Mercedes-Benz 2008 M-Class Operator's Manual page 57

Getting started
Driving
KEYLESS-GO start/stop button
1 USA only
2 Canada only
Make sure KEYLESS-GO start/stop
button 1 is inserted in the starter
switch ( page 41).
i
If you wish to start the engine using the
SmartKey instead of the KEYLESS-GO feature,
remove the KEYLESS-GO start/stop button from
the starter switch ( page 41).
For information on turning off the engine
with KEYLESS-GO, see "Turning off with
KEYLESS-GO*" ( page 67).
56
Gasoline engine
Make sure the automatic transmission
is set to P.
The transmission position indicator in
the multifunction display should be
on ( page 147).
P
Depress the brake pedal during the
starting procedure.
Do not depress the accelerator.
Press KEYLESS-GO start/stop
button 1 once.
The engine starts if the SmartKey with
KEYLESS-GO is in the vehicle.
Diesel engine
Make sure the automatic transmission
is set to P.
The transmission position indicator in
the multifunction display should be
on .
P
Depress the brake pedal during the
starting procedure.
Do not depress the accelerator.
Press KEYLESS-GO start/stop
button 1 once.
The engine preglows and starts if the
SmartKey with KEYLESS-GO is in the
vehicle.
i
If the engine is at operating temperature,
the time the engine needs to preglow is reduced.