191 Controls in detail
Good visibility
Rear window sunshade*
The switch is located on the upper part of
the front center console.
1Rear window sunshade switch
Switch on ignition (
page 34).
Press switch 1 briefly to raise the sun-
shade.
Press switch 1 briefly to lower the
sunshade.
Always raise the sunshade fully for its sup-
port against the window frame.
Rear door window sunshade*
To raise sunshade pull on the tab and
engage in holder.
To lower sunshade disengage tab and
guide retraction.
Warning!
G
When operating the rear window sunshade,
be sure that there is no danger of anyone be-
ing harmed by the raising or lowering proce-
dure.
The raising or lowering procedure can be im-
mediately reversed by pressing switch1.Warning!
G
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 can cause an accident
and/or serious personal injury.
!Always guide the sunshade. Do not let
it snap back abruptly, as the retractor
could be damaged.
207 Controls in detail
Power windows
Power windows
Opening and closing the power windows
The side windows are opened and closed
electrically. The switches for all side win-
dows are on the driver’s door. The switch-
es for the respective windows are on the
front passenger door and the rear doors.
1Left front window
2Right front window
3Right rear window
4Left rear window
5Rear window override switch
(
page 78)
Warning!
G
When closing the windows, make sure that
there is no danger of anyone being harmed
by the closing procedure.
The closing of the door windows can be im-
mediately halted by releasing the switch or,
if the switch was pressed past the resis-
tance point and released, by pressing the re-
spective switch.
The door windows are equipped with the ex-
press-close and automatic reversal func-
tion. If the window encounters an
obstruction that blocks its path in a circum-
stance where you pressed the switch past
the resistance point and released it to close
the window, the automatic reversal function
will stop the window and open it slightly.
If the window encounters an obstruction
that blocks its path in a circumstance where
you are closing the window by pressing and
holding the switch, by pressing and holding
button ‹ on the SmartKey, or by press-
ing and holding the lock button (vehicles
with KEYLESS-GO*) on the door handle, the
automatic reversal function will not operate.
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.iYou can also open or close the win-
dows using the SmartKey, see “Sum-
mer opening feature” (
page 209) and
“Convenience closing feature”
(
page 210).
You can close and reopen the windows
using the air recirculation button,
or the charcoal filter buttone in the
climate control panel (
page 194).
212 Controls in detailPower tilt/sliding sunroof
Switch on ignition (
page 34).
Opening and closing the power
tilt/sliding sunroof
To open, close, raise or lower the
tilt/sliding sunroof, move the switch to
resistance point in the required
direction1to4.
Release the sunroof switch when the
tilt/sliding sunroof has reached the de-
sired position.
Fully opening (Express-open) and clos-
ing (Express-close) the power the
tilt/sliding sunroof
To open, close, raise or lower the
tilt/sliding sunroof, move the switch
past the resistance point in the re-
quired direction1to4 and release.
The tilt/sliding sunroof opens or closes
completely.
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 can cause an accident
and/or serious personal injury.!To avoid damaging the seals, do not
transport any objects with sharp edges
which can stick out of the tilt/sliding
sunroof.
Do not open the tilt/sliding sunroof if
there is snow or ice on the roof, as this
could result in malfunctions.
The tilt/sliding sunroof can be opened
or closed manually should an electrical
malfunction occur (
page 386).
iYou can also open or close the tilt/slid-
ing sunroof using the SmartKey, see
“Summer opening feature”
(page 209) and “Convenience clos-
ing feature” (
page 210).
You can close and reopen the tilt/slid-
ing sunroof using the air recirculation
button, or the charcoal filter
buttone in the climate control pan-
el (
page 194).
iWith the SmartKey in starter switch po-
sition 0 or removed from the starter
switch, the tilt/sliding sunroof can be
operated
until you open the driver’s or pas-
senger door
for up to approximately five min-
utes.
252 Controls in detailUseful featuresCigarette lighters
1Center console cigarette lighter
Make sure the ignition is switched on.
All the lamps in the instrument cluster
should come on.
Push in cigarette lighter1.
The lighter will pop out automatically
when hot.1Rear door lighters
Make sure the ignition is switched on.
All the lamps in the instrument cluster
should come on.
Lightly touch the back of the ashtray to
open it (
page 251).
Push in cigarette lighter1.
The lighter will pop out automatically
when hot.
Warning!
G
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
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.iThe lighter socket can be used to ac-
commodate electrical accessories up
to a maximum 85 W.
iOperation of the rear door lighters is
only possible, if the override switch
(page 78) is deactivated.
253 Controls in detail
Useful features
Heated steering wheel*
The steering wheel heating warms up the
leather area of the steering wheel.
The stalk with the heated steering wheel
switch is on the lower left-hand side of the
steering wheel.
1Switching on
2Indicator lamp
3Switching offSwitching on
Switch on ignition (
page 34).
