Brakes ­ Front Brake Squeal Front wheel brakes squeal when braking

2010 Mercedes Benz S 600 (221.176) V12­5.5L Turbo (275.953)      
Vehicle: All Technical Service Bulletins
Brakes ­ Front Brake Squeal
Front wheel brakes squeal when braking
Topic number LI42.10­P­048677
Version 1
Design group 42.10 Service brake
Date 10­25­2012
Validity Model 221/216 with code 494/498/625, not AMG/GUARD
Reason for change Brake paste quantity changed to 0.1
Complaint:
Front wheel brakes squeal when braking.
Cause:
Resonant vibrations.
Remedy:
1. Check brake linings for ease of movement.
2. Remove brake linings from lining slots and clean the slots if necessary.
3. Replace brake linings and lightly grease contact surfaces at the sides.
Symptoms
Parts
Work units
WIS­References