vehicles)..........................................70
Deactivating/activating (except
AMG vehicles)................................227
Deactivating/activating (notes;
except AMG vehicles)......................69
Display message............................238
ETS/4ETS........................................69
Function/notes ................................ 68
Important safety information...........68
Warning lamp ................................. 269
ETS/4ETS (Electronic Traction
System)................................................69
Exhaustcheck...................................170
Exhaustpipe (cleaning
instructions)......................................315
Exterior lighting
Setting options..............................116
see Lights
Exterior mirrors
Adjusting.......................................109
Dipping (automatic).......................111
Folding in/out(automatically).......110
Folding in/out(electrically)...........110
Folding in whenlocking(on-board
computer)......................................233
Out of position (troubleshooting)...110
Setting...........................................110
Storing settings (memory
function)........................................112
Storing the parking position..........111
Eyeglasses compartment.................279
F
Fillercap
see Fuel filler flap
First-aid kit......................................... 320
Flat tire
MOExtended tires..........................321
Preparing the vehicle.....................321
Floormat.............................................303
Fuel
Additives........................................375
Consumption statistics..................222
Displaying the current
consumption..................................223
Displaying the range......................223
Driving tips....................................170
Fuel gauge...............................31, 219
Grade (gasoline)............................374
Important safety notes..................374
Premium-grade unleadedgasoline.374
Problem (malfunction)...................167
Refueling ........................................ 164
Tank content/reserve fuel.............374
Fuelfiller flap
Emergency release........................166
Opening/closing............................165
Fuellevel
Calling up the range (on-board
computer)......................................223
Fueltank
Capacity........................................374
Problem (malfunction)...................167
Fuse allocationchart (vehicle tool
kit)......................................................320
Fuses
Allocation chart.............................331
Before changing.............................331
Fuse box in the engine
compartment.................................332
Fuse box in the trunk.....................332
Important safety notes..................331
G
Garage door opener
Clearing the memory.....................301
Important safety notes..................299
Opening/closing the garage door..301
Programming (button in the rear-
view mirror)...................................299
Gear indicator (on-board
computer)..........................................234
Genuine................................................22
Glove box...........................................279
H
Hazard warning lamps......................120
Head bags
Display message............................242
10Index

Characteristics..............................354
Checking ........................................ 335
Definition of terms.........................354
Direction of rotation......................357
Display message............................258
Distributionofthe vehicle
occupants (definition)....................357
DOT, Tire Identification Number
(TIN) ...............................................354
DOT (Department of
Transportation) (definition)............355
GAWR (Gross Axle Weight Rating)
(definition).....................................355
GVW (Gross Vehicle Weight)
(definition).....................................355
GVWR(Gross Vehicle Weight
Rating) (definition).........................355
Important safety notes..................334
Increasedvehicle weight due to
optional equipment (definition)......355
Kilopascal (kPa)(definition)...........355
Labeling (overview)........................351
Load bearing index (definition)......356
Load index.....................................353
Load index (definition)...................355
Maximum loaded vehicle weight
(definition).....................................355
Maximum loadonatire
(definition).....................................356
Maximum permissible tire
pressure (definition) ....................... 356
Maximum tire load.........................353
Maximum tire load(definition).......356
MOExtended tires..........................336
Optional equipment weight
(definition).....................................356
PSI (pounds per square inch)
(definition).....................................356
Replacing.......................................357
Service life.....................................336
Sidewall (definition).......................356
Speed rating (definition)................355
Storing...........................................357
Structure and characteristics
(definition).....................................354
Temperature..................................350
TIN (Tire Identification Number)
(definition).....................................356
Tire bead(definition)......................356
Tire pressure (definition)................356
Tire pressures(recommended)......355
Tire size (data)...............................362
Tire size designation, load-bearing
capacity, speedrating .................... 351
Tire tread.......................................335
Tire tread (definition).....................356
Total loadlimit (definition).............357
Traction.........................................350
Traction (definition).......................356
Treadwear.....................................350
Uniform Tire Quality Grading
Standards......................................349
Uniform Tire Quality Grading
Standards(definition)....................355
Unladen weight (definition)............356
Wearindicator(definition).............356
Wheelrim (definition)....................355
see Flat tire
Top Tether............................................64
Towing
Important safety guidelines...........328
Installing the towing eye................329
Removing the towing eye...............330
With the rear axle raised................330
Towing away
With both axlesonthe ground.......330
Tow-starting
Emergency engine starting............331
Important safety notes..................328
Transmission
see Automatic transmission
Transmission position display.........156
Transmission position display
(DIRECT SELECTlever)......................156
Transporting the vehicle..................330
Trim pieces (cleaning instructions).316
Trip computer (on-board
computer)..........................................222
Trip odometer
Calling up ....................................... 222
Resetting (on-board computer)......223
Trunk
Emergency release..........................87
Important safety notes....................84
Opening/closing (automatically
from inside) ...................................... 86
18Index

distracted from traffic conditions. You could
also lose control of the vehicle. There isarisk
of an accident.
