Do not allow anything to protrude from the
sliding sunroof. Otherwise, the seals could
be damaged.
i Resonance noises can occur in addition to
the usual airflow noises when the sliding
sunroof is open. They are caused by minor
pressure fluctuations in the vehicle interior.
To reduce or eliminate these noises:
R change the position of the sliding sunroof
R open a side window
R open the sliding sunroof to the comfort
setting Sliding sunroof reversing feature
The sliding sunroof is equipped with an auto-
matic reversing feature. If an object blocks or restricts the sliding sunroof during the closing
process, the sliding sunroof opens again
automatically. The automatic reversing fea-
ture is however only an aid and is no substi-
tute for your attention when closing the slid-
ing roof. G
WARNING
The reversing function does not react:
R to soft, light and thin objects, e.g. small fin-
gers
R over the last 4 mm of the closing movement
R during resetting
R when closing the sliding sunroof again man-
ually immediately after automatic reversing
This means that the reversing function cannot prevent someone being trapped in these sit-
uations. There is a risk of injury.
When closing make sure that no parts of the
body are in the closing area.
If someone is trapped:
R release the switch immediately or
R during automatic operation, press the
switch briefly in any direction
The closing process is stopped. Operating the sliding sunroof
Opening and closing Overhead control panel
:
To raise
; To open
= To close/lower
X Turn the key to position 1or 2in the ignition
lock.
X Press or pull the 3switch in the corre-
sponding direction.
i If you press the
3switch beyond the
point of resistance, an automatic opening/ closing process is started in the corre-
sponding direction. When opening, the slid-
ing sunroof first automatically moves to
comfort setting. If you press it again, the
sliding sunroof opens completely. You can
stop automatic operation by pressing/pull- ing again.
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
removing the key. This function remains
active for five minutes or until you open a
front door. 100
Sliding sunroofOpening and closing
Rain-closing feature
When the key is in position
0in the ignition
lock or is removed, the sliding sunroof closes
automatically:
R if it starts to rain.
R at extreme outside temperatures.
R after six hours.
R if there is a malfunction in the power sup-
ply.
The rear of the sliding sunroof is then raised in order to ventilate the vehicle interior.
i If the sliding sunroof is obstructed when
being closed by the rain-closing feature, it
opens again slightly. The rain-closing fea-
ture is then deactivated.
The sliding sunroof does not close if: R it is raised at the rear.
R it is blocked.
R no rain is falling on the area of the wind-
screen being monitored by the rain sensor. If the vehicle, for example, is under a bridge or in a carport, the field of the sensor may
be covered.
Resetting !
If the sliding sunroof still cannot be
opened or closed fully after resetting, con-
tact a qualified specialist workshop.
Reset the sliding sunroof if it does not operate smoothly.
X Turn the key to position 1or 2in the ignition
lock.
X Raise the sliding sunroof fully at the rear
(Y page 100).
X Keep the 3switch pressed for another
second.
X Make sure that the sliding sunroof can be
fully opened and closed again
(Y page 100).
X If this is not the case, repeat the steps
above again. Sliding sunroof
101Opening and closing Z
Adjusting the head restraints electri-
cally X
To adjust the head restraint height: slide
the switch for head restraint adjustment :
up or down in the direction of the arrow.
Adjusting the luxury head restraints X
To adjust the side bolsters of the head
restraint: push or pull right or left-hand
side bolster :into the desired position.
X To adjust the angle of the head
restraint: push or pull the head restraint in
the direction of arrow ;.
i Adjust the head restraint so that the back
of your head is as close to the head
restraint as possible. Rear seat head restraints Lowering the rear seat head restraints
from the front
X
Turn the key to position 2in the ignition
lock (Y page 159).
X Press button :.
Adjusting the rear seat head restraint
angle CLS Coupé
X Pull or push the top of the head restraint
until it is in the desired position. CLS Shooting Brake108
SeatsSeats
, steering wheel and mirrors
You can adjust the contour of the front seats
individually so as to provide optimum support
for your back and sides.
X Turn the key to position 2in the ignition
lock (Y page 159). Adjusting the active multicontour
seat
Overview :
To adjust the seat cushion length
; To switch the dynamic function on or off
= To adjust the side bolsters of the seat
backrest
? To switch the massage function on or off
A To adjust the contour of the backrest to
increase/decrease support
B To adjust the height/depth of the back-
rest contour
The active multicontour seat automatically
adapts the sides of the backrest to your cur-
rent driving style.
Dynamic function The dynamic function adjusts the air cushions
in the side bolsters of the seat backrests to
ensure ideal lateral support at all times. You
can choose between two levels. X
To switch on: press button;once or
twice until the desired level is set.
One or two indicator lamps in button ;
light up.
X To switch off: press button;repeatedly
until all indicator lamps in button ;go out.
You can select the following levels: Level 1 (one indica-
tor lamp) Standard setting:
slightly increased
lateral support and
slow build-up of air
pressure in the side
bolsters of the seat
backrest.
