mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

All Technical Service Bulletins: > < Vacuum Brake Booster Check Valve|Testing and Inspection|Page 9583
Page 1
background image

Vacuum Pump: Customer Interest
Brakes - Poor Power Assist On Cold Start Up

Date: October 19, 2006
Order No.: P-B-43.10/01
Supersedes:
Group: 43

SUBJECT:
Model 203.061/064/081/084/261/264/281/284/764, Up to Series Production 04/30/2003

Unsatisfactory Power Brake Assistance After a Cold Start

If you receive customer reports in the above model vehicles of unsatisfactory power brake assistance after a cold start, primarily when maneuvering, this
may be the result of low vacuum in the intake manifold. In order to resolve, retrofit an electric brake booster vacuum pump per document
SM43.10-P-0003A which is located under "Temporary Postings" in Star TekInfo.

NOTE:  

This condition may also be especially prevalent in high altitude regions.

NOTE:  

This repair is non-time claimable under Group 43.

All Technical Service Bulletins: > < Vacuum Brake Booster Check Valve|Testing and Inspection|Page 9583