2007 MERCEDES-BENZ SL55AMG ignition

358 Practical hintsWhat to do if …Left display
Right display
Possible cause/consequence
Possible solution
Front passenger
airbag
disabled
See Oper. Manual
The passenger front air bag is
deactivated while driving even
though an adult or someone
larger than a small individual is
occupying the front passenger
seat. Forces acting on the seat
may make the system sense a
decrease in weight.
Stop the vehicle in a safe location as soon as possible and
check the front passenger seat for the following:
Switch off the ignition (
page 39).

Have the passenger vacate the seat and exit the vehicle.

Keep the seat unoccupied, close the passenger door and
switch on the ignition (
page 39).
Monitor the 5/indicator lamp between the center air
vents (
page 76) and the multifunction display in the instru-
ment cluster (
page 139) for the following:
(Continued on next page)

359 Practical hints
What to do if …
Left display
Right display
Possible cause/consequence
Possible solution
Front passenger
airbag
disabled
See Oper. Manual
With the seat unoccupied and the ignition switched on,

the 5/indicator lamp between the center air
vents should illuminate and remain illuminated, indicating
that the OCS (
page 72) has deactivated the air bag.


the message Front passenger airbag enabled See Oper.
Manual or the message Front passenger airbag disabled
See Oper. Manual should not appear in the multifunction
display at any time the seat is unoccupied. Wait at last
60 seconds for the system to complete the necessary
check cycles and to make sure neither message appears
in the multifunction display.
If above conditions are met, you can occupy the passenger
seat again. Depending on the passenger classification
sensed by the OCS (
page 72), the 5/indicator
lamp will remain illuminated or go out.
If above conditions are not met, the system is not working
properly. Have the system checked as soon as possible by an
authorized Mercedes-Benz Center.
Warning!
G
If the 5/indicator lamp remains
illuminated with an adult occupant on the
passenger seat even after performing the
above corrective steps, do not have any
passenger use the passenger seat until the
system has been repaired.

374 Practical hintsWhat to do if …Left display
Right display
Possible cause/consequence
Possible solution
Check doors
2
You are attempting to drive with
one or more doors open.

Close the doors.
Vehicles with KEYLESS-GO*:
You are pressing the lock button on
the door handle and at least one
door is open.
±
Visit
workshop
Certain electronic systems are un-
able to relay information to the con-
trol system. The following systems
may have failed:

Coolant temperature gauge


Tachometer

Have the electronic systems checked by an
authorized Mercedes-Benz Center
(page 336).
Engine
Service
There may be a malfunction in the

fuel injection system


ignition system


exhaust system


fuel system

Have the engine checked as soon as possible
by an authorized Mercedes-Benz Center
(page 336).

459 Index
H
Hard plastic trim items, cleaning 328
Hardtop see Retractable hardtop
Hazard warning flasher 133
Head restraints 44
Headlamp switch-off delay see Delayed
switch-off, exterior lamps
Headlamps
Automatic mode 129
Cleaning lenses 325
Cleaning system 180
Manual mode 129
Messages in the multifunction
display 380
Replacing bulbs 397
Switch 55, 128
Headliner, cleaning 329
Head-thorax air bag 72
Heated steering wheel* 240
High beam flasher 56, 133
High beam headlamps 56, 128, 398
Indicator lamp 29
Messages in the multifunction
display 380
Replacing bulbs 397, 400
Switching on 133High mounted brake lamp 398
High-performance brake system
(AMG vehicles only) 262
Hood 274
Messages in display 377
Opening 274
Horn 25
HVAC see Automatic climate control
Hydroplaning 264
I
Identification labels 430
Identification number, Vehicle (VIN) 431
Ignition 40
Immobilizer 96
Indicator lamps see Lamps, indicator and
warning
Infant and child restraint systems 83
Infant and child restraint systems see
Children in the vehicle
Inflation pressure see
Tires, Inflation pressure
Inside door handle 111Instrument cluster 26, 136
Illumination brightness 136
Lamps 332
Language 156
Messages in the multifunction
display 26, 347
Multifunction display 139
Instrument lighting see Instrument cluster,
Illumination brightness
Instrument panel see Instrument cluster
Instruments and controls see Cockpit
Interior lighting 134
Delayed switch-off 161
Interior rear view mirror 48
Antiglare position 180
Auto-dimming 180
J
Jack 389
Jacking up the vehicle 406
Jump starting 419