All the lamps in the instrument cluster
should come on.
Turn switch at the tip of stalk in the di-
rection of arrow1.
The steering wheel is heated. Indicator
lamp2 comes on.
Switching off
Turn switch at the tip of stalk in direc-
tion of arrow3.
The steering wheel heating is turned
off. Indicator lamp2 goes out.
Warning!
G
Never touch the heating element or sides of
the lighter; they are extremely hot. Hold the
knob only.
To avoid possible injury to children sitting in
the rear seat, deactivate the operation of
the rear door windows, see (
page 78). De-
activation of the rear windows also deacti-
vates the lighters.
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.
iThe steering wheel heating does not
turn off automatically.
387 Practical hints
Replacing SmartKey batteries
Replacing SmartKey batteries
If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Center.Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.
SmartKey
Remove mechanical key out of the
SmartKey (
page 383).1Mechanical key
2Battery compartment
Replacement batteries: Lithium, type
CR 2025 or equivalent.
Insert the mechanical key1 in side
opening and push gray slide.
The battery compartment2 is un-
latched.
Pull battery compartment2 out of the
housing in direction of arrow.
Remove the batteries.
Warning!
G
Batteries contain poisonous and corrosive
substances. Therefore keep the batteries
out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen inserting the batteries, make
sure they are clean and free of lint.iWhen changing batteries, always re-
place both batteries.
The required replacement batteries are
available at any authorized
Mercedes-Benz Center.
437 Technical terms
ABC
(A
ctive B
ody C
ontrol)
Active, computer-controlled system
that hydraulically adjusts the suspen-
sion at all four wheels in response to
various driving situations.
ABS
(A
ntilock B
rake S
ystem)
Prevents the wheels from locking up
during braking so that the vehicle can
continue to be steered.
ADS
(A
daptive D
amping S
ystem)
Automatically adapts the optimum sus-
pension damping to prevailing driving
conditions.
Airmatic
Automatically selects the optimum sus-
pension tuning and ride height for your
vehicle. Airmatic consists of two com-
ponents:
Adaptive Damping System
Vehicle level controlAlignment bolt
Metal pin with thread. The centering
pin is an aid used when changing a tire
to align the wheel with the wheel hub.
BabySmart
TM air bag deactivation
system
This system detects if a special system
compatible child restraint seat is in-
stalled on the front passenger seat. The
system will automatically deactivate
the passenger front air bag when such
a seat is properly installed (the
58indicator lamp in the center
console comes on). See an authorized
Mercedes-Benz Center for availability.
BabySmartTM compatible child seats
Special restraint system for children.
The sensor system for the passenger
seat prevents deployment of the pas-
senger front air bag if a BabySmart
TM
compatible child seat is installed. See
an authorized Mercedes-Benz Center
for availability.BAS
(B
rake A
ssist S
ystem)
System for potentially reducing braking
distances in emergency braking situa-
tions. The system is activated when it
senses an emergency based on how
fast the brake is applied.
Bi-xenon headlamps
Headlamps which use an electric arc as
the light source and produce a more in-
tense light than filament headlamps.
Bi-xenon headlamps produce low beam
and high beam.
CAC
(C
ustomer A
ssistance C
enter)
Mercedes-Benz customer service cen-
ter, which can help you with any ques-
tions about your vehicle and provide
assistance in the event of a break-
down.
441 Technical terms
Power train
Collective term designating all compo-
nents used to generate and transmit
motive power to the drive axles, includ-
ing:
Engine
Clutch/torque converter
Transmission
Transfer case
Drive shaft
Differential
Axle shafts/axles
Program mode selector switch
Used to switch the automatic transmis-
sion between standard operationS and
comfort operationC.
S 55 AMG with steering wheel gearshift
control and manual shift program: in
addition toS andC (see above), you
can useM for manual operation.REST
(Residual engine heat utilization)
Feature that uses the engine heat
stored in the coolant to heat the vehi-
cle interior for a short time after the en-
gine has been turned off.
Restraint systems
Seat belts, belt tensioners, air bags
and child restraint systems. As inde-
pendent systems, their protective func-
tions complement one another.
RON
(R
esearch O
ctane N
umber)
The Research Octane Number for gaso-
line as determined by a standardized
method. It is an indication of a gaso-
line's ability to resist undesired detona-
tion (knocking). The average of both
the ->MON (Motor Octane Number)
and RON (Research Octane Number) is
posted at the pump, also known as AN-
TI-KNOCK INDEX.Shift lock
When the vehicle is parked, this lock
prevents the transmission selector le-
ver from being inadvertently moved out
of positionP without the SmartKey
turned and the brake pedal depressed.
SRS
(S
upplemental R
estraint S
ystem)
Seat belts, emergency tensioning de-
vice and air bags. Though independent
systems, they are closely interfaced to
provide effective occupant protection.