Tranny ECU reset
Thread Starter
Super Member
Joined: Jan 2002
Posts: 601
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From: NorCal - SF
Mercedes-Benz
Tranny ECU reset
Tried this tip from my E55 brothers on our ML55s. Both seem to respond a bit better. 
Anyone else want to give it a try 
Please post your results.
1. Turn the ignition key to the on (not start) position.
2. Press the gas pedal to the floor and hold for five seconds.
3. Turn the key to the "off" position (don't remove the key), then release the gas pedal.
4. Wait at least two minutes for ECU to reset.
the thread: https://mbworld.org/forums/w211-amg/148019-holy-crap-you-guys-sneaky-ecu-reset-works.html
Anyone else want to give it a try Please post your results.1. Turn the ignition key to the on (not start) position.
2. Press the gas pedal to the floor and hold for five seconds.
3. Turn the key to the "off" position (don't remove the key), then release the gas pedal.
4. Wait at least two minutes for ECU to reset.
the thread: https://mbworld.org/forums/w211-amg/148019-holy-crap-you-guys-sneaky-ecu-reset-works.html
MBWorld Fanatic!
Joined: Jan 2004
Posts: 5,939
Likes: 178
From: Seattle WA
99 E320
tranny isn't always perfect. periodically, it wants to hock a luggee and may
exhibit harsh down shifting. if end user has the ability to erase in the field
vs taking to dealer, this is a definite plus. also, one may periodically feel
the urge to test the performance characteristics of the car/engine/trans-
mission eg how low an ET. in other words, you're feeling your oats. having
the ability to clear is quick and easy.
in other words, it is not required action, but it can be overwhelming convenient,
under certain circumstances....and a huge time saver.
exhibit harsh down shifting. if end user has the ability to erase in the field
vs taking to dealer, this is a definite plus. also, one may periodically feel
the urge to test the performance characteristics of the car/engine/trans-
mission eg how low an ET. in other words, you're feeling your oats. having
the ability to clear is quick and easy.
in other words, it is not required action, but it can be overwhelming convenient,
under certain circumstances....and a huge time saver.
Thread Starter
Super Member
Joined: Jan 2002
Posts: 601
Likes: 0
From: NorCal - SF
Mercedes-Benz
Originally Posted by ///AMG55
why would you want to reset your tranny. Doesnt it have to go thru the whole learning process again?
Thread Starter
Super Member
Joined: Jan 2002
Posts: 601
Likes: 0
From: NorCal - SF
Mercedes-Benz
Originally Posted by MBfan89
would this work on all the ML 320 430 and 500 or only the 55
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MBWorld Fanatic!
Joined: Jan 2004
Posts: 5,939
Likes: 178
From: Seattle WA
99 E320
Originally Posted by ///AMG55
why would you want to reset your tranny. Doesnt it have to go thru the whole learning process again?
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