Automatic transmission 9G-TRONIC 725.0 System description – This printout will not be recorded by the update service. Status: 06 / 2013 –1 System description | Automatic transmission 9G-TRONIC 725.0 Mercedes-Benz Ser vice Daimler AG · Technical Information and Workshop Equipment (GSP/OR) · D-70546 StuttgartSystem description Automatic transmission 9G-TRONIC 725.0 – This printout will not be recorded by the update service. Status: 06 / 2013 –2 System description | Automatic transmission 9G-TRONIC 725.0Information and copyright Product Portfolio You can also find comprehensive information on our complete product portfolio in our Internet portal: Link: http://aftersales.mercedes-benz.com Questions and suggestions If you have any questions or suggestions concerning this product, please write to us. Email: customer.support@daimler.com Fax: +49 (0) 69-95 30 73-76 © 2013 by Daimler AG This document, including all its parts, is protected by copyright. Any further processing or use requires the previous written consent of Daimler AG, Department GSP/OR, D-70546 Stuttgart. This applies in particular to reproduction, distribution, alteration, translation, microfilming and storage and/or processing in electronic systems, including databases and online services.Image no. of title image: P27.00-2391-00 Image no. Poster: P27.10-2501-00 Order no. of this publication: HLI 000 000 12 33 – This printout will not be recorded by the update service. Status: 06 / 2013 –3 System description | Automatic transmission 9G-TRONIC 725.0Contents Preface 4 Over all system Over view 5 Sectional vie w 6 Block diag ram 8 Tec hnical data 10 Hydraulic diag ram 11 Subsys tems Electroh ydraulic control 13 Shift val ve housing and valve block 17 Cov er/shift valve housing 18 Rpm sensor sys tem 19 Po wer transmission/power flow 21 Upshift and do wnshift 23 Oil supply 24 Driv er information 26 Limp-home mode 28 Sys tem components Tor que converter 29 Tor que converter lockup clutch 31 Planet ary gear set 32 Multidisk clutch 34 Multidisk brak e 35 Par k pawl 36 Par k pawl control 38 Tr ansmission oil cooling 43 Electric tr ansmission oil pump 44 Oil pan and oil filter 46 Service Inf ormation Flashing 47 Special t ools Special tools 48 Questions and answ ers Questions about t he 9G-TRONIC 725.0 automatic transmission 50 Annex Abbr eviations 52 Inde x 53 – This printout will not be recorded by the update service. Status: 06 / 2013 –4 System description | Automatic transmission 9G-TRONIC 725.0Preface Dear Reader, This system description presents the new automatic trans-mission 9G-TRONIC 725.0. The purpose of this brochure is to acquaint you with the technical highlights of this new transmission in advance of its market launch. This brochure is intended to provide information for people employed in service or maintenance/repair as well as for after-sales staff. It is assumed here that the reader is already familiar with the Mercedes-Benz transmissions currently on the market. In terms of the contents, the emphasis in this system de- scription is on presenting new and modified components and systems. This system description is not intended as an aid for repairs or for the diagnosis of technical problems. For such needs, more extensive information is available in the Workshop Infor-mation System (WIS) and Xentry Diagnostics. WIS is updated continuously. Therefore, the information available there reflects the latest technical status of our vehicles.The system description provides initial information about the new automatic transmission 9G-TRONIC 725.0. The system description is not stored in this form in WIS. The contents of this brochure are not updated. No provision is made for supplements. We will publicize modifications and new features in the re- levant WIS documents. The information presented in this system description may therefore differ from the more up-to-date information found in the WIS. All of the information relating t