Post Graduate Education for your &22.6X Transmission
Greets. Thanx to "Nugent", an attachment he included had some wonderful info on "advanced" re-programming of the ECU, rather than the "Default" re-program.
On the W463, and the W140, the "Standard" re-programming worked fine, but on the W210, I have never been happy with the shift quality going from 1st into 2nd. Following this tutorial, you can "Customize" each gear shift to your liking. I'm not sure how applicable this is for the W463, but it's the same tranny, so if someone wants a different feel, then give it a go!
1- With and already "warmed-up" vehicle (ie. tranny fluid 80C), find a quiet strech of road and "Reset" the ECU by closing doors, turn key to position "2", hold the accelerator all the way to the floor and HOLD for AT LEAST 5 seconds. Turn key OFF, but DON'T take it out of the ignition. Also DON'T open doors. Wait AT LEAST 2 Minutes
2- Start the vehicle, and place gear selector in "1". While GENTLY accelerating, you move the selector to "2" when you feel the shift point is to your liking (gentle, or a little more "racy"), but it looks like for the 112, and 113 engines, keep it UNDER 2,400 RPM.
3- After 2nd gear engages, slow down, and put back into "1", and repeat the whole process all over again AT LEAST 10 TIMES!
4- Then, move selector to "2", and manually upshift to "3" when it suits your taste. Slow down, downshift to "2", and repeat times 10
Well you get the idea. Continue the whole process, all the way up to 4th to 5th jump, but from 3 to 5, you ONLY have to repeat 4-5 TIMES, each.
After the "Up shift" portion, practice the "Down Shift" portion with:
1- 5th to 4th downshifts, 4 or 5 TIMES, 4th to 3rd, 3 to 2, and 2nd to 1st also 4 or 5 TIMES.
Sorry folks, but I left out one IMPORTANT step:
When you are done re-programming, YOU HAVE TO KEEP THE ENGINE RUNNING FOR AT LEAST 10 MINUTES, otherwise, the programming will not be memorized.
The whole process yields a MUCH more "Custom Tailored" shifting scheme. Apparently, this is because each shift module has SEPARATE training logic.
Hope this helps someone else.
Last edited by G-AMG : 07-15-2008 at 06:10 AM.
Reason: Forgot one step
not just reset it in your driveway using the tcm reset to factory default settings?
The transmission is adaptive and will reprogram or adapt to your driving style in a matter of days ,so going through several cycles to change shift points below 2400 rpm seem a little counter productive.Most people I teach how to reset the tcm like the instant revival the car feels and do it whenever they feel the need to sharpen things up a bit.Another reason why real Mercedes mechanics do not use snapon diagnostics
Start from the factory baseline and let your driving style set the adaptations.
ohlord
to adapt the 722.6 properly the un snapon way
Place transmission shift lever in lowest gear, lightly accelerate to the 2400 RPM limit(2400 rpm is needed to generate the torque the transmission needs to set the values) and
back to idle condition. Perform this 4 times.
Place shift lever in next gear position and perform the same procedure as above. After the last gear selected position is performed, bring vehicle to a stop and allow to
idle in PARK position for at least 10 minutes
without doing the last step which snapon left out of their post graduate procedure the transmission will not accept the new parameters and all that driving and shifting and driving and shifting and driving and shifting will be for naught.
Using the default key in the ignition reset procedure with the doors closed and the climate control off is faster,and when done properly shows immediate results . Unlike the drive adapt procedure you do not have to hook the car up to the SDS to do the diagnostics to see if the transmission adaptations set properly.You need only step on the gas to prove that it worked.
as this happy member can attest
" RE: make your E Class accelerate as soon as you push th...
Schnezza
New MBF Member
Joined: 9/15/2007
THIS WORKS LIKE A GOOD KICK UP THE ASS. I JUST READ THIS TODAY AND WENT OUT AND DID IT. MY 99 E430 IS LIKE A BRAND NEW CAR. THE TRANSMISSION SHIFTS FIRMER AND THROTTLE RESPONSE IS IMMEDIATE. I KNOW IT DOESN'T GIVE YOU MORE HORSESPOWER, BUT IF SOMEONE TOOK MY CAR AWAY AND SAID THEY PUT IN A BIGGER CHIP OR SOME OTHER SNAKE OIL TREATMENT, I WOULD HAVE BELIEVED THEM BECAUSE I CAN FEEL AN EXTRA 30 HORSEPOWER, SO TO SPEAK. WAKE YOUR V8 E KLASSE UP GUYS.