Only operate this equipment when the vehicle
is stationary.
Observe the legal requirements for the
country in which you are driving.Some
jurisdictionsprohibit the driver from using a
mobile phone while drivingavehicle.
If you makeacall while driving,alwaysuse
hands-free mode. Only operate the telephone
when the traffic situation permits. If you are
unsure, pull over toasafe location and stop
before operatingthe telephone.
Bear in mind that ataspeed of only 30 mph
(approximately 50 km/h) the vehicle covers
adistanceof44ft(approximately 14 m) per
second.
Drive sensibly–save fuel
Observe the following tips to save fuel:
XThe tires should always be inflated to the
recommended tire pressure.
XRemove unnecessary loads.
XRemove roof racks whenthey are not
needed.
XWarm up the engine at low engine speeds.
XAvoid frequent acceleration or braking.
XHave all maintenancework carried out as
indicated by the service intervals in the
MaintenanceBooklet or by the service
interval display.
Fuel consumption also increases when
driving in cold weather, in stop-start traffic
and in hilly terrain.
Drinking and driving
GWARNING
Drinking and driving and/or taking drugs and
driving are very dangerous combinations.
Evenasmall amount of alcohol or drugs can
affect your reflexes, perceptions and
judgment.
The possibility ofaserious or even fatal
accident are greatly increased when you drink
or take drugs and drive.
Do not drink or take drugs and drive or allow
anyone to drive who has been drinking or
taking drugs.
Emission control
GWARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There
isarisk of fatal injury. Therefore never leave
the engine running in enclosed spaces
without sufficient ventilation.
Certain engine systems are designed to keep
the level of poisonous components in exhaust
fumes within legal limits.
These systems only work at peak efficiency if
they are serviced exactly in accordance with
the manufacturer's specifications. For this
reason, only have work on the engine carried
out by qualified and authorized Mercedes-
Benz technicians.
The engine settings must not be changed
under any circumstances. Furthermore, all
specific service work must be carried out at
regular intervals and in accordance with the
Mercedes-Benzservice requirements. Details
can be found in the Maintenance Booklet.
ECO display
Example: ECO display
The ECO display gives you information on how
economical your driving style is. The ECO
display assists you in achieving the optimum
170Driving tips
Driving and parking

Tires
Display messagesPossible causes/consequencesandSolutions
Check
TirePressure Soon
The tire pressure loss warningsystem has detectedasignificant
lossinpressure.
Awarning tone also sounds.
GWARNING
Withtirepressureswhichare toolow, there isariskofthe
following hazards:
Rthey may burst, especiallyasthe load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There isarisk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditionsasyou do so.
XSecure the vehicle against rolling away (Ypage 167).
XCheck the tires and, if necessary, follow the instructions for a
flat tire (Ypage 321).
XCheck the tire pressures and, if necessary, correct the tire
pressure.
XRestart the tire pressure loss warning system when the tire
pressure is correct (Ypage 342).
CheckTirePressure
Then Restart Run
Flat Indicator
The tire pressure loss warning system generatedadisplay
message and has not been restarted since.
XSet the correct tire pressure in all four tires.
