warning light MERCEDES-BENZ CLS-Class 2014 W218 Owner's Guide

Problem Possible causes/consequences and
000B Solutions
The engine cannot be
started using the
SmartKey. The on-board voltage is too low.
X
Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary
(Y page 324).
or
X Jump-start the vehicle (Y page 326).
or
X Consult aqualified specialist workshop. The engine cannot be
started using KEYLESS-
GO. The SmartKey is in
the vehicle. Ad
oor is open. Therefore, the SmartKey cannot be detected as
easily.
X Close the door and try to start the vehicle again. There is interferenc
efrom apowerful source of radio waves.
X Start your vehicle with the SmartKey in the ignition lock. Doors
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 shiftin gthe automatic transmission out of
park position P
R Start the engine.
There is arisk of an accident and injury.
When leaving the vehicle, alwayst ake 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
If persons, particularly children are subjected
to prolonged exposure to extreme heat or
cold, there is arisk of injury, possibly even
fatal. Never leave children unattended in the
vehicle. Unlocking and opening doors from
the inside
You can open adoor from inside the vehicle
even if it has been locked. If the vehicle has
been locked with the SmartKey or with
KEYLESS-GO, opening adoor from the inside
will trigger the anti-theft alarm system.
Switch off the alarm (Y page 74).
You can only open the rear doors from inside
the vehicle if they are not secured by the
child-proof locks (Y page 65).82
DoorsOpening and closing

0001
Neutral position.
0002 To unlock
X Turn the mechanical key counter-clockwise
from position 0001as far as it willgoto
position 0002.
The trunk is unlocked.
X Turn the mechanical key back to position
0001 and remove it.
X Insert the mechanical key into the
SmartKey. Trunk emergencyr
elease
You can open th etrunk lid from inside the
vehicle with th eemergency releas ebutton. X
Pres semergency releas ebutton 001Abriefly.
The trunk lid unlock sand opens.
The trunk lid can be unlocked and opened
with th etrunk lid emergency releas ewhen
th ev ehicle is stationar yorwhile driving.
The trunk lid emergency releas edoes not
open th etrunk lid if th ebattery is
disconnecte dordischarged. Trun
klid emergency release light:
R emergency release button 001Aflashes for
30 minutes after the trunk lid is opened
R emergency release button 001Aflashes for
60 minutes after the trunk lid is closed Side windows
Important safety notes
G
WARNING
While opening the side windows ,body parts
could become trapped between the side
window and the door fram easthe side
window moves. There is arisk of injury.
Make sure that nobody touches the side
window durin gthe opening procedure. If
somebody becomes trapped, release the
switc horp ull the switc htoclosethe side
window again. G
WARNING
While opening the side windows ,body parts
in the closing area could become trapped.
There is arisk of injury.
Make sure that no body part sare in close
proximit ydurin gthe closing procedure. If
somebody becomes trapped, release the
switc horp ress the switc htoopen the side
window again. G
WARNING
If children operat ethe side windows they
could become trapped, particularly if the yare
left unsupervised. There is arisk of injury.
Activate the override feature for the rear side
windows .When leaving the vehicle, always
take the SmartKey with you and lock the
vehicle. Never leave children unsupervised in
the vehicle. Side window reversing feature
The side windows are equipped with an
automatic reversing feature. If asolid object 88
Side windowsOpening and closing

block
sorrestrict saside window during the
closin gprocess, the side window opens again
automatically. However ,the automatic
reversing feature is only an aid and does not
relieve you of the responsibility of paying
attention when closin gaside window. G
WARNING
The reversing feature does not react:
R to soft ,light and thin objects, e.g. small
fingers
R over the last 4mmofthe closing movement
R during resetting
R when closing the side window again
manually immediately after automatic
reversing
This means that the reversing feature cannot
prevent someone being trapped in these
situations. There is arisk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If
someone becomes trapped, press the switch
to open the side window again. Opening and closing the side
windows
The switches for all side windows are located
on the driver's door. There is also aswitch on
each door for the corresponding side window.
The switches on the driver's door take
precedence. 001A
Front left
0010 Front right 0024
Rear right
0021 Rear left
X Turn the SmartKey to position 1or 2in the
ignition lock.
X To open: press the corresponding switch.
X To close: pull the corresponding switch.
i If you press the switch beyond the point
of resistance, an automatic opening/
closing process is started in the
corresponding direction. You can stop
automatic operation by operating the
switch again.
i You can continue to operate the side
windows after you switch off the engine or
remove the SmartKey. This function is
available for up to five minutes or until the
driver's or front-passenger door is opened.
i When the override feature for the side
windows is activated (Y page 65), the side
windows cannot be operated from the rear. Convenienceo
pening
General notes You can ventilate the vehicle before you start
driving. To do this, the SmartKey is used to
carry out the following functions
simultaneously:
R
unlock the vehicle
R open the side windows
R open the sliding sunroof
R switch on the seat ventilation for the
driver's seat
i The convenience opening feature can
only be operated using the SmartKey. The
SmartKey must be close to the driver's
door handle. Side windows
89Opening and closing Z

