2014 MERCEDES-BENZ CLS-Class check engine

Useful information
i This 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 not ethat your vehicle may
not be equipped with all features
described. This also applies to safety-
related system sand functions.
i Read the information on qualified
specialist workshops: (Y page 26).Correct driver's seat position
G
WARNING
You could lose contro lofyour vehicle if you
do the following while driving:
R adjust the driver' sseat, head restraint,
steering wheel or mirrors
R faste nthe seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint,
steering wheel and mirror and fasten your
seat belt before startingt he engine. X
Observe the safety guidelines on seat
adjustment (Y page 99).
X Make sure that seat 0024is adjusted
properly.
Electrical seat adjustment (Y page 100)
When adjusting the seat, make sure that:
R you are as far away from the driver's air bag
as possible.
R you are sitting in anormal upright position.
R you can fasten the seat belt properly.
R you have moved the backrest to an almost
vertical position.
R you have set the seat cushion angle so that
your thighs are gently supported.
R you can depress the pedals properly.
X Check whether the head restraint is
adjusted properly.
When doing so, make sure that you have
adjusted the head restraint so that the back
of your head is supported at eye level by
the center of the head restraint.
X Observe the safety guidelines on steering
wheel adjustment (Y page 106).
X Make sure that steering wheel 001Ais
adjusted properly.
Adjustingt he steering wheel electrically
(Y page 106)
When adjusting the steering wheel, make
sure that:
R you can hold the steering wheel with your
arms slightly bent.
R you can move your legs freely.
R you can see all the displays in the
instrumentc luster clearly.
X Observe the safet yguideline sfor seat belts
(Y page 55).
X Check whether you have fastened seat
belt 0010properly (Y page 56). 98
Correct driver'
sseat positionSeats, steering wheel and mirrors

Problems with the windshield wipers
Problem Possible causes/consequences and
000B Solutions
The windshield wipers
are jammed. Leaves or snow, for example, may be obstructing the windshield
wiper movement.T
he wiper motor has been deactivated.
X For safety reasons, you should remove the SmartKey from the
ignition lock.
or
X Switch off the engine using the Start/Stop button and open the
driver's door.
X Remove the cause of the obstruction.
X Switch the windshield wipers back on. The windshield wipers
fail completely. The windshield wiper drive is malfunctioning.
X
Select another wiper speed on the combination switch.
X Have the windshield wipers checked at aqualified specialist
workshop. 128
Windshield wipersLights and windshield wipers

Starting the engine
Important safety notes G
WARNING
If children are left unsupervised in the vehicle,
they could:
R open the doors, thus endangering other
people or road users.
R get out and disrupt traffic.
R operate the vehicle's equipment.
Additionally, children could set the vehicle in
motion if, for example, they:
R release the parking brake.
R shift the automatic transmission out of
parking position P.
R startingt he engine.
There is arisk of an accident and injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children or animals unattended in the
vehicle. Always keep the SmartKey out of
reach of children. G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There
is ar isk of fatal injury. Therefore never leave
the engine running in enclosed spaces
without sufficient ventilation. G
WARNING
Flammable materials introduced through
environmental influence or by animals can
ignite if in contact with the exhaust system or
parts of the engine that heat up. There is arisk
of fire.
Carry out regular checkstom ake sure that
there are no flammable foreign materials in
the engine compartmen torinthe exhaust
system.
! Do not depress the accelerator pedal
when startingt he engine. General notes i
The catalytic converter is preheated for
up to 30 seconds after acold start. The
sound of the engine may change during this
time.
Automatic transmission X
Shift the transmission to position P.
The transmission position display in the
multifunction display shows P.
i You can also start the engine when the
transmission is in position N.
Starting procedurew ith the SmartKey i
To start the engine using the SmartKey
instead of KEYLESS-GO, pull the Start/
Stop button out of the ignition lock.
X Turn the SmartKey to position 3in the
ignition lock (Y page 147) and release it as
soon as the engine is running.
Using KEYLESS-GO to startt he engine i
The Start/Stop button can be use dto
start the vehicle manually without inserting
the SmartKey into the ignition lock. The
Start/Stop button must be inserted in the
ignition lock and the SmartKey must be in
the vehicle. This mode for starting the
engine operates independently of the ECO
start/stop automatic engine start function.
X Depress the brake pedal and keep it
depressed.
X Press the Start/Stop button once
(Y pag e147).
The engine starts. Driving
149Driving and parking Z

