文档介绍：R230 Active Body Control
(ABC)
1
318 PP ABC (DPS) 1-22-02
These technical training materials are current as of the date noted on the materials, and may be revised or updated without notice.
Always check for revised or updated information.
To help avoid personal injury to you or others, and to avoid damage to the vehicle on which you are working, you must always refer
to the latest Mercedes-Benz Technical Publication and follow all pertinent instructions when testing, diagnosing or making repair.
Illustrations and descriptions in this training reference are based on preliminary information and may not correspond to the final US
version vehicles. Refer to the official introduction manual and WIS when available.
Copyright Mercedes-Benz USA, LLC, 2002
Reproduction by any means or by any information storage and retrieval system or translation in whole or part is not permitted
without written authorization from Mercedes-Benz USA, LLC or its essors.
Published by Mercedes-Benz USA, LLC
Printed in U. .
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Objectives & Agenda
• Quick Review of ABC
• Changes to ABC in the R230
– Struts
– Sensors
– Control Unit
– SDS Procedures
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Functions of ABC
• Automatically maintains vehicle level setting
• Adjusts ride height based on speed
– Lowers car as speed increases and raises car
back up as speed decreases
• Switch raises car two positions
• An additional switch for a sport setting
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Sensors - Review
• Body acceleration sensors - three
– Measures vertical acceleration of the body and
body pitch and roll
• Lateral acceleration sensor - one
– Measures side to side acceleration
• Longitudinal acceleration sensor - one
– Measures acceleration and deceleration
• Vehicle level sensors - four
– Measures vehicle level at each wheel
• Strut motion sensor - four
– Determines the position of the hydraulic cylinder
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Service Notes - Review
• Country version code in EIS
• Goes automatically to shutoff (closed valve position)
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