XRestart the tire pressure loss warning system (Ypage 342).
Run Flat Indicator
Inoperative
The tire pressure loss warning system is faulty.
XVisitaqualified specialist workshop.
Rectify
Tire Pressure
The tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
XCheck the tire pressures at the next opportunity (Ypage 342).
XIf necessary, correct the tire pressure.
XRestart the tire pressure monitor (Ypage 345).
258Display messages
On-board computer and displays

Alignment bolt
%Sheet for faulty wheel
Tire inflation compressor
Lugwrench
Fuseallocation chart
XOpenthe trunk lid.
XLift the trunk floor upwards (Ypage 283).
Flat tire
Preparing the vehicle
Your vehicle may be equipped with:
RMOExtended tires (tires with run-flat
properties) (Ypage 321)
Vehicle preparation is not necessary on
vehicles with MOExtended tires.
Ran emergency spare wheel(Ypage 367)
Information on changing/mountingawheel
(Ypage 357).
XStop the vehicle on solid, non-slippery and
level ground, as far away as possible from
traffic.
XSwitch on the hazard warning lamps.
XSecure the vehicle against rolling away
(Ypage 167).
XIf possible, bring the front wheels into the
straight-ahead position.
XVehicles with AIRMATIC: make sure that
"normal" level is selected (Ypage 189).
XSwitch off the engine.
XVehicles without KEYLESS-GO:remove
the SmartKey from the ignition lock.
XVehicles with KEYLESS-GO:open the
driver's door.
The on-board electronicsnow have status
0.This is the same as the SmartKey having
been removed.
XVehicles with KEYLESS-GO:remove the
Start/Stop button from the ignition lock
(Ypage 147).
XAll occupants must get out of the vehicle.
Make sure that they are not endangered as
they do so.
XMake sure that no one is near the danger
area whileawheel is being changed.
Anyone who is not directly assisting in the
wheel change should, for example, stand
behind the barrier.
XGet out of the vehicle. Pay attention to
traffic conditionswhen doing so.
XClose the driver's door.
MOExtended tires (tires with run-flat
properties)
General notes
With MOExtended tires (tires with run flat
characteristics), you can continue to drive
your vehicle even if there isatotal loss of
pressure in one or more tires. The affected
tire must not show any clearly visible damage.
You can recognizeMOExtended tires by the
MOExtended marking which appears on the
sidewall of the tire. You will find this marking
next to the tire size designation, the load-
bearing capacity and the speed index
(Ypage 351).
MOExtended tires may only be used in
conjunction with an active tire pressure loss
warning system or with an active tire pressure
monitor.
If the pressureloss warning message
appearsinthe multifunction display:
RObserve the instructions in the display
messages (Ypage 258).
RCheck the tire for damage.
RIf driving on, observe the following notes.
The maximum driving distance is
approximately 50 miles (80 km) when the
vehicle is partially laden and approximately
18 miles (30 km) when the vehicle is fully
laden.
Flat tire321
Breakdown assistance

In addition to the vehicle load, the driving
distance possible depends upon:
RSpeed
RRoadcondition
ROutside temperature
The driving distance possible in run-flat mode
may be reduced by extreme driving
conditions/maneuvers, or it can be increased
throughamoderate style of driving.
The maximum permissible distance which
can be driven in run-flat mode is counted from
the moment the tire pressure loss warning
appears in the multifunction display.
You must not exceedamaximum speed of
50 mph (80 km/h).
iWhen replacing one or all tires, make sure
that you use only tires:
Rof the size specified for the vehicle and
Rmarked "MOExtended"
Ifatire has gone flat and cannot be
replaced withaMOExtended tire, a
standard tire may be used asatemporary
measure. Make sure that you use the
proper size and type (summerorwinter
tire).
Important safety notes
GWARNING
When drivinginemergencymode, the driving
characteristics deteriorate, e.g. when
cornering, accelerating quickly and when
braking. There isarisk of an accident.
Do not exceed the stated maximum speed.
Avoid abrupt steeringand drivingmaneuvers,
and drivingover obstacles (curbs, potholes,
off-road). This applies in particular toaladen
vehicle.
