steering MERCEDES-BENZ SLK350 2008 R171 Owner's Guide

68 Safety and Security
Occupant safety
Safety guidelines for the seat belt,
emergency tensioning device and
air bagiAir bags are designed to activate only in
certain frontal impacts (front air bags, knee
bags) and in side impacts (head-thorax air bags)
which exceed preset thresholds. Only during
these events will they provide their supplemental
protection.
The driver and passenger should always wear
their seat belts. Otherwise it is not possible for
the air bags to provide their supplemental
protection.
In case of other types of impacts and impacts
below air bag deployment thresholds, air bags
will not deploy. The driver and passenger will
then be protected to the extent possible by a
properly fastened seat belt. A properly fastened
seat belt is also needed to provide the best
possible protection in a rollover.
We caution you not to rely on the presence of the
air bags in order to avoid wearing your seat belt.
It is important to your safety and that of your
passenger that you replace deployed air bags
and repair any malfunctioning air bags to make
sure that the vehicle will continue to provide
supplemental crash protection for occupants.
Warning!G

Damaged seat belts or seat belts that
were highly stressed in an accident
must be replaced and their anchoring
points must also be checked. Only use
seat belts installed or supplied by an
authorized Mercedes-Benz Center.

Air bags and Emergency Tensioning
Devices (ETDs) contain Perchlorate
material, which may require special han-
dling and regard for the environment.
Check with your local government’s
disposal guidelines. California residents,
see http://www.dtsc.ca.gov/Hazard-
ousWaste/Perchlorate/index.cfm.

Air bags and Emergency Tensioning
Devices (ETDs) are designed to function
on a one-time-only basis. An air bag or
ETD that has deployed must be re-
placed.

Do not pass seat belts over sharp edges.
They could tear.

Do not make any modification that could
change the effectiveness of the seat
belts.

No modifications of any kind may be
made to any components or wiring of
the SRS. This includes changing or
removing any component or part of the
SRS, the installation of additional trim
material, badges, etc. over the steering
wheel hub, passenger front air bag
cover, door frame trims, or door trim
panels, and installation of additional
electrical/electronic equipment on or
near SRS components and wiring. Keep
area between air bags and occupants
free from objects (e.g. packages, purs-
es, umbrellas, etc.).

Do not bleach or dye seat belts as this
may severely weaken them. In a crash,
they may not be able to provide ade-
quate protection.

Air bag system components will be hot
after an air bag has inflated. Do not
touch.

85 Safety and Security
Driving safety systems
Braking
At the instant one of the wheels is about to
lock up, a slight pulsation can be felt in the
brake pedal, indicating that the ABS is in
the regulating mode.
Keep firm and steady pressure on the
brake pedal while experiencing the
pulsation.
Continuous, steady brake pedal pressure
yields the advantages provided by the ABS,
namely braking power and the ability to
steer the vehicle.
The pulsating brake pedal can be an
indication of hazardous road conditions
and functions as a reminder to take extra
care while driving.Emergency brake maneuver
Keep continuous full pressure on the
brake pedal.
For more information, see “Practical hints”
(
page 348).
Warning!G
When the ABS is malfunctioning, the BAS
and the ESP® are also switched off. The
basic driving and braking functions are still
available.
When the ABS is malfunctioning, the wheels
may lock during hard braking, reducing
steering capability and extending the brak-
ing distance.
Warning!G
The ABS cannot prevent the natural laws of
physics from acting on the vehicle, nor can
it increase braking or steering efficiency
beyond that afforded by the condition of the
vehicle brakes and tires or the traction af-
forded. The ABS cannot prevent accidents,
including those resulting from excessive
speed in turns, following another vehicle too
closely, or hydroplaning. Only a safe, atten-
tive, and skillful driver can prevent
accidents. The capabilities of an ABS
equipped vehicle must never be exploited in
a reckless or dangerous manner which
could jeopardize the user’s safety or the
safety of others.

