Mercedes-Benz
Vehicle Communication
Software Manual
August 2013
EAZ0025B41D Rev. A
Trademarks Acknowledgements
Snap-on is a trademark of Snap-on Incorporated.
All other marks are trademarks of their respective holders.
Copyright Information
©2013 Snap-on Incorporated
All rights reserved.
Disclaimer
The information, specifications and illustrations in this manual are based on the latest information available at the
time of printing.
Snap-on reserves the right to make changes at any time without notice.
Visit our Web site at:
http://diagnostics.snapon.com
For Technical Assistance Call:
1-800-424-7226
ii
Safety Information
For your own safety and the safety of others, and to prevent damage to the equipment and
vehicles upon which it is used, it is important that the accompanying Safety Information be read
and understood by all persons operating, or coming into contact with, the equipment. We
suggest you store a copy near the unit in sight of the operator
This product is intended for use by properly trained and skilled professional automotive
technicians. The safety messages presented throughout this manual are reminders to the
operator to exercise extreme care when using this test instrument.
There are many variations in procedures, techniques, tools, and parts for servicing vehicles, as
well as in the skill of the individual doing the work. Because of the vast number of test
applications and variations in the products that can be tested with this instrument, we cannot
possibly anticipate or provide advice or safety messages to cover every situation. It is the
automotive technician’s responsibility to be knowledgeable of the system being tested. It is
essential to use proper service methods and test procedures. It is important to perform tests in
an appropriate and acceptable manner that does not endanger your safety, the safety of others
in the work area, the equipment being used, or the vehicle being tested.
It is assumed that the operator has a thorough understanding of vehicle systems before using
this product. Understanding of these system principles and operating theories is necessary for
competent, safe and accurate use of this instrument.
Before using the equipment, always refer to and follow the safety messages and applicable test
procedures provided by the manufacturer of the vehicle or equipment being tested. Use the
equipment only as described in this manual.
Read, understand and follow all safety messages and instructions in this manual, the
accompanying safety manual, and on the test equipment.
Safety Information ..................................................................................................................... iii
Contents ...................................................................................................................................... v
Chapter 1: Using This Manual ................................................................................................... 1
Conventions.................................................................................................................................. 1
Bold Text................................................................................................................................ 1
Terminology ........................................................................................................................... 1
Notes and Important Messages.................................................................................................... 2
Notes...................................................................................................................................... 2
Important................................................................................................................................ 2
Chapter 2: Introduction.............................................................................................................. 3
Chapter 3: Operations................................................................................................................ 4
Identifying the Vehicle .................................................................................................................. 4
Selecting a System....................................................................................................................... 6
Connecting to a Vehicle................................................................................................................ 6
Selecting a Test.......................................................................................................................... 11
Main Menu Selections ................................................................................................................ 11
Codes................................................................................................................................... 11
Data ..................................................................................................................................... 11
Functional Tests................................................................................................................... 12
Review ECU ID .................................................................................................................... 13
Stop Communication............................................................................................................ 13
Scanner Demonstration Program ............................................................................................... 13
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