Mercedes-Benz 2008 S550 Operator's Manual page 275

Control systems
Instrument cluster control system
1 Gear indicator
2 RACETIMER
3 Seconds display
4 Lap
i
You can start the RACETIMER when the en-
gine is running or the starter switch is in
position 2 ( page 344).
i
While the RACETIMER is being displayed,
you cannot adjust the audio volume using but-
tons æ or ç.
Starting RACETIMER: Press æ.
Displaying intermediate time:
Press ç.
The intermediate time is shown for
5 seconds.
Stopping RACETIMER: Press æ.
274
To select a different display, press
$, ( or &.
i
When you stop the vehicle and turn the
Smartkey to position 1 ( page 344) or, in vehi-
cles with KEYLESS-GO*, turn off the engine and
do not open the driver's door, the RACETIMER
stops timing. Timing is resumed when you switch
the ignition back on or restart the engine and
then press æ button.
i
When you switch on the Night View Assist*
( page 461) while the RACETIMER is operating,
the RACETIMER will continue to run in the back-
ground but cannot be operated with the multi-
function steering wheel buttons.
To stop the RACETIMER, switch off the Night
View Assist* first.
Saving lap time and starting a new lap
i
You can save up to 16 laps.
Press button ç while the timer is
running.
The intermediate time will be shown for
5 seconds.
Press button ç within 5 seconds.
The intermediate time shown will be
saved as a lap time.
The RACETIMER begins timing the new
lap. The new lap begins to be timed as
soon as the intermediate time is called
up.
1 Gear indicator
2 RACETIMER
3 Best lap time