Convenience opening
X
Poin tthe tip of the SmartKey at the driver's
door handle.
X Press and hold the 0014button until the
side windows and the sliding sunroof are in
the desired position.
X To interrupt convenienceo pening:
release the 0014button. Conveniencec
losing feature
Important safety notes Information on the side window reversing
feature (Y
page 88). G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small
fingers
R over the last 4mmofthe closing movement
R during resetting
R when closing the sliding sunroof again
manually immediately after automatic
reversing
This means that the reversing feature cannot
prevent someone being trapped in these
situations. There is arisk of injury.
Make sure that no body parts are in close
proximity during the closing procedure.
If somebody becomes trapped:
R release the switch immediately, or
R during automatic operation, push the
switch briefly in any direction
The closing process is stopped. G
WARNING
When the convenience closing feature is
operating, parts of the body could become
trapped in the closing area of the side window
and the sliding sunroof. There is arisk of
injury.
Observe the complete closing procedure
when the convenience closing feature is operating. Make sure that no body parts are
in close proximity during the closing
procedure.
Proceed as follows if someone is trapped:
With the SmartKey:
R release the 000Fbutton.
R press and hold the 0014button until the
side windows and the sliding sunroof or the
panorama roof with power tilt/sliding
panel open again.
Using KEYLESS-GO:
R release the sensor surface on the door
handle.
R pull the door handle immediately and hold
it.
The side windows and the sliding sunroof
or the panorama roof with power tilt/
sliding panel open.
General notes When you lock the vehicle, you can
simultaneously:
R
close the side windows
R close the sliding sunroof
Using the SmartKey The SmartKey must be close to the driver's
door handle.
X
Point the tip of the SmartKey at the driver's
door handle.
X Press and hold the 000Fbutton until the
side windows and the sliding sunroof are
fully closed.
X Make sure that all the side windows and the
sliding sunroof are closed.
X To interrupt conveniencec losing:
release the 000Fbutton.
Using KEYLESS-GO The KEYLESS-GO key must be outside the
vehicle. All the doors must be closed.90
Side windowsOpening and closing

Problems with the side windows
G
WARNING
If you close aside window again immediately after it has been blocked or reset, the side window
closes with increased or maximum force. The reversing feature is then not active. Parts of the
body could be trapped in the closing area in the process. This poses an increased risk of injury
or even fatal injury.
Make sure that no parts of the body are in the closing area. To stop the closing process, release
the switch or push the switch again to reopen the side window. Problem Possible causes/consequences and
000B Solutions
As
ide window cannot
be closed because it is
blocked by objects, e.g.
leaves in the window
guide. X
Remove the objects.
X Close the side window. As
ide window cannot
be closed and you
cannot see the cause. If
as ide window is obstructed durin gclosing and reopen sagain
slightly:
X Immediately after the window blocks, pull the corresponding
switc hagain until the side window has closed.
The side window is closed with increased force.
If as ide window is obstructed again durin gclosing and reopens
again slightly:
X Immediately after the window blocks, pull the corresponding
switc hagain until the side window has closed.
The side window is closed without the anti-entrapmen tfeature. Sliding sunroof
Important safet
ynotes G
WARNING
While opening and closing the sliding sunroof,
body parts in close proximity could become
trapped. There is arisk of injury.
Make sure that no body parts are in close
proximity during the opening and closing
procedures.
If somebody becomes trapped:
R release the switch immediately, or
R during automatic operation ,push the
switch briefly in any direction The openin
gorclosing procedure will be
stopped. G
WARNING
If children operate the sliding sunroof they
could become trapped, particularly if they are
left unsupervised. There is arisk of injury.
When leaving the vehicle, alway stake the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
! Only open the sliding sunroof if it is free
of snow and ice. Otherwise, malfunctions
may occur. 92
Sliding sunroofOpening and closing

Do not allo
wanything to protrude fro mthe
sliding sunroof. Otherwise, the seals could
be damaged.
! The weather can change abruptly. It could
start to rain or snow. Make sure that the
sliding sunroof is closed when you leave the
vehicle. The vehicle electronicsc an be
damaged if water enters the vehicle
interior.
i Resonance noises can occur in addition
to the usuala irflow noises when the sliding
sunroof is open. They are caused by minor
pressure fluctuations in the vehicle interior.
Change the position of the sliding sunroof
or open aside window slightly to reduce or
eliminate these noises. Sliding sunroof reversing feature
The sliding sunroof is equipped with an
automatic reversing feature. If asolid object
blocks or restrictst he sliding sunroof during
the closing process, the sliding sunroof opens
again automatically .However, the automatic
reversing feature is only an aid and does not
relieve you of the responsibility of paying
attention when closing the sliding sunroof. G
WARNING
The reversing feature does not react:
R to soft, light and thin objects, e.g. small
fingers
R over the last 4mmofthe closing movement
R during resetting
R when closing the sliding sunroof again
manually immediately after automatic
reversing
This means that the reversing feature cannot
prevent someone being trapped in these
situations. There is arisk of injury.
Make sure that no body parts are in close
proximity during the closing procedure. If somebody becomes trapped:
R
release the switch immediately, or
R during automatic operation, push the
switch briefly in any direction
The closing process is stopped. Operating the sliding sunroof
Opening and closing Overhead control panel
001A
To raise
0010 To open
0024 To close/lower
X Turn the SmartKey to position 1or 2in the
ignition lock.
X Press or pull the 0006switch in the
corresponding direction.
i If you press the 0006switch beyond the
point of resistance, an automatic opening/
closing process is started in the
corresponding direction. You can stop
automatic operation by operating the
switch again.
i The automatic opening and raising
feature is available only when the sliding
sunroof is closed.
The sun protection cover automatically opens
along with the sliding sunroof. You can open
or close the sun protection cover manually
when the sliding sunroof is raised or closed.
i You can continue to operate the sliding
sunroof after switching off the engine or Sliding sunroof
93Opening and closing Z

