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Problems with the transmission
Problem Possible causes/consequences and M Solutions
The acceleration ability
is deteriorating.
The transmission no
longer changes gear.
The transmission is in emergency mode.
It is only possible to shift into 2nd gear and reverse gear.
X
Stop the vehicle.
X
Shift the transmission to position P.
X
Switch off the engine.
X
Wait at least 10 seconds before restarting the engine.
X
Shift the transmission to position D or R.
If D is selected, the transmission shifts into 2nd gear; if R is
selected, the transmission shifts into reverse gear.
X
Have the transmission checked at a qualified specialist
workshop immediately.
Releasing the parking lock manually
In the event of an electrical malfunction, it is
possible to release the selector lever lock
manually to move it out of position P, e.g. if
you wish to tow the vehicle away.
!
Do not use any sharp-edged objects to
remove the selector lever cover in the
center console. This can damage the
selector lever cover.
X
Depress the parking brake firmly.
X
Pry out selector lever gaiter : with a flat,
blunt object (e.g. a screwdriver wrapped in
cloth) from the right-hand edge, pulling it
up and out.
X
Press release button ; down and
simultaneously move the selector lever out
of position P.
The selector lever can now be moved freely
until it is returned to position P.
Transfer case
This section is only valid for vehicles with 4-
wheel drive (4MATIC). Power is always
transmitted to both axles.
!
Performance tests may only be carried
out on a 2-axle dynamometer. The brake
system or transfer case could otherwise be
damaged. Contact an authorized
Mercedes-Benz Center for a performance
test. Mercedes-Benz recommends that you
use an authorized Mercedes-Benz Center
for this purpose.
!
If the parking brake is being tested on a
brake dynamometer, the ignition must be
switched off (SmartKey or Start/Stop
button in position 0 or 1), as ESP
®
will
otherwise automatically intervene. The
brake system could otherwise be damaged.
144
Automatic transmission
Driving and parking
BA 204 USA, CA Edition A 2011; 1; 5, en-US
hereepe Version: 3.0.3.6
2010-05-20T09:17:30+02:00 - Seite 144