Brake system of the car Mercedes C-Class (W202)

Construction and description of the brake system
Brake system with ABS and ASR 1. RPM sensor; 2. Hydraulic unit; 3. Front brake mechanism; 4. Master brake cylinder; 5. Brake booster; 6. Parking brake cable; 7. Parking...

Anti-lock braking system — ABS
The standard ABS system prevents the brakes from locking up during heavy braking. This keeps the car in control. The ABS system works at speeds over 5 km/h and with the...

Optional equipment — ASR system
Drive traction control system (Antriebs-Schlupf-Regelung: ASR) is a logical development of the ABS system. ABS prevents the wheels from locking up when braking. Thanks...

Brake system technical data
Front disc brakes Thickness of new brake pads 1) 20.8mm Lining wear limit 2) 2.0mm New brake discs 12.0 mm (massive) 22.0 mm (with ventilation) Minimum brake disc...

Front brake pads — removal and installation
Removing 1. Mark with paint the position of the front wheels relative to the hub. Thanks to this, the balanced wheel after removal can be put in its place so that the...

Rear disc brake pads — removal and installation
Removing 1. Mark with paint the position of the rear wheels relative to the hub. Thanks to this, the balanced wheel after removal can be put in its place so that the...

Checking the thickness of the brake discs and their lateral runout
1. Mark with paint the position of the wheels relative to the hub. Thanks to this, the balanced wheel after removal can be put in its place so that the balance is not...

Caliper — removal and installation
Front wheel caliper Rear wheel support Removing 1. Mark with paint the position of the wheels relative to the hub. Thanks to this, the balanced wheel after removal can...

Front brake disc — removal and installation
Removing 1. Unscrew the front wheel caliper and hang it on a wire hook you made yourself so that the brake hose does not disturb the traction. Attention! Do not...

Rear brake disc — removal and installation
Removing 1. Unscrew the rear wheel caliper and hang it on a homemade wire hook so that the brake hose does not disturb the traction. Attention! Do not disconnect the...

Brake fluid
When handling brake fluid, keep the following in mind: brake fluid is poisonous. Never suck it out by mouth through a hose. Pour brake fluid only into vessels, the use...

Removal of air from the brake system
Vehicles without ASR traction control Attention! To bleed air from the brake system of a vehicle with ASR, a control electronic device from Mercedes is required. The...

Brake pipes / hoses
The brake lines, which connect from the master cylinder to the four wheel brakes, use pipes along with high-pressure hoses. brake lines (pipes and hoses) check for...

Replacement of brake lines
Front axle brake hose Rear axle brake hose Removing 1. Raise the vehicle. 2. Remove the union nut from the brake pipe. Attention! This causes brake fluid to leak out....

Parking brake pads — removal and installation
Removing 1. Remove the rear brake disc. 2. Remove the back seat. 3. Remove the cable length equalizer shield under the rear seat. 4. Tension the automatic cable length...

Parking brake adjustment
The parking brake must be adjusted if no braking effect is felt after pressing the brake pedal 5 times. 1. Remove one wheel bolt on both rear wheels. 2. Raise the car...

Stoplight switch — removal and installation
The brake light switch is located on top of the brake pedal at the pedal assembly. 24. Brake pedal S9. Stoplight switch Removing 1. Switch off the ignition. 2. Remove...

Brake fault diagnosis
Brake fault diagnosis Cause Remedy Too much brake pedal free travel Friction linings are completely or partially worn Replace brake friction linings. Failure of one of...