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Program Mode Selector Switch
The transmission is provided with a
selector switch for Standard "S" and
Winter/Wet (snow and ice) "W"
program modes.
Important!
Always be certain of the program
mode selected since the vehicle
driving characteristics change with
the selection of the program mode.
S Standard mode
Press switch on symbol "S". Use
this mode for all regular driving.
The vehicle starts out in 1st
gear.
W Winter/Wet (snow and ice) mode
Press switch on symbol "W". The
vehicle starts out in 2nd gear, except
with selector lever in 1 st gear, or
with accelerator pedal in kick-down
position.
The "W" mode helps to improve
traction and driving stability of the
vehicle.
With hard acceleration the upshifts
occur at lower vehicle and engine
speeds than in the "S" program mode.
Caution!
Never change the program mode when
the selector lever is out of position "P".
It could result in a change of driving
characteristics for which you may not be
prepared.
Emergency Operation (Limp Home
Mode)
If vehicle acceleration worsens, or the
transmission no longer shifts, the
transmission is most likely operating in
Limp Home Mode which engages when
there is a malfunction at the
transmission. This condition may be
accompanied by the "CHECK
ENGINE" malfunction indicator lamp in
the instrument cluster coming on.
In this mode only the 2nd gear or reverse
gear can be activated.
To engage 2nd gear or reverse:
1. Stop the vehicle.
2. Move selector lever to position "P".
3. Turn off the engine.
4. Wait 10 seconds.
5. Restart the engine,
6. Move selector lever to position "D"
(for 2nd gear), or move selector lever
to position "R" (for reverse gear).
Have the transmission checked at your
authorized Mercedes-Benz dealer as
soon as possible.