2014 MERCEDES-BENZ CLS fuel cap

Driving tips
AMGceramic brakes.....................173
Automatic transmission.................158
Brakes...........................................172
Break-in period..............................146
Downhill gradient...........................172
Drinking and driving.......................170
Driving abroad...............................116
Driving in winter .............................174
Driving on flooded roads................174
Driving on wet roads......................174
Exhaustcheck...............................170
Fuel ................................................ 170
General..........................................169
Hydroplaning.................................174
Icy road surfaces...........................174
Limited braking efficiency on
salted roads...................................172
Snow chains..................................337
Symmetrical low beam..................116
Wet road surface...........................172
DVD audio
Operating (on-board computer).....225
DVD video
Operating (on-board computer).....226
E
EASY-ENTRY feature
Activating/deactivating.................233
Function/notes.............................108
EASY-EXIT feature
Crash-responsive...........................109
Function/notes.............................108
Switching on/off...........................233
EBD (electronic brake force
distribution)
Display message............................240
Function/notes ................................ 71
ECOdisplay
Function/notes.............................170
On-board computer.......................223
ECOstart/stop function
Automatic engine switch-off..........151
Deactivating/activating.................152
General information.......................151
Important safety notes..................151
Introduction...................................150
Emergency release
Driver's door....................................84
Fuel filler flap.................................166
Trunk...............................................88
Vehicle.............................................84
Emergency spare wheel
Important safety notes..................367
Points to remember.......................367
Removing.......................................368
Storage location............................368
Stowing .......................................... 368
Technical data...............................370
Emergency Tensioning Devices
Function ...........................................59
Safety guidelines.............................41
Emissions control
Service and warranty information....23
Engine
Check Engine warning lamp ........... 273
Display message............................248
ECO start/stop function................150
Engine number............................... 373
Irregularrunning............................154
Jump-starting.................................326
Starting problems..........................154
Starting the engine with the
SmartKey.......................................149
Starting with KEYLESS-GO.............149
Switching off..................................168
Tow-starting (vehicle)..................... 331
Engine electronics
Problem (malfunction)...................154
Engine oil
Adding...........................................308
Additives........................................376
Checking the oil level..................... 307
Checking the oil levelusing the
dipstick..........................................307
Display message............................250
Filling capacity...............................376
Notes about oil grades ................... 375
Notes on oil level/consumption....307
Temperature (on-board computer).234
Viscosity........................................376
Index9

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

Stowagenet ................................... 281
Underdriver'sseat/front-
passenger seat..............................280
Stowage net.......................................281
Stowage space
Center console (rear).....................280
Stowage well beneath the trunk
floor....................................................283
Summer tires.....................................336
Sun visor............................................286
Surround lighting (on-board
computer)..........................................231
Suspensiontuning
AIRMATIC......................................190
AMG adaptive sport suspension
system...........................................191
SETUP (on-board computer)..........234
Switchingair-recirculation mode
on/off.................................................141
Switchingoff the alarm (ATA)............74
T
Tachometer........................................ 219
Tail lamps
Display message............................246
Tank content
Fuel gauge...............................31, 219
Technical data
Capacities......................................373
Emergency spare wheel.................370
Information....................................372
Tires/wheels.................................362
Vehicle data...................................379
TELEAID
Call priority....................................294
Downloading destinations
(COMAND).....................................294
Downloading routes.......................298
Emergency call..............................291
Geo fencing...................................298
Important safety notes..................290
Locatingastolen vehicle...............297
MB info call button........................293
Remote vehicle locking..................296
Roadside Assistance button..........293
Search&Send...............................295
Self-test.........................................291
Speed alert....................................298
System..........................................291
Triggering the vehicle alarm ........... 299
Vehicle remote malfunction
diagnosis.......................................297
Vehicle remote unlocking..............296
Telephone
Acceptingacall.............................226
Display message............................262
Menu (on-board computer)............226
Number from the phone book ........226
Redialing........................................227
Rejecting/endingacall.................226
Temperature
Coolant..........................................219
Coolant (on-board computer) ......... 234
Engine oil (on-board computer) ...... 234
Outside temperature ......................220
Setting (climate control)................138
Theft deterrentsystems
ATA (Anti-Theft Alarm system).........74
Immobilizer......................................73
Through-loading feature...................281
Timing (RACETIMER).........................235
Tire pressure
Calling up (on-board computer).....342
Checking manually........................341
Display message............................258
Maximum.......................................340
Notes.............................................339
Recommended ............................... 338
Tire pressure losswarning system
General notes................................341
Important safety notes..................341
Restarting......................................342
Tire pressure monitoring system
Checking the tire pressure
electronically.................................344
Function/notes.............................342
Restarting......................................345
Warning lamp ................................. 276
Warning message..........................344
Tires
Aspect ratio (definition).................356
Averageweight of the vehicle
occupants (definition)....................355
Bar (definition)...............................354
Changingawheel..........................357
Index17