ANOTHER GREAT RESPONSE FROM OHLORD."
722.6 education.
Don't you just love the cop out from MBUSA.
In this TSB
"GROUP 27 -ALL MODELS WITH TRANSMISSION 722.6:
Please check the transmission selector lever switch before replacing a valvebody
or control module for a transmission shift complaint. Diagnostic code 114 may
not set for intermittent contact, therefore it is very important that the HHT is
connected before the first start. The technician should view the Actual Values
screen and note the value while driving and manually shifting.
If the shift selector actual value reads "F", then it is defective and should be
replaced. The DTC can then be viewed but will erase with the next key cycle. A
similar complaint of no shifting or late shifting may occur if any form of liquid
contaminates the switch. Liquid contamination is not a warrantable defect."
Now they are trying to woo us back with fancy commercials in the summer of Love event.How about facing up to a serious defect and making good on it.
That would get more results from the legions of former owners that left the make.
Might even get me to consider getting a Black Arrow 0-186mph in 24 flat
722.6 education.
Don't you just love the cop out from MBUSA.
In this TSB
"GROUP 27 -ALL MODELS WITH TRANSMISSION 722.6:
Please check the transmission selector lever switch before replacing a valvebody
or control module for a transmission shift complaint. Diagnostic code 114 may
not set for intermittent contact, therefore it is very important that the HHT is
connected before the first start. The technician should view the Actual Values
screen and note the value while driving and manually shifting.
If the shift selector actual value reads "F", then it is defective and should be
replaced. The DTC can then be viewed but will erase with the next key cycle. A
similar complaint of no shifting or late shifting may occur if any form of liquid
contaminates the switch. Liquid contamination is not a warrantable defect."
Now they are trying to woo us back with fancy commercials in the summer of Love event.How about facing up to a serious defect and making good on it.
That would get more results from the legions of former owners that left the make.
Might even get me to consider getting a Black Arrow 0-186mph in 24 flat
Ohlord, Yes, My Boo-Boo, leaving out such an important step of "Waiting 10 Minutes". I realized it in my sleep last night, and corrected this a.m.
The reason I did the more "complicated" method was the E320 still didn't have the "feel" I was looking for, even after MULTIPLE attempts at the "Default" Reset method.
not just reset it in your driveway using the tcm reset to factory default settings?
The transmission is adaptive and will reprogram or adapt to your driving style in a matter of days ,so going through several cycles to change shift points below 2400 rpm seem a little counter productive.Most people I teach how to reset the tcm like the instant revival the car feels and do it whenever they feel the need to sharpen things up a bit.Another reason why real Mercedes mechanics do not use snapon diagnostics
So ohlord....to reset it 'normally' one would simply -
""Reset" the ECU by closing doors, turn key to position "2", hold the accelerator all the way to the floor and HOLD for AT LEAST 5 seconds. Turn key OFF, but DON'T take it out of the ignition. Also DON'T open doors. Wait AT LEAST 2 Minutes"
Is this correct? Going to give it a try myself...TIA.
off,doors closed,radio off.Turn key to on position(not start) just to the position that all the lights are lit up on the dash.Press your foot to the gas pedal to the floor.(the reason you don't want it running)Hold for 10-20 seconds,turn key off with foot still on the floor,now slowly lift off the pedal and sit for two minutes before removing the key and exiting the car.Then when tempted go for a ride
This procedure will set the factory shift points and rpm in the TCM to crisp settings.The harder you drive the car the less noticeable the change,but most people with a v8 will really get a charge out of the instant tune up.,a v6 will feel like chirping the tires.
ohlord
10 minutes wait on the custom program It's easier to reprogram my Toshiba portege 3500
Linear Mode
