Mercedes-Benz SL 550 BlueEFFICIENCY, Operator'S Manual

Page: 102 / 572

Adjusting the active multicontour
seat
You can set the active the active multicontour
seat using COMAND (
Y
page 287).
Adjusting the 4-way lumbar support
You can adjust the 4-way lumbar support
using COMAND (
Y
page 287).
Switching the seat heating on/off
Activating/deactivating
The three red indicator lamps in the button
indicate the heating level you have selected.
The system automatically switches down
from level
3 to level 2 after approximately
eight minutes.
The system automatically switches down
from level
2 to level 1 after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level
1.
You can set the distribution of the heated
sections of the seat cushion and backrest
using COMAND (
Y
page 288).
X
Make sure that the SmartKey is in position
1 or 2 in the ignition lock.
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.
Problems with the seat heating
The seat heating has switched off
prematurely or cannot be switched on. The
vehicle's electrical system voltage is too low
because too many electrical consumers are
switched on.
X
Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
Switching the seat ventilation on/off
Activating/deactivating
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
X
Make sure that the SmartKey is in position
2 in the ignition lock.
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 If you open the roof with the SmartKey
(
Y
page 88), the seat ventilation of the
driver's seat switches on automatically and
the side windows open.
100
Seats
Seats, steering wheel and mirrors