Mercedes-Benz S-Class 2009 - Manual (Page 248)

Instrument cluster control system
246
If the engine reaches the overspeed range in
the manual shift program, you will see
up next
to gear indicator 1 as a reminder to upshift.
Use buttons % or $ to select the
following functions in the AMG menu:
R RACETIMER ( Y page 246)
R Overall analysis ( Y page 247)
R Lap analysis ( Y page 247)
RACETIMER
G Warning!
The RACETIMER feature is only for use on
roads and in conditions where high speed
driving is permitted. Racing on public roads
is prohibited under all circumstances and
the driver is and must always remain
responsible for following posted speed
limits.
The RACETIMER allows you to time and save
driving stretches.
X Press button ( or & to select the
AMG menu.
X Press $ to select the RACETIMER.
1 Gear indicator
2 Seconds display
3 RACETIMER
4 Lap
You can start the RACETIMER when the
engine is running or the starter switch is in
position
2 ( Y page 307).
While the RACETIMER is being displayed, you
cannot adjust the audio volume using buttons
æ or ç .
X Starting: Press button æ .
X Displaying intermediate time: Press
button ç while the timer is running.
The intermediate time is shown for
5 seconds.
X Stopping: Press button æ .
When you stop the vehicle and turn the
SmartKey to position
1 ( Y page 307) or, in
vehicles 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 button
æ .
When you switch on the Night View Assist
(
Y page 390) while the RACETIMER is
operating, the RACETIMER will continue to
run in the background but cannot be operated
with the multifunction steering wheel
buttons.
To stop the RACETIMER, switch off the Night
View Assist first.
Saving lap time and starting a new lap
You can save up to 16 laps.
X Press button ç while the timer is
running.
The intermediate time will be shown for
5 seconds.
X 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.
Control systems