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Mercedes-Benz

star bulletin

The best or noth ing.

cl"7i)r

SUBJECT:

Date:

November 15, 2013

Order No. :

P-B-27 .10/125

Group:

27

MY-All, Transmission 725.0 in Model 212
Launch Support for Automatic Transmission (9G-TRONIC)

Market Launch

The automatic transmission (9G-TRONIC) with code 421 (9-speed automatic transmission) will be used for
the first time as of Fall 2014.
Important Note: When returning the automatic transmission (9G- TRON IC) major assemblies, the specified

analysis sheet for automatic transmission (9G- TRONIC) has to be filled out and included
with the automatic transmission . As always, major assemblies are returned via the warranty
return process.
Technical Workshop and Product Support

No repairs should be done on automatic transmission (9G-TRONIC) . Only complete transmissions may be
replaced . Parts can only be replaced after approval from workshop support. Until further notice a PTSS case
must always be created and submitted to Product Technical Support.
The following documents must be included with the case:
•

Quick test

•

Control unit log with fault freeze frame data

•

EEPROM data as log. File (see Sl27.1O-P-0001-01 C)

•

Completed analysis sheet for automatic transmission (9G- TRONIC) (maximum 2 WUs can be
calcu lated with operation number 02 - 3952 and damage code 27608 01 for filling out the
analysis sheet automatic transmission (9G- TRONIC))

Consultation with the Product Technical Support:

Following consultation with Product Technical Support, repairs may be conducted on the cited parts at market
launch:
•

Radial shaft sealing rings on drive and output shafts

This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data Control, and
MBUSA-SLP S424HH001 , Control of Quality Records.

© 2013 Mercedes-Benz USA, LLC .
Mercedes-Benz Canada , Inc.
Dealer Workshop Services

All rights reserved . Reproduction or translation in whole
or in part is not permitted w ithout authorization from the
publisher. Printed in U.S.A.

Y.!.'!Y~.dl!.IJ?..\L§fu;_Q.m
www.startekinfo .com

1-800-FOR-MERCedes

•

Oil pan and oil filter and oil pan gasket

•

Oil filter of external pressure oil filter

•

Electrohydraulic controller unit

•

Torque converter

•

Oil pump and auxiliary oil pump

•

Replace parking lock actuator, replace park pawl lift solenoid

•

Replace parking lock mechanism

Other Work
•

Replace transmission

•

Check transmission oil level, adjust to correct level , if necessary

The Shell ATF D97 (gold) Mercedes-Benz Specifications for Operating Fluids 236.16 in 1 I and 5 I containers
are available as the new transmission oil for the automatic transmission (9G-TRONIC) (transmission 725.0).

Damage and Symptom Codes
To encode the damage, the damage code for transmission 725.0 in design group 27 must be used, which is
available as of damage code version C2013. In case of major assembly replacement, approved by Product
Technical Support, the corresponding damage code based on the symptom must be used .

Star Diagnosis Scopes I Software Update:
As of Xentry DAS version 09/2013 it is possible to flash and code the transmission control unit, to start up the
electrohydraulic controller unit (EHS) and to perform standard adaptation for actuators and torque converter
lockup clutch .
After replacing the transmission , torque converter and the electrohydraulic controller unit (EHS), an
adaptation of actuators and torque converter lockup clutch must be performed.

WIS
The corresponding AR documents are available in the table below (available in WIS as of DVD 09/2011).
New special tools will be available at market launch .

Introduction into Service Manual for Automatic Transmission (9G-TRONIC)
August 2013 onwards, the Introduction into Service Manual for the new automatic transmission (9G-TRONIC)
(transmission 725.0) can be ordered via replacement part logistics (print 09/2013 and SD media 09/2013) .

Parts Information
Qty.

