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Controls in detail
Automatic transmission
Upshifting
!
In the manual program mode M, the
transmission will not upshift, even if
the engine has reached its overrevving
range. Shift up to the next gear before
the engine has reached its overrevving
range. Make absolutely certain that the
engine speed does not reach the red
marking on the tachometer
( page 24). Otherwise the engine
could be damaged which is not covered
by the Mercedes-Benz Limited
Warranty.
Briefly press the gear selector lever to
the right in the D+ direction
( page 174).
or
Press button 2 on the right side of the
steering wheel ( page 179).
The transmission shifts to the next
higher gear.
184
If, instead of the manual program mode
, the p symbol appears in
symbol
M
the multifunction display ( page 172),
shift to the next higher gear. The fuel
supply will otherwise be interrupted to
prevent the engine from overrevving.
Kickdown
Using the kickdown when driving in the
manual program mode M is not possible.
Deactivating manual shift program
Press the program mode selector
switch ( page 177) repeatedly until
C
or
S
appears in the multifunction dis-
play.
or
Restart the engine.
The transmission will go to the
automatic program mode (C or S).
The manual program mode M is not
stored.
Emergency operation
(Limp Home Mode)
If vehicle acceleration worsens or the
transmission no longer shifts, the trans-
mission is most likely operating in limp
home (emergency operation) mode. In this
mode only second gear and reverse gear
can be activated.
Stop the vehicle.
Move gear selector lever to P.
Turn off the engine.
Wait at least ten seconds before
restarting.
Restart the engine.
Move gear selector lever to position D
(for second gear) or R.
Have the transmission checked at an
authorized Mercedes-Benz Center as
soon as possible.
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