S 600 Sedan (140.057) V12-6.0L (120.982) (1996)
Brake Rotor/Disc: Technical Service Bulletins
Brake Rotors/Front Hub - Production Change/Installation
REF. NO. 42/124A
DATE: March 1997
(supersedes S.I. 42/124, November 1994)
TO: ALL MERCEDES-BENZ PASSENGER CAR DEALERS
Revision: Update to include models with two piston brake calipers
SUBJECT:
MODEL 140 FRONT BRAKE ROTORS
A.
ELIMINATION OF ROLL PINS FROM FRONT HUB - PHASE-IN OF NEW BRAKE ROTOR
B.
INSTALLATION OF NEW BRAKE ROTOR ON MODELS WITH ROLL PINS ON THE FRONT HUB
A.
ELIMINATION OF ROLL PINS FROM FRONT HUB - PHASE-IN OF NEW BRAKE ROTOR
As of October 1993, the roll pins on the front hub and the centering holes on the rotor have been eliminated.
Effective Serial Number
Model
As of Chassis End Number
140
A 167 054
Parts Information
Part Name
Part Number
Brake rotor for four piston caliper
140 421 10 12
Brake rotor for two piston caliper
140 421 03 12
B.
INSTALLATION OF NEW BRAKE ROTOR ON MODELS WITH ROLL PINS ON THE FRONT HUB
CAUTION!
Remove roll pins from front hub before installing the new version rotor (if equipped with roll pins).
Effective Serial Number Range
Model
From Chassis End Number
Up to Chassis End Number
140
A 000 001
A 167 053
Procedure
Pull roll pins from hub using special tool (Figure 1).