mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Customer Interest for Voice Activation Module: > < Towing Module|Service and Repair
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Voice Activation Module: All Technical Service Bulletins
Cell Phone - Poor Hands Free Quality/Noises/Echoing

Date: March 14, 2006

Order No.: P-B-82.70/338b

Supersedes: P-B-82.70/338a dated Sept. 14, 2004

Group: 82

Revision History

SUBJECT:
Model 211.065/070/076/082/083/265/282/283, MY 03 and O4with Voice Control System

Model 215.374/375/376, MY 04 with Voice Control System

Model 220.170/174/175/176/183/184, MY 04 with Voice Control System

Poor Hands Free Quality

If you receive reports in the above model vehicles of poor hands-free quality during a phone call, replace the Voice Control Module (A3511) in 211
models with part number BQ 6 82 0929 and in 215/220 model with part number BQ682 0934.

Typical symptoms of poor hands free quality include echoing, high-pitched noises, and general distortion of the voice until the point where the speaker is
incomprehensible.

Parts Information

Note

The following allowable labor operations should be used when submitting a warranty claim for this repair.

In Case of Warranty

Customer Interest for Voice Activation Module: > < Towing Module|Service and Repair