!Do not use diesel to refuel vehicles with a
gasoline 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 could result in damage to the
fuel system and the engine. The repair
costs are high. Notifyaqualified specialist
workshopand have thefuel tankand fuel
lines drainedcompletely.
!Overfilling the fuel tank could damage the
fuel system.
!Take carenot to spill any fuel on painted
surfaces.You could otherwise damage the
paintwork.
!Useafilter when refueling fromafuel can.
Otherwise, the fuel lines and/or injection
system could be blocked by particles from
the fuel can.
Do not get into the vehicle again during the
refueling process. Otherwise, electrostatic
charge could build up again.
If you overfill the fuel tank,fuel could spray
out when the fuel pump nozzle is removed.
For further information on fuel and fuel quality
(Ypage 374).
Refueling
Opening/closing the fuel filler flap
To open the fuel filler flap
To insert the fuel filler cap
$Tire pressure table
!Fuel type to be used
The fuel filler flap is unlocked or locked
automatically when you open or close the
vehicle with the SmartKey or with KEYLESS-
GO.
The position of the fuel filler cap is displayed
in the instrument cluster. The arrow
next to the filling pump indicates the side of
the vehicle.
Opening the fuel filler flap
To open the fuel filler flap
To insert the fuel filler cap
$Tire pressure table
!Fuel type to be used
XSwitch the engine off.
XRemove the SmartKey from the ignition
lock.
XKEYLESS-GO: open the driver’s door.
This corresponds to key position0:"key
removed".
The driver’s door can be closed again.
XPress the fuel filler flap in the direction of
arrow.
The fuel filler flap opens slightly.
XOpen the fuel filler flap fully.
XTurn the fuel filler flap counter-clockwise
and remove it.
Refueling165
Driving and parking
Z

Xinsert the fuel filler cap intothe holder on
the insideoffuel filler flap.
XCompletely insert the filler neckofthe fuel
pump nozzle into the tank,hook in place
and refuel.
XOnly fill the tank until the pump nozzle
switches off.
iDo not add any more fuel after the pump
stops filling for the first time. Otherwise,
fuel may leak out.
Closing the fuel filler flap
XReplace the cap on the filler neck and turn
clockwise until it engages audibly.
XClose the fuel filler flap.
iClose the fuel filler flap before locking the
vehicle. Otherwise, the locking pin of the
central locking prevents the fuel filler flap
from closing.
iIf you are driving with the fuel filler cap
open, thereserve fuel warning lamp
flashes.Amessage appears in the
multifunction display (Ypage 251).
In addition, the\nCheck Engine warning
lamp may light up (Ypage 273).
For further information on warning and
indicator lamps in the instrument cluster,
see (Ypage 273).
Fuel filler flap emergency release
Xopen the trunklid.
XSlide down the parcel net.
XOpen the right-handside trim panel.
XRemove the first-aid kit (Ypage 320).
XDetach the emergencyrelease from
retainer.
XPull the emergency release in the direction
of arrow.
The fuel filler flap is unlocked.
XOpen the fuel filler flap.
166Refueling
Driving and parking

Display messagesPossible causes/consequences andSolutions

Check Engine Oil
Level(Add1quart)
AMGvehicles: theengineoil level is toolow.
XCheckthe oil level when next refueling, at the latest
(Ypage 307).
XIf necessary, add engine oil (Ypage 308).
XHave the engine checked ataqualified specialist workshop if
engine oil needs to be added more often than usual.
!Avoid long journeys with too little engine oil. The engine will
otherwise be damaged.
Information on approved engine oils can be obtained from any
qualified specialist workshop or on the Internet at http://
bevo.mercedes-benz.com.

Fuel Level Low
The fuel level has dropped into the reserve range.
XRefuel at the nearest gas station.
There is onlyavery small amount of fuel in the fuel tank.
XRefuel at the nearest gas station without fail.