Problems with the sliding sunroof
G
WARNING
If you close the sliding sunroof again immediately after it has been blocked or reset, the sliding
sunroof closes with increased or maximum force. The reversing feature is then not active. Parts
of the body could be trapped in the closing area in the process. This poses an increased risk of
injury or even fatal injury.
Make sure that no parts of the body are in the closing area.
If somebody becomes trapped:
R release the switch immediately, or
R during automatic operation, push the switch briefly in any direction
The closing process is stopped.
! If the sliding sunroof still cannot be opened or closed as aresult of amalfunction ,contact
aq ualified specialist workshop. Problem Possible causes/consequences and
000B Solutions
The sliding sunroof
cannot be closed and
you cannot see the
cause. If the sliding sunroof is obstructed during closing and reopens
again slightly:
X
Immediately after the sliding sunroof blocks, pull the 0006
switch in the overhead control panel down to the point of
resistance and hold it until the sliding sunroof is closed.
The sliding sunroof is closed with increased force.
If the sliding sunroof is obstructed again during closing and then
reopens slightly:
X Immediately after the sliding sunroof blocks, pull the 0006
switch in the overhead control panel down to the point of
resistance and hold it until the sliding sunroof is closed.
The sliding sunroof is closed without the anti-entrapment
feature. Sliding sunroof
95Opening and closing Z

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

properly secured in an appropriately sized
child restraint system or booster seat
recommended for the size and weight of the
child. For additional information ,see the
"Children in the vehicle" section.
Ac hild's risk of serious or fatal injuries is
significantly increased if the child restraints
are not properly secured in the vehicle and/
or the child is not properly secured in the child
restraint.
! To avoid damage to the seats and the seat
heating, observe the following information:
R keep liquids from spilling on the seats. If
liquidiss pilled on the seats, dry them as
soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat
heating should also not be used to dry
the seats.
R clean the seat covers as recommended;
see "Interior care".
R do not transport heavy loads on the
seats. Do not place sharp objectsont he
seat cushions, e.g. knives, nails or tools.
The seats should only be occupied by
passengers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating
materials, e.g. blankets, coats, bags,
seat covers, child seats or booster seats.
! Make sure that there are no objectsint he
footwell or behind the seats when resetting
the seats. There is arisk that the seats
and/or the objectsc ould be damaged.
i The head restraintsint he front seats are
installed with the NECK-PRO system
(Y page 53). For this reason, it is not
possible to remove the head restraints
from the front seats.
For more information ,contact aqualified
specialist workshop.
i Further related subjects: Adjusting the seats
001A
Head restraint height
0010 Seat cushion angle
0024 Seat height
0021 Seat fore-and-aft adjustment
001E Backrest angle
i If PRE-SAFE ®
is triggered, the front-
passenger seat will be moved to abetter
position if it was previously in an
unfavorable position.
i You can store the seat settings using the
memory function (Y page 112).
i Vehicles with the through-loading
feature: if you fold down arear seat
backrest, the respective front seat is
moved forwards slightly in order to avoid
contact. Adjusting the head restraints
Important safety notes G
WARNING
You could lose control of your vehicle if you
do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the 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.100
SeatsSeats, steering wheela
nd mirrors

Problems with the seat ventilation
Problem Possible causes/consequences and
000B Solutions
The seat ventilation has
switched off
prematurely or cannot
be switched on. The on-board voltage is too low because too many electrical
consumers are switched on.
X
Switch off electrical consumers that you do not need, such as
the rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat ventilation will
switch back on automatically. Steering wheel
Important safety notes
G
WARNING
You could lose control of your vehicle if you
do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the 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.G
WARNING
Children could injure themselves if they
adjust the steering wheel. There is arisk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle. Adjusting the steering wheel
electrically
001A
To adjust the steering wheel height
0010 To adjust the steering wheel position
(fore-and-aft adjustment)
i Further related subjects:
R EASY-ENTRY/EXIT feature
(Y page 108)
R Storing settings (Y page 112)106
Steering wheelSeats, steering wheela
nd mirrors