86 Safety and Security
Driving safety systems
BAS
The Brake Assist System (BAS) operates in
emergency situations. If you apply the
brakes very quickly, the BAS automatically
provides full brake boost, thereby poten-
tially reducing braking distance.
Apply continuous full braking pressure
until the emergency braking situation is
over.
The ABS will prevent the wheels from
locking.
When you release the brake pedal, the
brakes function again as normal. The BAS
is then deactivated.
ESP®
The Electronic Stability Program (ESP®) is
operational as soon as the engine is run-
ning and monitors the vehicle’s traction
(force of adhesive friction between the
tires and the road surface) and handling.
The ESP
® recognizes when a wheel is spin-
ning or if the vehicle starts to skid.
By applying the brakes to the appropriate
wheel and by limiting the engine output,
the ESP
® works to stabilize the vehicle.
The ESP® is especially useful while driving
off and on wet or slippery road surfaces.
The ESP
® also stabilizes the vehicle during
braking and steering maneuvers.
The ESP
® warning lampv in the
instrument cluster flashes when the ESP®
is engaged.
The ESP
® warning lampv in the
instrument cluster comes on when you
switch on the ignition. It goes out when the
engine is running.
Warning!G
If the BAS is malfunctioning, the brake
system is still functioning normally, but
without the additional brake boost available
that BAS would normally provide in an emer-
gency braking maneuver. Therefore, the
braking distance may increase.
Warning!G
The BAS cannot prevent the natural laws of
physics from acting on the vehicle, nor can
it increase braking efficiency beyond that
afforded by the condition of the vehicle
brakes and tires or the traction afforded.
The BAS cannot prevent accidents, includ-
ing those resulting from excessive speed in
turns, following another vehicle too closely,
or hydroplaning. Only a safe, attentive, and
skillful driver can prevent accidents.
The capabilities of a BAS equipped vehicle
must never be exploited in a reckless or
dangerous manner which could jeopardize
the user’s safety or the safety of others.

107 Controls in detail
Memory function*
Memory function*
Prior to operating the vehicle, the driver
should check and adjust the seat height,
seat position fore and aft, and seat back-
rest angle if necessary, to ensure adequate
control, reach and comfort. The head re-
straint should also be adjusted for proper
height. See also the section on air bags
(
page 66) for proper seat positioning.
In addition, adjust the steering wheel to
ensure adequate control, reach, operation
and comfort. Both the interior and exterior
rear view mirrors should be adjusted for
adequate rear vision.
Fasten seat belts. Infants and small
children should be seated in an appropri-
ate infant or child restraint system which is
properly secured by a lap-shoulder belt
and that complies with U.S. Federal Motor
Vehicle Safety Standards 213 and 255
and Canadian Motor Vehicle Safety
Standards 213 and 210.2.With the memory function you can store up
to three different configurations.
Each store position on the driver’s side
includes the following settings:

Seat position

Steering wheel position

Exterior rear view mirrors’ position
Each store position on the passenger side
includes the following setting:

Seat positionThe memory button and memory position
switch are located on the outer side of
each seat.
1Memory buttonM
2Memory position switch
Switch on the ignition (page 37).
or
Open the respective door.
Warning!G
Do not activate the memory function while
driving. Activating the memory function
while driving could cause the driver to lose
control of the vehicle.

108 Controls in detail
Memory function*
Storing positions into memory
Adjust the seat, on the driver’s side
also the steering wheel and exterior
rear view mirrors, to the desired
positions (
page 39).
Press memory buttonM.
Release memory buttonM and press a
memory position switch 2 within
3 seconds.
All settings are stored to the selected
position.
Recalling positions from memory
Press and hold desired memory
position switch2 until the seat, on
the driver’s side also the steering
wheel and exterior rear view mirrors,
have completely moved to the stored
positions.
!Do not operate the power seats using the
memory position switches if the seat backrest is
in an excessively reclined position. Doing so
could cause damage to the seats.
iReleasing the memory position switches
immediately stops movement to the stored
positions.

114 Controls in detail
Lighting
Corner-illuminating front fog lamps*
The corner-illuminating front fog lamps
improve illumination of the area in the
direction into which you are turning.
The corner-illuminating front fog lamps will
operate with the engine running and with

the exterior lamp switch in
positionB (
page 109)
or

the exterior lamp switch in
positionU (
page 109)
or

the daytime running lamp mode
activated (
page 111)Driving forward
Switching on corner-illuminating front
fog lamps
Switch on the left or right turn signal
(
page 55), depending on whether
you are turning left or right.
The respective front fog lamp comes on
and illuminates the area in the
direction into which you are turning.
or
Turn the steering wheel in the desired
direction.
The front fog lamp on the side of your
steering direction comes on.
iCorner-illuminating front fog lamps are not
available for the following models:

SLK 280 and SLK 350 without Bi-Xenon*
headlamps

SLK 280 and SLK 350 with Sport Package*

SLK 55 AMG
iWith automatic headlamp mode activated:
Corner-illuminating front fog lamps will only
come on in low ambient lighting conditions.
iIf you are driving faster than
25 mph (40 km/h) or have the front fog lamps
switched on, the corner-illuminating front fog
lamps function is not available.
iIf you have switched on the turn signal for
one side but turn the steering wheel in the
opposite direction, the corner-illuminating front
fog lamp the corner-illuminating lamp comes on
for the side indicated by the turn signal.
The corner-illuminating front fog lamp remains lit
for a maximum of 3 minutes. Afterwards, it goes
out even if the turn signal is still switched on.
iThe corner-illuminating front fog lamps
temporarily come on on both sides of the vehicle
if you turn the steering wheel in one direction
and then again in the other direction shortly
thereafter.
iThe corner-illuminating front fog lamps
will come on automatically depending on the
steering angle, even if you did not switch on
either turn signal.
If the corner-illuminating front fog lamps came
on automatically, they will also go out automati-
cally depending on the steering angle.