Problems with the engine
Problem Possible causes/consequences and
000B Solutions
The engine does not
start. The starter motor
can be heard. R
There is amalfunction in the engine electronics.
R There is amalfunction in the fuel supply.
X Before attempting to start the engine again, turn the SmartKey
in the ignition back to position 0or press the Start/Stop button
repeatedly until all indicator lamps in the instrumen tcluster go
out.
X Try to start the engine again (Y page 149). Avoid excessively
long and frequent attempt stostart the engine as these will drain
the battery.
If the engine does not start after several attempts:
X Consult aqualified specialist workshop. The engine does not
start
.You cannot hear
the starter motor. The on-board voltage is too low because the battery is too weak
or discharged.
X
Jump-star tthe vehicle (Y page 326).
If the engine does not start despite attemptstoj ump-start it:
X Consult aqualified specialist workshop. The starter motor was exposed to
athermal load that was too high.
X Allow the starter motor to cool down for approximately two
minutes.
X Try to start the engine again.
If the engine still does not start:
X Consult aqualified specialist workshop. The engine is not
running smoothly and
is misfiring. There is
amalfunction in the engine electronics or in amechanical
componentoft he engine management system.
X Only depress the accelerator pedal slightly.
X Have the cause rectified immediately at aqualified specialist
workshop.
Otherwise, non-combusted fuel may get into the catalytic
converter and damage it. The coolant
temperature gauge
shows
avalue above
248 ‡(120 †). The coolant level is too low. The coolant is too hot and the engine
is no longer being cooled sufficiently.
X
Stop as soon as possible and allow the engine and the coolant
to cool down.
X Check the coolant level (Y page 308). Observe the warning
notes as you do so and add coolant if necessary. 154
DrivingDriving and parking

Automati
ctransmission Important safety notes
G
WARNING
If th eengines pee disa bovethe idlin gspeed
and you engage transmission position Dor
R,t hevehicl ecould pull away suddenly. There
is ar iskofana ccident.
When engagin gtransmission position Dor R,
always firmly depress th ebrak epedal and do
no tsimultaneously accelerate. G
WARNING
The automatic transmission switches to
neutral position Nwhen you switc hoff the
engine. The vehicle may roll away. There is a
risk of an accident.
After switching off the engine, always switch
to parking position P.Prevent the parked
vehicle fro mrolling away by applying the
parking brake. Selector lever
Overview of transmission positions Selector lever in AMG vehicles with
Pbutton
0008 Park position with parking lock
000A Reverse gear
0006 Neutral
0007 Drive Transmission position and drive
program display !
If the transmission position display in the
multifunction display is not working, you
should pull away carefully to check whether
the desired transmission position is
engaged. Ideally ,you should select
transmission position Dand drive program
C.Don ot restric tthe shift range. 001A
Transmission position display
0010 Drive program display
The current position of the selector lever is
shown by the indicators next to the selector
lever.
The indicators light up when the SmartKey is
inserted into the ignition lock. The indicators
go out when the SmartKey is removed from
the ignition lock. DIRECT SELECTl
ever
Overview of transmission positions 0008
Park position with parking lock
000A Reverse gear
0006 Neutral
0007 Drive Automatic transmission
155Driving and parking Z

The DIRECT SELECT lever is on the right of the
steerin gcolumn.
i The DIRECT SELECT lever alway sreturns
to its original position. The current
transmission position P,R, Nor Dappears
in the transmission position display
(Y page 155) in the multifunction display.
Transmission position and drive
program display !
If the transmission position display in the
multifunction display is not working, you
should pull away carefully to check whether
the desired transmission position is
engaged. Ideally, you should select
transmission position Dand drive program
E or S.Don ot restrict the shift range. 001A
Transmission position display
0010 Drive program display
The curren ttransmission position and drive
progra mappear in the multifunction display.
i The arrows in the transmission position
display show how and int owhich
transmission position syou can change
using the DIRECT SELECT lever.
Engaging par kposition P !
If th eengine speed is to ohigh or the
vehicle is moving, do not shift the
automatic transmission directly from Dto
R,f rom Rto Dor directly to P.The
automatic transmission could otherwise be
damaged. 0008
Park position with parking lock
000A Reverse gear
0006 Neutral
0007 Drive
X Push the DIRECT SELECT lever in the
direction of arrow P.
i The automatic transmission shifts into
park position Pautomatically:
R if you open the driver's door while the
vehicle is stationary in transmission
position Dor R
R if you open the door while traveling at
very low speeds in transmission position
D or R
HOLD function or DISTRONIC PLUS: if the
vehicle is braked using the HOLD function or
DISTRONIC PLUS, the automatic
transmission shifts automatically to
transmission position P.Inaddition ,atleast
one of the following condition smust be
fulfilled:
R the engin eisswitched off.
R the driver' sdoor is open and the seat belt
is not in the buckle. 156
Automatic transmissionDriving and parking

