Mercedes-Benz 2003 SL 500 Operator's Manual page 98

Controls in detail
Seats
Vehicles with seat ventilation*
The switch is located on the door. The red
indicator lamps on the switch show the
heater level selected:
Seat heater off No indicator lamp on
Level 1 One indicator lamp on
Level 2 Two indicator lamps on
1 Seat heater switch
Make sure the ignition is switched on.
All the lamps in the instrument cluster
light up.
98
Switching on the seat heater
Press upper switch position 1 twice.
A red indicator lamp on the switch
lights up.
Switching off the seat heater
Press upper switch position 1 again.
i
The seat heater will be automatically
switched off after approximately
30 minutes.
Rapid seat heating
Press upper switch position 1 once.
Both indicator lamps on the switch light
up.
i
The system switches over to normal
heating mode after approximately five
minutes. Only the right-hand indicator
lamp remains lit.
Switching off rapid seat heating mode
Press upper switch position 1 twice.
!
If one or both of the lamps on the seat
heater switch are blinking, there is in-
sufficient voltage available since too
many electrical consumers are turned
on. The seat heater switches off auto-
matically.
The seat heater will switch back on
again automatically as soon as suffi-
cient voltage is available.