Part Name

Part Number

As required Transmission oil, 1 I container

A 001 989 92 03 09

As required Transmission oil , 5 I container

A 001 989 92 03 11

As required Introduction into Service Manual, English

HLI 000000 1234

2

P-B-27 .10/125

.
Page 7

Analysis sheet for automatic transm ission (9GTRONIC), form

Page 5

Read out EEPROM blocks
Fillinq automatic transmission with fluid

Transmission 725.0

AR27.00-P-0270EWM

Remove/install oil pump

Transmission 725.0

AR27.OO-P-0400EWM

Remove/install oil pump from transmission housing

Transmission 725 .0

AR27 .1O-P-040002EWM

Remove/install transmission with torque converter

Transmission 725.0 in

AR27 .1O-P-0500EWM

Model 212 with Engine
642
Fasten transmission on assembly stand

Transmission 725.0

AR27 .1O-P-060001EWM

Remove/install automatic transmission oil oan

Transmission 725.0

AR27 .10-P-7030EWM

Remove/install electrohydraulic controller unit

Transmission 725.0

AR27 .19-P-0200EWM

Remove/install torque converter

Transmission 725 .0

AR27 .20-P-0500

Remove/install auxiliary oil pump for automatic

Transmission 725.0

AR27.30-P-0651 EWM

Transmission 725 .0

AR27.40-P-0205EWM

Remove/install oil pump radial shaft sealinq rinq

Transmission 725.0

AR27.40-P-0300EWM

Removing and installing output flange

Transmission 725.0 in

AR27 .50-P-0620-

Model 212 with Engine

02EWM

(transmission installed)

Transmission
Remove/install radial shaft sealing ring at output
flanqe

642
Remove/install oark oawl mechanism

Transmission 725.0

AR27 .60-P-0950EWM

Remove/install lift solenoid for oark oawl actuator

Transmission 725.0

AR27 .60-P-0955EWM

Remove/install park pawl actuator

Transmission 725.0

AR27 .60-P-0956EWM

S-B-27 .10/125

3

Special Tools
The following special tools are required for new automatic transmission (9G-TRONIC) (transmission 725.0):
•

725 589 00 59 00 - Removal and installation tool

•

725 589 00 40 00 - Support fixture

•

725 589 00 15 00 - Drift

•

725 589 00 90 00 - Adapter

725 589 00 59 00

725 589 00 15 00

725 589 00 90 00

Removal and installation tool

Drift

Adapter

725 589 00 40 00

Support fixture

4

P-B-27 .10/125

Read Out EEPROM Blocks

1. Select the "Special processes" tab (Figure 1) (1) in Xentry DAS.
2. Click menu item "log data" (Figure 1) (2).
3. Click "Start" (Figure 1) (3) to read out and save data.

This

fun~:ion

writes Important uala Into a log ~le for the uevelopment department.

The foilowing steps are performed:
• The control uni: lnfcrroatton is being read out .
• The tauit codes are being reau out
• The event log file was written suc,ess!u!ly.

~--3
il>
Stari procedure .

Figure 1. Special Processes Tab, Log Data and Start.

P00.30-2057-04

4. Data is stored in the "User data range as a text file with vehicle identification number (VIN) and date
(Figure 2).

S-B-27.10/125

5

This funcfam writes important data into a !og flie for tl1e deve!opment department.
The following steps are perfomied:
• The coniro: •Jnit information is being read out
• The fault codes are being read out. ,/
• The event log file was written successfully ./

~'

You wlll find the log ti.le In SOe~ plorer under the followlng path (see screenshot):

I

4

C:
/star/XenlryDiagnostics/var/docs/XentryNGSNAG31WDD2120541A000212_212_SXXXXXX_VGSNAG3_2

txt

Figure 2.

P00.30-2060-05

5. Start STAR Utilities.
6.

Pressing "SDexplorer" (Figure 3) (5) takes you to SDexplorer.

Figure 3.
7.

P00.30-2057-04

The EEPROM data (Figure 4) (8) with VIN is stored in the SDexplorer under
"USER_DOCUMENTS\Xentry\VGSNAG3\" (Figure 4) (9).

8. To enable data to be transferred onto a data medium a "USS data medium" (Figure 4) (9) must be
chosen as the storage option .
9. Transfer the data using "copy" (Figure 4) (10) to a USS stick. The file contains the VIN and date and
time as the file name.

6

P-B-27 .10/1 25

7

~==========~.L!: ." " -" '~~........

10

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