Stop drivinginemergencymode if:
Ryou hear bangingnoises.
Rthe vehicle starts to shake.
Ryou see smokeand smell rubber.
RESP®is interveningconstantly.
Rthere are tearsinthe sidewalls of the tire.
After drivinginemergency mode, have the
wheel rims checked ataqualified specialist
workshop with regardtotheir further use. The
defectivetiremust be replaced in everycase.
Battery (vehicle)
Important safety notes
Special tools and expert knowledge are
requiredwhen working on the battery, e.g.
removal and installing. You should therefore
have all work involvingthe battery carried out
ataqualified specialist workshop.
GWARNING
Work carried out incorrectly on the battery
can lead, for example, toashortcircuit and
thus damage the vehicle electronics. This can
lead to function restrictionsapplying to
safety-relevantsystems,e.g.thelighting
system, ABS(anti-lockbrakingsystem) or
ESP®(Electronic StabilityProgram). The
operating safetyofyour vehiclemay be
restricted. You could lose control of the
vehicle, for example:
Rbraking
Rin theevent of abruptsteeringmaneuver
and/orwhen the vehicle's speed is not
adapted to the road conditions
There isarisk of an accident.
In the event ofashort circuit orasimilar
incident, contactaqualified specialist
workshop immediately. Do not drive any
further. You should have all work involving the
battery carried out ataqualifiedspecialist
workshop.
GWARNING
Electrostatic build-up can lead to thecreation
of sparks,whichcould ignite thehighly
explosive gases ofabattery. Thereisariskof
an explosion.
322Battery (vehicle)
Breakdown assistance

The fuses are located in various fuse boxes:
RFuse box in the engine compartment on the
left-hand side of the vehicle, when viewed
in the direction of travel
Rfuse box in the trunk on the right-hand side,
when viewed in the direction of travel
the fuse allocation chart is located in the
vehicle tool kit in the stowage compartment
under the trunk floor (Ypage 320).
Fuse box in the engine compartment
GWARNING
When the hood is open and the windshield
wipers are set in motion,you can be injured
by the wiper linkage. There isarisk of injury.
Always switch off the windshield wipers and
the ignition before opening the hood.
!Make sure that no moisture can enter the
fuse box when the cover is open.
!When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses.
XMake sure that the windshield wipers are
turned off.
XOpen the hood.
XUseadry cloth to remove any moisture
from the fuse box.
XTo open:remove linesfrom the guides.
XMove linesaside. Route the lines behind
connection$to do this.
XOpen clamp.
XRemove the fuse box cover forwards.
XTo close:check whether the rubber seal is
lying correctly in the cover.
XInsert the cover at the rear of the fuse box
into the retainer.
XFold down cover and close clamps.
XSecure linesin the guides.
XClose the hood.
Fuse box in the trunk
!Make sure that no moisture can enter the
fuse box when the cover is open.
!When closing the cover, make sure that it
is lying correctly on the fuse box. Moisture
seeping in or dirt could otherwise impair
the operation of the fuses.
XOpen the trunk lid.
XTo open:release coverat the top right
and left-hand sides withaflat object.
XOpen coverdownwards in the direction
of the arrow.
332Fuses
Breakdown assistance

Useful information
iThis Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please notethat your vehicle may
not be equipped with all features
described. This also applies to safety-
related systemsand functions.
iRead the information on qualified
specialist workshops: (Ypage 26).
Important safetynotes
GWARNING
If wheels and tires of the wrong size are used,
the wheel brakes or suspension components
may be damaged. There isarisk of an
accident.
Always replacewheels and tires with those
that fulfill the specifications of the original
part.
When replacing wheels, make sure to use the
correct:
Rdesignation
Rmodel
When replacing tires, make sure to use the
correct:
Rdesignation
Rmanufacturer
Rmodel
GWARNING
Aflat tireseverely impairs the driving,
steeringand braking characteristics of the
vehicle. There isarisk of accident.
Tires without run-flat characteristics:
Rdo not drive withaflat tire.
Rimmediately replacethe flat tirewith your
emergencyspare wheel or spare wheel, or
consultaqualified specialist workshop.
