Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help




Go Back   PeachParts Mercedes ShopForum > Technical Information and Support > Tech Help

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 12-22-2003, 06:14 AM
julian winston
Guest
 
Posts: n/a
auto transmission query

This seemed like the place to ask...
Just got my first Mercedes-- a 1997 SLK 200.
The instruction manal seems to suggest that the transmission can "learn" your driving style and will shift when most appropriate. Is that correct? It can learn?
Just wondering if I understood it correctly.

JW
in sunny NZ
Reply With Quote
  #2  
Old 12-22-2003, 08:52 AM
Moderator
 
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
Adaptation is what it is called. Most of what it does is adjust the shift pressures to achieve ideal shifts. It does this by deciding how aggressively one is driving and by altering the fill times through changes of shift pressure.

The actual mechanical element in the trans that causes the gear change is usually a clutch. The amount of time it takes to engage is monitored by calculating the gear ratios from the output speed sensors and evaluating the time spent at intolerable ratios (partial engagement).

There are many strategies built into the various shift maps all decided by computer. There is network communications with other controllers to add to the variables. It uses data from wheel speed from the traction cointroller to modify the shift map if the car is cornering as an example. It uses engine temp,speed, and load to vary other maps.
__________________
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On




All times are GMT -4. The time now is 10:49 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2011 Pelican Parts - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page