Mercedes S-Class W-140

1991-1999 of release

Repair and operation of the car

Mercedes S-Class
+ Mercedes-Benz cars of the class S (W-140)
+ Operation manual
+ Routine maintenance
+ Engine
+ Cooling systems, heating
+ Power supply system and release
+ Engine electric equipment
+ Gear shifting box
+ Automatic transmission
+ Coupling
- Brake system
   Arrangement of components of the ASR/ETS traction control system
   Arrangement of components of the amplifier of emergency brake application (BAS)
   Arrangement of components of the ESP system
   Dismantling and assembly of the "Tandem" main brake cylinder (MBC) (model 140.028/032/033/135)
   Removal, installation and check of serviceability of functioning of the servo-driver of the vacuum amplifier of brakes
   Removal and installation of a brake support
   Check of thickness of a brake disk and overlays of brake shoes
   Removal and installation of blocks of the parking brake
   Removal and installation of a forward cable of the drive of the parking brake
   Adjustment of the parking brake
   Wheel ABS sensors - installation details
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment


Dismantling and assembly of the "Tandem" main brake cylinder (MBC) (model 140.028/032/033/135)

Design of "Tandem" GTTs

Design of "Tandem" GTTs

3, 7, 20 — Pistons
5 — the Lock ring
8 — the Lock plate
9 — Traffic jams

10 — the Tank
22 — the Case
27 — the Directing finger



1. Slightly press a finger (3) and take a cylindrical finger (27) by means of flat-nose pliers.
2. Remove a lock ring (5) and remove the piston (3) together with a secondary epiploon from the case (22).
3. Take the floating piston by means of flat-nose pliers from the case (22).
4. Wipe the case and check the internal surfaces of the case for absence of damage.
5. Wipe all details with new brake fluid.



1. Disconnect the plug (040) from the plug (041).
2. Take a secondary epiploon and the piston from the plug (041).
3. Fix the case (22) openings down.
4. Grease a case opening with brake fluid.
5. Insert the plug (040) into an opening and press the floating piston (20) against the stop by means of the screw-driver. At installation of the piston, be convinced that the directing groove (shooter) is established vertically.
6. Implant a cylindrical finger and take the plug (040).
7. Fix the brake cylinder by openings up.
8. Insert a secondary epiploon into the case (22) and press it.
9. Fix the piston (7), insert a lock plate (8) and fix it by a lock ring (5), track correctness of landing in a groove of the case (22) of a lock ring (5).
10. Grease traffic jams (9) with brake fluid and press them in the case (22). Install the tank (10) with one tube on the case (22), turn on 180 ° and then establish the second tube to the case (22).