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151
Controls in detail
Instrument cluster
To brighten illumination
̈ Turn the reset button 1 in the instru-
ment cluster clockwise.
The instrument cluster illumination will
brighten.
To dim illumination
̈ Turn the reset button 1 in the instru-
ment cluster counterclockwise.
The instrument cluster illumination will
dim.
Coolant temperature indicator
During severe operating conditions, e.g.
stop-and-go traffic, the coolant tempera-
ture may rise close to 248°F (120°C).
The engine should not be operated with
the coolant temperature above 248°F
(120°C). Doing so may cause serious en-
gine damage which is not covered by the
Mercedes-Benz Limited Warranty.
Trip odometer
Make sure you are viewing the trip odome-
ter display (
୴ page 153).
̈ If it is not displayed, press button è
or ÿ repeatedly until the trip
odometer appears.
̈ Press and hold the reset button 1
(
୴ page 150) until the trip odometer is
reset.
Warning! G
ț Driving when your engine is overheated
can cause some fluids which may have
leaked into the engine compartment to
catch fire. You could be seriously
burned.
ț Steam from an overheated engine can
cause serious burns and can occur just
by opening the hood. Stay away from
the engine if you see or hear steam com-
ing from it.
Turn off the engine, get out of the vehicle
and do not stand near the vehicle until the
engine has cooled down.
i
Excessive coolant temperature trigger
a warning in the multifunction display
(
୴ page 379).