Illumination - Mercedes-Benz 2009 M-Class Operator's Manual

To dim instrument cluster illumination
1
Reset button
2
To brighten instrument cluster
3

illumination

Activating the instrument cluster
The instrument cluster is activated when you
open a front door
R
switch on the ignition
R
press reset button
2
R
switch on the exterior lamps
R
i Opening a front door or pressing the reset
button without switching on the ignition or
the exterior lamps activates the instrument
cluster illumination only for 30 seconds.
For information on changing the instrument
cluster settings, e.g. the language, see
( Y page 153).
Adjusting the instrument cluster
illumination
i The instrument cluster illumination is
dimmed or brightened automatically to suit
ambient light conditions.
The instrument cluster illumination will also
be adjusted automatically when you switch
on the vehicle's exterior lamps.
i With the exterior lighting switched on, the
brightness of the switches in the center
console will also be adjusted when using
button or 3.
1
X
To brighten illumination: Press and hold
button until the desired level of
3
illumination is reached.
X
To dim illumination: Press and hold
button until the desired level of
1
illumination is reached.
Controls in detail
Instrument cluster
Resetting trip odometer
X
Make sure you are viewing the standard
display ( Y page 144) in the multifunction
display.
X
Press and hold the reset button in the
instrument cluster ( Y page 138) until the
trip odometer is reset.
Tachometer
The red marking on the tachometer
( Y page 35) denotes excessive engine speed.
! Avoid driving at excessive engine speeds,
as it may result in serious engine damage
that is not covered by the Mercedes-Benz
Limited Warranty.
To help protect the engine, the fuel supply is
interrupted if the engine is operated within
the red marking.
Z
139