Tires with run-flat characteristics:
Rpay attention to the information and
warningnotices on MOExtended tires (tires
with run-flat characteristics).
Accessories that are not approved for your
vehicle by Mercedes-Benzorthat are not
being used correctly can impair the operating
safety.
Before purchasing and using non-approved
accessories, visitaqualified specialist
workshop and inquire about:
Rsuitability
Rlegal stipulations
Rfactory recommendations
Information on the dimensions and types of
wheels and tires for your vehicle can be found
in the "Wheel/tire combinations" section
(Ypage 362).
Information on air pressure for the tires on
your vehicle can be found:
Ron the vehicle's Tire and Loading
Information placard on the B-pillar
(Ypage 345)
Ron the tire pressure label on the fuel filler
flap (Ypage 165)
Runder "Tire pressure" (Ypage 338)
Operation
Information on driving
If the vehicle is heavily loaded, check the tire
pressures and correct them if necessary.
While driving, pay attention to vibrations,
noises and unusual handling characteristics,
e.g. pulling to one side. This may indicate that
the wheels or tires are damaged. If you
suspect thatatire is defective, reduce your
speed immediately. Stop the vehicle as soon
as possible to check the wheels and tires for
damage. Hidden tire damage could also be
causing the unusual handling characteristics.
If you find no signs of damage, have the tires
334Operation
Wheels and tires

Bar indicatorfor treadwearisintegrated
into the tire tread.
Treadwear indicators(TWI) are required by
law. Six indicatorsare positioned on the tire
tread. Theyare visible once the treaddepth
is approximatelyin (1.6 mm). If this is the
case,the tire is so worn that it mustbe
replaced.
Selecting, mounting and replacing
tires
ROnly mount tires and wheels of the same
type and make.
Exception: it is permissible to install a
different type or make in the event ofaflat
tire. Observe the "MOExtended tires (tires
with run-flat characteristics" section
(Ypage321).
ROnly mount tires of the correct size onto
the wheels.
RBreak in new tires at moderate speeds for
the first 60 miles(100 km).They only reach
their full performance after this distance.
RDo not drive with tires which have too little
tread depth, as this significantly reduces
the traction on wet roads (hydroplaning).
RReplace the tires after six years at the
latest, regardless of wear.
Observe the notes on the emergency spare
wheel (Ypage 367).
MOExtended tires (tires with run-flat
properties)
With MOExtended tires (tires with run flat
characteristics), you can continue to drive
your vehicle even if there isatotal loss of
pressure in one or more tires.
MOExtended tires may only be used in
conjunction with an active tire pressure loss
warning system or with an active tire pressure
monitor and on wheels specifically tested by
Mercedes-Benz.
Notes on driving with MOExtended tires with
aflat tire (Ypage 321).
iVehicles equipped with MOExtended tires
are not equipped withaTIREFIT kit at the
factory. It is therefore recommended that
you additionallyequip your vehicle with a
TIREFIT kit if you mount tires that do not
feature run-flat properties, e.g. winter tires.
ATIREFIT kit can be obtained from a
qualified specialist workshop.
Winter operation
General notes
Have your vehicle winterproofed ataqualified
specialist workshop at the onset of winter.
Observe the notes in the "Changingawheel"
section (Ypage 357).
Driving with summer tires
At temperatures below 45‡(+7 †), summer
tires lose elasticity significantly,and
therefore traction and braking power as well.
Change the tires on yourvehicle to
M+S tires. Using summer tires at very cold
temperatures could cause crackstoform,
thereby damaging the tires permanently.
Mercedes-Benz cannot accept responsibility
for this type of damage.
M+S tires
GWARNING
M+S tires withatiretread depthofless than
in (4 mm)are notsuitable for use in winter
and do notprovide sufficient traction.There
isariskofanaccident.
M+S tires withatread depthofless than
in (4 mm)must be replacedimmediately.
At temperatures below 45‡(+7 †), use
winter tires or all-weather tires. Both typesof
tireare identified by theM+S marking.
336Winteroperation
Wheels and tires