Brake system of the car Mercedes S-Class (W116)

Brake system — general information
Dual-circuit hydraulic brake system with optical warning device, acting from the pedal to all four wheels with vacuum booster. Front and rear wheel disc brakes with...

Replacing the front brake pads
As already mentioned, fixed calipers are installed on the front wheels. There are two pistons in the caliper. Brake pads must be replaced if the thickness of the...

Removal and installation the front caliper
Raise the front of the car and remove the wheels. Place a hose on the air bleed nipple and lower the other end of the hose into a suitable container. Open the nipple and...

Front caliper overhaul
Before carrying out any work, pay attention to the following points: After disassembly, the sealing rings must be replaced with new ones. Do not use pistons and...

Removal and installation the front brake disc
Remove the caliper as described above and dismantle the front wheel hub. Unscrew three M12x1.5 bolts and secure the hub in a vice using aluminum pads (see fig. 251)....

Rear caliper overhaul
The caliper halves should not separate during disassembly, since the mounting bolts were tightened to a certain torque during assembly at the manufacturer. To...

Removal and installation rear brake discs
If necessary, the working surfaces of the brake discs can be turned. In this case, it is necessary to determine the minimum permissible dimensions of the parts after...

Master brake cylinder
All models of cars are equipped with a main brake cylinder with two working cavities, which are connected to a double reservoir, providing the flow of brake fluid into...

Removal and installation parking brake pads
The parking brake is a self-boosting mechanism at any rotation of the brake drum. To remove and install the brake shoe springs, you will need the assembly tool mentioned...

Brake force booster
Disassembly of the brake booster is not provided, since disassembly and assembly of the booster can only be performed in specialized workshops. A malfunction of the...

Bleeding the brake hydraulic system
Bleeding air from the brake hydraulic system is necessary after depressurization of the pipelines or if air penetrates in another way. Before removing air from the...

Brake specifications
Service brake system - hydraulic dual-circuit Parking brake system - mechanical, acts on the rear brakes Brake performance - disc brakes on all wheels Brake pad...

Tightening torques for threaded connections
Brakes Allen head bolts for mounting the brake disc on the front wheel hub - 115 Nm Mounting bolts for mounting the caliper to the steering knuckle - 115 Nm Bolts for...

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TEXTHTMLBB Code

W140 (1991-1998)