Engaging drive position D
X
When th evehicle is stationary, depress the
brak epedal.
X Push th eDIRECT SELECT leve rdown past
the first point of resistance. Transmission positions
000D
Park position
Do not shift the transmission into
position
P(Ypage 167) unless the
vehicle is stationary. The parking
lock should not be used as abrake
when parking. In addition to
engaging the parking lock, you
must always apply the parking
brake to secure the vehicle.
If the vehicle electronics are
malfunctioning, the transmission
may be locked in position P.
Have the vehicle electronics
checked immediately at aqualified
specialist workshop. 0007
Reverse gear
Only shift the transmission to
R
when the vehicle is stationary. 000E
Neutral
Do not shift the transmission to
N
while driving. The transmission
could otherwise be damaged.
No power is transmitted from the
engine to the drive wheels.
Releasing the brakes will allow you
to move the vehicle freely, e.g. to
push it or tow it.
If ESP ®
is deactivated or faulty:
only shift the transmission to
position Nif the vehicle is in danger
of skidding, e.g. on icy roads.
! Rolling in neutral Ncan damage
the drive train. 0009
Drive
The automatic transmission
changes gear automatically. All
forward gears are available.
Changing gear
The automatic transmission shifts to the
individual gears automatically when it is in
transmission position D.This automatic
gearshifting behavior is determined by:
R as hift range restriction, if selected
R the selected drive program (Y page 159)
R the position of the accelerator pedal
R the road speed Driving tips
AMG vehicles When shifting down, the double-clutch
function is active regardless of the currently
selected drive program. The double-clutch
function reduces load change reactions and
is conducive to
asporty driving style. The
sound generated by the double-clutch
function depends on the drive program
selected. 158
Automatic transmissionDriving and parking

Problems with the transmission
Problem Possible causes/consequences and
000B Solutions
The transmission has
problems shifting gear. The transmission is losing oil.
X
Have the transmission checked at aqualified specialist
workshop immediately. The acceleration ability
is deteriorating.
The transmission no
longer changes gear. The transmission is in emergency mode.
It is only possible to shift into
secondgear and reverse gear.
X Stop the vehicle.
X Shift the transmission to position P.
X Switch off the engine.
X Wait at least ten seconds before restarting the engine.
X Shift the transmission to position Dor R.
If D is selected, the transmission shifts into secondgear; ifRis
selected, the transmission shifts into reverse gear.
X Have the transmission checked at aqualified specialist
workshop immediately. Refueling
Important safety notes
G
WARNING
Fuel is highly flammable. If you handle fuel
incorrectly, there is arisk of fire and
explosion.
You must avoid fire, open flames, creating
sparks and smoking. Switch off the engine
and, if applicable, the auxiliary heating before
refueling. G
WARNING
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 away from children. If you or others come into contact with fuel,
observe the following:
R
Wash away fuel from skin immediately
using soap and water.
R If fuel comes into contact with your eyes,
immediately rinse them thoroughly with
clean water. Seek medical assistance
without delay.
R If fuel is swallowed, seek medical
assistance without delay.Don ot induce
vomiting.
R Immediately change out of clothin gwhich
has come into contact with fuel. G
WARNING
Electrostatic buildu pcan create sparks and
ignite fuel vapors. There is arisk of fire and
explosion.
Always touch the vehicle body before opening
the fuel filler flap or touching the fuel pump
nozzle. Any existin gelectrostatic buildu pis
thereby discharged. 164
RefuelingDriving and parking