Page 80 of 458

78 Safety and SecurityOccupant safety
Blocking of rear window operation
The override switch is located on the driv-
er’s door.
1Override switch
Activating override switch
Slide override switch 1 to the right.
A dot becomes visible. The functions in
the rear are disabled.Deactivating override switch
Slide override switch 1 to the left.
The functions in the rear are enabled
again.
An incorrectly mounted child seat may come
loose during an accident which could result
in serious injury or death to the child.
Damaged or impact damaged child seats or
child seat mounting fittings must be re-
placed.
Do not leave children unattended in the ve-
hicle, even if the children are secured in a
child restraint system.
iOperation of the rear windows with the
switches located in the driver’s door is
still possible.
Warning!
G
Activate the override switch when children
are riding in the back seats of the vehicle.
The children may otherwise injure them-
selves, e.g. by becoming trapped in the win-
dow opening.
When leaving the vehicle, always remove the
SmartKey or SmartKey with KEYLESS-GO*
from the starter switch, take it with you, and
lock the vehicle. Do not leave children unat-
tended in the vehicle, or with access to an
unlocked vehicle. Unsupervised use of vehi-
cle equipment may cause an accident
and/or serious personal injury.
Page 91 of 458
89 Controls in detail
Locking and unlocking
Seats
Memory function
Lighting
Instrument cluster
Control system
Automatic transmission
Good visibility
Automatic climate control
Power windows
Power tilt/sliding sunroof
Driving systems
Loading
Useful features
Page 114 of 458

112 Controls in detailSeatsFor more information on seat adjustment,
see “Adjusting” (
page 37).
Easy-entry/exit feature
This feature allows for easier entry into and
exit from the vehicle.
The easy-entry/exit feature can be activat-
ed or deactivated in the
CONVENIENCE
sub-
menu of the control system (
page 164).When exiting the vehicle, with the easy-en-
try/exit feature activated and depending
on your selection, the steering wheel tilts
upwards and/or the driver’s seat moves a
few inches to the rear when you:
remove the SmartKey from the starter
switch,
or
open the driver’s door with the
SmartKey in starter switch position 0
or 1 or the KEYLESS-GO* start/stop
button (
page 35) in position 1.
Warning!
G
You must make sure no one can become
trapped or injured by the moving steering
wheel and driver’s seat when the easy-en-
try/exit feature is activated.
To cancel seat/steering wheel movement,
do one of the following:
Press seat adjustment switch
(page 38).
Move steering column stalk
(page 42).
Press one of the memory position but-
tons (
page 123).
Do not leave children unattended in the ve-
hicle, or with access to an unlocked vehicle.
Children could open the driver’s door and
unintentionally activate the easy-entry/exit
feature, which could result in an accident
and/or serious personal injury.
Page 115 of 458

113 Controls in detailSeats
When entering the vehicle, with the
easy-entry/exit feature activated, the
steering wheel or, depending on your se-
lection, the steering wheel and driver’s
seat will return to their last set memory po-
sition or a factory-set maximum forward
position when you:
close the driver’s door with the ignition
switched on
insert the SmartKey into the starter
switch or press the KEYLESS-GO*
start/stop button (
page 35) once
with the driver’s door closed.
iIf the current position for the steering
wheel is in the uppermost tilt position,
the steering wheel will no longer be
able to move upward when the
easy-entry/exit feature is activated.
If the current seat position falls into a
factory-set position range and the sys-
tem recognizes the current seat posi-
tion to be rearward enough for easy
entry and exit, the driver’s seat will not
move to the rear when the easy-entry/
exit feature is activated.
iFor safety reasons, the driver’s seat will
not return to its last set position with
the easy-entry/exit feature activated if
the system recognizes the last set posi-
tion as an extreme forward position. In-
stead, the driver’s seat will remain at or
move to a factory-set maximum for-
ward position. To again fully return the
driver’s seat to your last set position or
to memory position, adjust the seat to
the desired position or press and hold
the respective memory position button
(page 123).
Page 116 of 458

114 Controls in detailSeatsRemoving and installing front seat head restraints
For information on head restraint adjust-
ment, see “Seats” (
page 37).Front seat head restraints
1Head restraint height switch
Switch on ignition (
page 34).
or
Open the respective door.Removing front seat head restraints
Press switch1 upwards and hold until
the head restraint is fully extended.
Pull out head restraint.
Installing front seat head restraints
Press switch1 upwards and hold for
about five seconds.
Push the head restraint down until it
engages.
Adjust head restraint to desired posi-
tion (
page 38).
Warning!
G
For your protection, drive only with properly
positioned head restraints.
Adjust head restraint so that the center of
the head restraint supports the back of the
head at eye level. This will reduce the poten-
tial for injury to the head and neck in the
event of an accident or similar situation.
Do not drive the vehicle without the seat
head restraints. Head restraints are intend-
ed to help reduce injuries during an acci-
dent.iTilt the seat backrest to the rear for
easier removal and installation of the
head restraints.
Page 117 of 458
115 Controls in detailSeats
Rear seat head restraints
Folding head restraints back
The rear seat head restraints and the rear
seat power head restraints* can be folded
backward for increased visibility.
The switch is located on the upper part of
the front center console.
1Switch in the front center console
Switch on ignition (
page 34).
Press switch1 in the front center con-
sole briefly.
The rear head restraints will fold back-
ward.Placing head restraints upright
Pull the rear head restraint upright until
it locks into position.
iThe rear head restraints cannot be re-
moved.
Warning!
G
For safety reasons, always drive with the
rear head restraints in the upright position
when the rear seats are occupied.
Keep the area around head restraints clear
of articles (e.g. clothing) to not obstruct the
folding operation of the head restraints.
!Make sure the head restraints engage
when placing them upright manually.
Otherwise, their protective function
cannot be ensured.
Page 118 of 458

116 Controls in detailSeatsPlacing power head restraints* upright
Switch on ignition (
page 34).
Press switch1 in the front center con-
sole and hold.
The rear head restraints will fold up-
right.Folding back and placing upright power
head restraints* with the switch in the
rear center console
You can fold the rear power head restraints
backward or upright using the head re-
straint folding switch in the rear center
console.
1Fold rear head restraint up
2Fold rear head restraint down
Switch on ignition (
page 34).
Push upper half1 of switch.
The rear power head restraints will fold
upright.
Push lower half2 of switch.
The rear power head restraints will fold
backward.
Head restraint tilt
You can adjust the angle manually by pull-
ing or pushing the head restraints by hand.Warning!
G
For safety reasons, always drive with the
rear head restraints in the upright position
when the rear seats are occupied.
Keep the area around head restraints clear
of articles (e.g. clothing) to not obstruct the
folding operation of the head restraints.
Page 119 of 458
117 Controls in detailSeats
Lumbar support
You can adjust the contour of the seat’s
lumbar support to best support your spine.
The thumbwheels for the driver’s and front
passenger’s seat are located on the outer
side of the seat.
1Thumbwheel
Switch on ignition (
page 34).
Set the lumbar support between 0
and 5.
Multicontour backrest*
The multicontour backrest has inflatable
air cushions built into the seat backrest to
provide additional lumbar and side sup-
port.
The seat backrest cushion height and cur-
vature can be continuously varied with
switches on the right side of the seat after
turning the SmartKey in the starter switch
to position2 or pressing the KEYLESS-GO*
start/stop button (
page 35) twice.1Shoulder region support
2Side bolster adjustment
3Massage function (PULSE)
4Lumbar region support
Switch on ignition (
page 34).
Shoulder region support
Press æ or ç on switch1.
The air cushion inflates or deflates.