Mercedes-Benz 2005 M-Class Operator's Manual page 241

Continue to hold knob 1.
After approximately ten seconds a sig-
nal sounds, and the display shows the
distance to the next maintenance ser-
vice due for approximately
ten seconds.
Release knob 1.
i
If the maintenance service indicator
was inadvertently reset, have a
Mercedes-Benz Light Truck Center cor-
rect it.
Only reset if the proper maintenance
service has been performed. Resetting
the system without performing the
proper service as called for by the
maintenance service indicator will re-
sult in engine damage and/or other ve-
hicle damage not covered by the
Mercedes-Benz Limited Warranty.
Operation
Maintenance
239