Gas Cap Loose
The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
XCheck that the fuel filler cap is correctly closed.
If the fuel filler cap is not correctly closed:
XClose the fuel filler cap.
If the fuel filler cap is correctly closed:
XVisitaqualified specialist workshop.
Driving systems
Display messagesPossible causes/consequencesandSolutions


Attention Assist:
TakeaBreak!
Based on certain criteria, ATTENTION ASSIST has detected fatigue
oralack of concentrationonthe part of thedriver.Awarning tone
alsosounds.
XIf necessary,takeabreak.
During long journeys, take regular breaks in good time so you get
enoughrest.


AttentionAssist
Inoperative
ATTENTION ASSIST is inoperative.
XVisitaqualified specialist workshop.
Display messages251
On-boar dc omputer and displays
Z

Engine
ProblemPossible causes/consequences andSolutions
\n
The yellow Check
Enginewarning lamp
lightsupwhile the
engineisrunning.
Theremay beamalfunction, for example:
Rin theenginemanagement
Rin thefuel injection system
Rin theexhaust system
Rin theignition system
Rin thefuel system
The emission limit values may be exceeded and theenginemay
be runninginemergencymode.
XHavethevehicle checked as soon as possible ataqualified
specialist workshop.
iIn somestates, you must immediately visitaqualified
specialist workshopassoon as theyellow CheckEngine warning
lamp lights up.This is due to the legal requirements in effect in
these states. If in doubt, check whether such legal regulations
apply in the state in which you are currently driving.

The yellow reserve fuel
warning lamp lights up
while the engine is
running.
The fuel level has dropped into the reserve range.
XRefuel at the nearest gas station.

The yellow reserve fuel
warning lamp flashes
while the vehicle is in
motion.
In addition, the\n
Check Enginewarning
lamp may light up.
The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
XCheck that the fuel filler cap is correctly closed.
XIf the fuel filler cap is not correctly closed:close the fuel filler
cap.
XIf the fuel filler cap is closed:visitaqualified specialist
workshop.

The red coolant
warning lamp lights up
while the engine is
running and the coolant
temperature gauge is
at the start of the scale.
The temperature sensor for the coolant temperature gauge is
defective.
The coolant temperature is no longer being monitored. There is a
risk of engine damage if the coolant temperature is too high.
XPull over and stop the vehicle safely and switch off the engine,
paying attention to road and traffic conditions. Do not continue
driving under any circumstances.
XSecure the vehicle against rolling away (Ypage 167).
XConsultaqualified specialist workshop.
Indicator and warning lampsinthe instrument cluster273
On-board computer and displays
Z

XPark the vehicle onalevel surface.
Only check the coolant level when the
vehicle is onalevel surface and the engine
has cooled down.
XTurn the SmartKey to position2in the
ignition lock (Ypage 147).
On vehicles with KEYLESS-GO, press the
Start/Stop button twice (Ypage 147).
XCheck the coolant temperature display in
the instrument cluster.
The coolant temperature must be below
158‡(70 †).
XTurn the SmartKey to position
0(Ypage 147) in the ignition lock.
XSlowly turn caphalfaturn counter-
clockwise to allow excess pressure to
escape.
XTurn capfurther counter-clockwise and
remove it.
If the coolant is at the level of marker bar
$in the filler neck when cold, there is
enough coolant in coolant expansion
tank.
If the coolant level is approximately 0.6 in
(1.5 cm) above marker bar$in the fuel
filler neck when warm, there is enough
coolant in expansion tank.
XIf necessary, add coolant that has been
tested and approved by Mercedes-Benz.
XReplace capand turn it clockwise as far
as it will go.
For further information on coolant,see
(Ypage 377).
Adding washer fluid to the windshield
washer system/headlampcleaning
system
GWARNING
Windshield washer concentrate is highly
flammable. If it comes intocontactwith hot
enginecomponentsorthe exhaust systemit
could ignite. There isariskoffire and injury.
Make sure that no windshield washer
concentrate is spilled nexttothe filler neck.
XTo open:pull capupwards by the tab.
XAdd the premixed washer fluid.
XTo close:press capontothe filler neck
until it engages.
The washer fluid reservoir is used for both the
windshield washer system and the headlamp
cleaning system.
If the washer fluid level drops below the
recommended minimum of1liter,amessage
appears in the multifunction display
promptingyou to refill the washer fluid
(Ypage 262).
Further information on windshield washer
fluid/antifreeze (Ypage 378).
Maintenance
ASSYST PLUS
Service messages
The ASSYSTPLUS service interval display
informsyou of the nextservice due date.
Maintenance309
Maintenance and care
Z