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Automatic transmission
128
Upshift indicator
1
Current gear
2
Upshift indicator
In manual program mode M, upshift indicator
2 in the multifunction display advises you to
upshift before the engine reaches the
overspeed range. Thus you can drive at the
maximum engine speed for each gear without
overrevving the engine.
X
Shift the automatic transmission from
current gear 1 into the next higher gear.
The fuel supply will otherwise be
interrupted to prevent the engine from
overrevving.
Downshifting
G
Warning!
On slippery road surfaces, never downshift
in order to obtain braking action. This could
result in drive wheel slip and reduced
vehicle control. Your vehicle’s ABS will not
prevent this type of loss of control.
X
Briefly press the gear selector lever to the
left in the D- direction.
or
X
Briefly pull left gearshift control 1
(Y page 126).
The automatic transmission shifts into the
next lower gear.
i
For maximum acceleration, press and
hold the gear selector lever to the left in the
D- direction or pull and hold the left
gearshift control. Depending on the engine
speed the automatic transmission selects
the optimal gear for maximum
acceleration.
i
When you brake or stop, the automatic
transmission shifts down into a gear from
which you can easily accelerate or take off.
Kickdown
Using the kickdown when driving in manual
program mode M is not possible.
Deactivating manual shift program
X
Press the program mode selector switch
repeatedly until C or S appears in the
multifunction display.
or
X
Restart the engine.
The automatic transmission will go to
automatic program mode (C or S).
Manual program mode M is not stored.
Emergency operation (limp-home
mode)
If vehicle acceleration becomes less
responsive or sluggish or the automatic
transmission no longer shifts, the automatic
transmission is most likely operating in limp-
home (emergency operation) mode. In this
mode only second gear and reverse gear R
can be selected.
X
Stop the vehicle in a safe location.
X
Shift the automatic transmission into park
position P.
Controls in detail