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Service bulletin LI42.10-P-076753

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10240155
Published by NHTSA2023-08-02
Manufacturer's numberLI42.10-P-076753
Manufacturer's date2023-07-28
NHTSA componentSERVICE BRAKES, HYDRAULIC

NHTSA's summary

Complaint Brake squeal Cause Frictional vibrations. There is no effect to braking capability. Remedy >> Refer to LI42.10-P-063502. If bedding in the brakes does not remedy the issue: a) If the noises are coming from the front axle => Affix linings with biadhesive film (see attachments for front axle) 1. Remove brake linings of front axle 2. Cleaning all contact points on brake lining and brake caliper/carrier 3. Apply an adhesive film to the backplate of the piston-side brake lining (only in the area of the center piston) 4. Position and affix brake pad foil as per the attachment (clean bonding surface) 5. After installing the brake linings, actuate the brake for 30 seconds b) If the noises are coming from the rear axle => Grease the lining as per the specification (see attachments for rear axle) 1. Remove brake pads of rear axle 2. Cleaning all contact points on brake lining and brake caliper/carrier 3. Grease contact points (red areas) between brake lining and guide of brake caliper with heat-resistant lubricating paste A001 989 87 51 4. Be absolutely certain to not allow paste between friction surfaces of the pad and disc! If no remedy is possible with these measures, please create a TIPS case.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes

Vehicles listed
MERCEDES-BENZ AMG SL432022 to 2023
MERCEDES-BENZ AMG SL552022 to 2023
MERCEDES-BENZ AMG SL632022 to 2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.