115 Controls in detail
Lighting
Switching off corner-illuminating front
fog lamps
The combination switch for the turn signal
resets automatically after major steering
wheel movements. This will switch off the
corner-illuminating front fog lamps if they
where activated by switching on the left or
right turn signal.
If the turn signal should stay on after
making the turn, the turn signal and
corner-illuminating front fog lamp can be
switched off by returning the combination
switch to its original position.Driving in reverse
Switching on corner-illuminating front
fog lamps
Place the gearshift lever (automatic
transmission*: gear selector lever) in
positionR.
The front fog lamp opposite to your
steering direction comes on.
Switching off corner-illuminating front
fog lamps
Place the gearshift lever (automatic
transmission*: gear selector lever) out
of positionR.
The respective front fog lamp goes out.
Hazard warning flasher
The hazard warning flasher can be
switched on at all times, even with the
SmartKey removed from the starter
switch.
The hazard warning flasher switches on
automatically when an air bag deploys.
The hazard warning flasher switch is
located on the upper part of the center
console.
1Hazard warning flasher switch
iThere may be a brief delay before the
corner-illuminating front fog lamps switch off.

121 Controls in detail
Control system
Control system
The control system is activated as soon as
the SmartKey in the starter switch is
turned to position1. The control system
enables you to

call up information about your vehicle

change vehicle settings
For example, you can use the control
system to find out when your vehicle is
next due for service, to set the language
for messages in the instrument cluster
display, and much more.
The control system relays information to
the multifunction display.
Multifunction display
1Main odometer
2Trip odometer
3Current program mode
(automatic transmission* only)
4Status indicator (outside
temperature/digital speedometer)
5Current gear selector lever posi-
tion/gear range
(automatic transmission* only)
iThe displays for the audio systems (radio,
CD player) will appear in English, regardless of
the language selected.
Warning!G
A driver’s attention to the road and traffic
conditions must always be his/her primary
focus when driving.
For your safety and the safety of others, se-
lecting features through the multifunction
steering wheel should only be done by the
driver when traffic and road conditions
permit it to be done safely.
Bear in mind that at a speed of just
30 mph (approximately 50 km/h), your
vehicle is covering a distance of
44 feet (approximately 14 m) every second.

122 Controls in detail
Control system
Multifunction steering wheel
The displays in the multifunction display
and the settings in the control system are
controlled by the buttons on the multifunc-
tion steering wheel.
Depending on the selected menu, pressing
the buttons on the multifunction steering
wheel will alter what appears in the multi-
function display.
The information available in the multifunc-
tion display are arranged in menus and
accompanying functions or submenus.
The individual functions are then found
within the relevant menu (radio or CD
operations under
AUDIO, for example).
These functions serve to call up relevant
information or to customize the settings
for your vehicle.
1Multifunction display
Operating the control system
2Selecting the submenu or setting the
volume:
Press button
æup/to increase
çdown/to decrease
3Telephone*:
Press button
sto take a call
to dial
to redial
tto end a call
to reject an incoming call
4Moving within a menu:
Press button
jfor next display
kfor previous display
5Menu systems:
Press button
èfor next menu
ÿfor previous menu

123 Controls in detail
Control system
It is helpful to think of the menus, and the
functions within each menu, as being ar-
ranged in a circular pattern.

If you press buttonèorÿ re-
peatedly, you will pass through each
menu one after the other.

If you press buttonjork re-
peatedly, you will pass through each
function display, one after the other, in
the current menu.
In the
Settings menu, you will find a num-
ber of submenus instead of functions for
calling up and changing settings. For in-
structions on using these submenus, see
“Settings menu” (
page 136).
The number of menus available in the sys-
tem depends on which optional equipment
is installed in your vehicle.
iThe headings used in the menus table are
designed to facilitate navigation within the sys-
tem and are not necessarily identical to those
shown in the control system displays.
The first function displayed in each menu will
automatically show you which part of the system
you are in.iSLK 55 AMG:
The steering wheel in this vehicle will vary from
steering wheel shown. However, multifunction
steering wheel symbols and feature description
apply to AMG vehicles as well.