Mercedes-Benz M-Class 2009 Owners Manual - Manual (Page 149)

Control system
147
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 94) 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 the
æ
button.
Saving lap time and starting a new lap
You can save up to nine 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.
1 Gear indicator
2 RACETIMER
3 Best lap time
4 Lap number
Resetting current lap
X Press button æ while the timer is
running.
The timer stops.
X Press button ç .
The lap time is reset to “0”.
Deleting all laps
It is not possible to delete a single saved lap.
When you turn off the engine, the RACETIMER
will be reset to “0” after 30 seconds. All laps
are deleted.
X Press button æ while the timer is
running.
The timer stops.
X Press the reset button in the instrument
cluster twice (
Y page 32).
X Press button æ .
The timer starts. The saved laps are
deleted.
Overall analysis
This function is only available if you have
saved at least one lap and have stopped the
RACETIMER.
X Press button è or ÿ repeatedly until
the AMG menu appears in the
multifunction display.
X Press button j repeatedly until the
overall analysis appears in the
multifunction display.
Controls in detail
Z