2012 MERCEDES-BENZ SL550 lumbar support

License plate lamps
Messages in the multifunction
display ........................................... 251
Replacing bulbs ............................. 272
Light alloy wheels, cleaning ............. 220
Lighter see Cigarette lighter
Lighting ................................................ 89
Daytime running lamp mode ............90
Exterior ............................................ 89
Interior ............................................. 94
Limp-home mode .............................. 111
Load assist ......................................... 164
Load index (tires) ...................... 201, 206
Locator lighting ................................. 125
Lock button
Outside door handle (KEYLESS-
GO) .................................................. 71
Locking the vehicle
KEYLESS-GO .................................... 69
Manually ........................................ 269
SmartKey ......................................... 68
Loss of
Key .................................................. 72
Service and Warranty Information
booklet .......................................... 294
Low-beam headlamps ......................... 90
Exterior lamp switch ........................89
Switching on .................................... 90
Lubricants .......................................... 303
Luggage cover ................................... 158
Lumbar support ................................... 81
M
Maintenance ........................................ 20
Maintenance System
Service indicator display ................214
Service indicator message .............214
Service term exceeded ..................214
Manual headlamp mode (Low-
beam headlamps) ................................ 90
Manual shift program ....................... 109
Maximum engine speed see Vehicle specification
Maximum loaded vehicle weight ..... 206
Maximum load rating (tires) ............. 206
Maximum permissible tire
inflation pressure .............................. 206
Mechanical key see Key, Mechanical
Media interface ................................. 162
Memory function ................................. 88
Menus see Control system menus
Mirrors .................................................. 86
Auto-dimming rear view mirrors ....... 86
Exterior rear view mirror parking
position ............................................ 87
Exterior rear view mirrors ................86
Interior rear view mirror ...................86
Memory function .............................. 88
Power-folding exterior rear view
mirrors ............................................. 88
Vanity mirror .................................. 165
MOExtended system ......................... 283
MOExtended tires ..................... 283, 300
MON (Motor Octane Number) .......... 307
Motor Octane Number see MON
Multicontour seat ................................ 82
Multifunction display ........................ 114
Symbol messages ..........................237
Text messages ............................... 227
Vehicle status messages ...............226
Multifunction display messages
ABC (Active Body Control) .............231
ABS ................................................ 227
Active headlamps .......................... 249
Advanced TPMS ..................... 234, 253
Air bags ......................................... 229
Alternator ...................................... 247
Automatic transmission .................234
Battery ........................................... 247
Brake fluid ..................................... 239
Brake pads ..................................... 238
Check engine ................................. 244
Coolant .......................................... 244
Corner-illuminating lamps ..............252
Cruise control ................................ 232
Distronic ........................................ 232
Doors ............................................. 241
Easy-entry/exit feature .................. 243
Engine oil ....................................... 247
Engine service ............................... 244Index11230_AKB; 6; 22, en-USd2ureepe,Version: 2.11.8.12009-07-28T18:49:58+02:00 - Seite 11

Seat adjustment
! When moving the seats, make sure there
are no items in the footwell or behind the
seats. Otherwise, you could damage the
seats and/or the items.
Power seats
iThe memory function (Y page 88) lets
you store the settings for the seat position
together with the settings for the steering
wheel and the exterior rear view mirrors.
XSeat fore and aft adjustment: Press the
switch forward or backward in direction of
arrow A.
iWhen moving the seat fore or aft, the head
restraints may readjust automatically.
XSeat height: Press the switch up or down
in direction of arrow ;.
XSeat cushion tilt: Press the switch up or
down in direction of arrow = until your
upper legs are lightly supported.
XSeat cushion depth: Press the switch
forward or backward in direction of
arrow ? until your legs are supported
comfortably.
XSeat backrest tilt: Press the switch
forward or backward in direction of arrow
B.
XHead restraint height: Press the switch
up or down in direction of arrow :.Moving the seats forward and
backward
You can move the seats forward and
backward to facilitate loading and unloading.
GWarning!
When moving the seats, make sure no one can
be caught by them. Never place hands under
seat or near any moving parts during a seat
adjustment procedure. To stop the seat from
moving when potential danger exists:
RPress the switch once more.
RMove the seat adjustment switch on the
door.
! When moving the seats, make sure there
are no items in the footwell or behind the
seats. Otherwise, you could damage the
seats and/or the items.
XMoving the seat forward: Press switch
at : and release.
The seat moves forward automatically.
XMoving the seat backward: Press switch
at ; and release.
The seat moves backwards to its previous
position automatically.
Lumbar support
You can adjust the contour of the seat’s
lumbar support to help enhance support to
your spine.
Seats81Controls in detail230_AKB; 6; 22, en-USd2ureepe,Version: 2.11.8.12009-07-28T18:49:58+02:00 - Seite 81Z