Level 2 (two indica-
tor lamps) Sport setting:
increased lateral
support and fast
build-up of pressure
in the side bolsters
of the seat backrest.
Massage function (PULSE)
The massage function helps you to prevent
muscle tension on long journeys. You can
choose between two levels.
X To switch on: press button?once or
twice until the desired level is set.
One or two indicator lamps in button ?
light up. The air cushions in the lumbar
region vibrate for approximately
20 minutes. 110
SeatsSeats, steering wheel and mirrors
Adjusting the lumbar support
You can adjust the contour of the driver's seat
so as to provide optimum support for your
back.
X Move adjustment lever :in the direction
of the arrow until the desired backrest con- tour is achieved. Adjusting the 4-way lumbar support
:
To raise the backrest contour
; To soften the backrest contour
= To lower the backrest contour
? To harden the backrest contour
You can adjust the contour of the front seat
backrests individually to provide optimum
support for your back. Switching the seat heating on/off
Switching on/off G
WARNING
If you repeatedly switch on seat heating, the
seat cushion and backrest padding may
become very hot. The health of vehicle occu-
pants with limited temperature sensitivity or a limited ability to react to excessively high
temperatures may be affected or they may
even suffer burn-like injuries. There is a risk of
injury.
Therefore, do not switch on the seat heating
repeatedly. Driver's and front-passenger seat
The three red indicator lamps in the button
indicate the heating level you have selected.
The system automatically switches from level 3 to level 2after approximately eight
minutes.
The system automatically switches from level
2 to level 1after approximately ten minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Turn the key to position 1or 2in the ignition
lock (Y page 159).
X To switch on: press button:repeatedly
until the desired heating level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off. Seats
111Seats, steering wheel and mirrors Z
Problems with the seat heating
Problem
Possible causes/consequences and
M
MSolutions The seat heating has
switched off prema-
turely or cannot be
switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window heating or interior lighting.
Once the battery is sufficiently charged, the seat heating will
switch back on automatically. Switching the seat ventilation on/off
Switching on/off Driver's and front-passenger seat
The three blue indicator lamps in the buttons
indicate the ventilation level you have selec-
ted.
X Turn the key to position 1or 2in the ignition
lock (Y page 159).
X To switch on: press button:repeatedly
until the desired ventilation level is set.
X To switch off: press button:repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off.
i You can open the side windows and the
sliding sunroof using the "Convenience
opening" feature (Y page 97). The seat ven-
tilation of the driver's seat automatically
switches to the highest level. 112
SeatsSeats, steering wheel and mirrors
Adjusting the steering wheel electri-
cally :
To adjust the steering wheel height
; To adjust the steering wheel position
(fore-and-aft adjustment)
i Further related subjects:
R EASY-ENTRY/EXIT feature
(Y page 115)
R Storing settings (Y page 119)Steering wheel heating
Switching on/off X
Turn the key to position 2in the ignition
lock (Y page 159).
X To switch on/off: turn the lever in the
direction of arrow :or;.
Indicator lamp =lights up or goes out.
Vehicles without KEYLESS-GO: when you
remove the key from the ignition lock, the
steering wheel heating is switched off. Vehicles with KEYLESS-GO: when you switch
off the ignition and open the driver's door, the steering wheel heating is switched off.
i The steering wheel heating does not
switch off automatically. 114
Steering wheelSeats
, steering wheel and mirrors
Problems with the steering wheel heating
Problem
Possible causes/consequences and
M
MSolutions The steering wheel
heating has switched
itself off prematurely or
cannot be switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window heating or interior lighting.
Once the battery is sufficiently charged, the steering wheel
heating will switch back on automatically. EASY-ENTRY/EXIT feature
Important safety notes G
WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants – particularly children – could
become trapped. There is a risk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel.
If someone is trapped:
R press one of the memory function position
buttons, or
R move the switch for steering wheel adjust-
ment in the opposite direction to that in
which the steering wheel is moving.
The adjustment process is stopped. G
WARNING
If children activate the EASY-ENTRY/EXIT fea- ture, they can become trapped, particularly
when unattended. There is a risk of injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children unattended in the vehicle. G
WARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There is a risk of an
accident. Always wait until the adjustment process is
complete before driving off.
The EASY-ENTRY/EXIT feature makes getting in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board com-
puter (Y page 257).
Position of the steering wheel when the
EASY-ENTRY/EXIT feature is active The steering wheel tilts upwards if you:
R remove the key from the ignition lock
R with the key: open the driver's door; the
key must be in position 0or 1in the ignition
lock (Y page 159).
i The steering wheel only moves upwards if
it has not already reached the upper stop.
Position of the steering wheel for driv-
ing The steering wheel is moved to the previously
set position if:
R the driver's door is closed and
R with the key: you insert the key into the
ignition lock
If you close the driver's door with the key
inserted in the ignition lock, the steering
wheel is automatically moved to the previ-
ously set position.
The last position of the steering wheel is
stored when you switch off the ignition or Steering wheel
115Seats, steering wheel and mirrors Z