XSwitch on the ignition.XSet the lumbar support with
thumbwheel : between 0 and 5.
Multicontour seat
The multicontour seat backrest has inflatable
air cushions built into the seat backrest to
provide additional lumbar and side support.
The seat backrest cushion height and
curvature can be continuously varied with
switches on the lower left side (driver’s seat)
or the lower right side (passenger seat) of the
seat when the ignition is switched on.
XSwitch on the ignition.XShoulder region support: Press W or
X on switch :.
The air cushion inflates or deflates.
XLumbar region support: Press * or
& on rocker switch ?.
This selects the air cushion you wish to
adjust.
XPress W or X on rocker switch ?.
The air cushion inflates or deflates.
XSide bolsters adjustment: Press
switch ; to the right or left.
The lateral support increases or decreases.
Massage function (PULSE)
You can reduce muscle tension during long
trips by periodically using the massage
function.
XPress button =.
The indicator lamp in the button comes on.
The air cushions in the lumbar region inflate
and deflate rhythmically.
iThe massage function switches off
automatically after approximately
8 minutes. The indicator lamp goes out.
Seat ventilation
The blue indicator lamps in seat ventilation
switch : come on to show which ventilation
level you have selected.
iThe seat ventilation for the driver’s seat
can be activated using the summer opening
feature (Y page 157).
XSwitch on the ignition.XSwitching on: Press seat ventilation
switch :.
Three blue indicator lamps in seat
ventilation switch : come on.
82SeatsControls in detail
230_AKB; 6; 22, en-USd2ureepe,Version: 2.11.8.12009-07-28T18:49:58+02:00 - Seite 82

Power-folding exterior rear view
mirrors
This feature is only available in Canada
vehicles.
! Before you drive the vehicle through an
automatic car wash, fold in the exterior rear
view mirrors. Otherwise they may get
damaged.
Folding in and out automatically
The function must be activated in the
Convenience submenu (Y page 127).
The exterior rear view mirrors fold in
automatically as soon as the vehicle is locked
from the outside.
The exterior rear view mirrors fold out
automatically as soon as the vehicle is
unlocked and the driver’s or front passenger
door is subsequently opened.
Synchronizing
The power-folding rear view mirrors may have
to be synchronized after the vehicle battery
has been disconnected or discharged. If the
exterior rear view mirrors do not fold properly
upon locking or unlocking the vehicle, do the
following:
XMake sure the power-folding function in the
control system is activated (Y page 127).
XFold each exterior rear view mirror out
completely (Y page 88).
When the exterior rear view mirrors fold
properly upon locking the vehicle, the exterior
mirrors are synchronized. Otherwise repeat
the above steps.
Folding in and out manually
The exterior rear view mirrors can vibrate if
they are not folded out completely.
XFolding in: Briefly press button :.
Both exterior rear view mirrors fold in.
iAt speeds above approximately 60 mph
(100 km/h), you will not be able to fold the
exterior mirrors in.
Memory function
Notes
With the memory function you can store up
to three different configurations per front
seat.
Each memory position button on the driver’s
side can store all of the following settings:
RSeat position and lumbar support
RSteering wheel position
RExterior rear view mirrors’ position
GWarning!
Do not activate the memory function while
driving. Activating the memory function while
driving could cause the driver to lose control
of the vehicle.
Each memory position button on the
passenger side can store all of the following
settings:
RSeat position and lumbar support
RMulticontour seat: previously saved
settings
88Memory functionControls in detail
230_AKB; 6; 22, en-USd2ureepe,Version: 2.11.8.12009-07-28T18:49:58+02:00 - Seite 88