Recommended replacement interval for the part category Brake pad set : 30000 km

Important!

This replacement procedure can be used for:
MERCEDES-BENZ A-Class (W169) A 160 (169.031, 169.331), MERCEDES-BENZ A-Class (W169) A 200 CDI (169.308, 169.008), MERCEDES-BENZ A-Class (W169) A 170 (169.032, 169.332), MERCEDES-BENZ A-Class (W169) A 200 (169.033, 169.333), MERCEDES-BENZ A-Class (W169) A 160 CDI (169.006, 169.306), MERCEDES-BENZ A-Class (W169) A 180 CDI (169.007, 169.307), MERCEDES-BENZ A-Class (W169) A 200 CDI (169.008, 169.308), MERCEDES-BENZ A-Class (W169) A 200 TURBO (169.034, 169.334), MERCEDES-BENZ A-Class (W169) A 180 (169.032, 169.332) … View more

The steps may slightly vary depending on the car design.

How to change rear brake discs and brake pads MERCEDES-BENZ A W169 TUTORIAL | AUTODOC

Alternative products

Brake pad set

Replacement: brake pads – Mercedes W169. Tools you'll need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Anti-squeal paste
                    
                      Combination spanner #13
                    
                      Combination spanner #15
                    
                      Wheel impact socket #17
                    
                      Brake caliper wind back tool
                    
                      Torque wrench
                    
                      Crow bar
                    
                      Wheel chock

Buy tools

Replacement: brake pads – Mercedes W169. AUTODOC recommends:

Perform the replacement of brake pads in complete set for each axis. This provides effective braking.
The replacement procedure is identical for all brake pads on the same axle.
All work should be done with the engine stopped.

Replacement: brake pads – Mercedes W169. Recommended sequence of steps:

Step 1

Open the bonnet. Unscrew the brake fluid reservoir cap.
Step 2

Secure the wheels with chocks.
Step 3

Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 4

Raise the rear of the car and secure on supports.

Step 5

Unscrew the wheel bolts.

AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. Mercedes W169
Step 6

Remove the wheel.
Step 7

Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.

Step 8

Unscrew the brake caliper fastening. Use a combination spanner #13. Use a combination spanner #15.
Step 9

Spread the brake pads. Use a crowbar.
Step 10

Remove the brake caliper.

Replacement: brake pads – Mercedes W169. Professionals recommend:
Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur. Check the brake caliper bracket, brake caliper guide pins and boots. Clean them. Replace, if necessary.
Step 11

Remove the brake pads.

Replacement: brake pads – Mercedes W169. AUTODOC experts recommend:
Measure the brake disc thickness. Upon reaching the wear limit the part must be replaced.
Step 12

Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake pads – Mercedes W169. After applying the spray, wait a few minutes.
Step 13

Treat the brake pads in the area where their surface comes into contact with the brake caliper bracket. Use anti-squeal paste.

Replacement: brake pads – Mercedes W169. Tip:
Make sure the disc surface is clean before installing the pads.
Step 14

Install new brake pads.

Replacement: brake pads – Mercedes W169. AUTODOC experts recommend:
Make sure the pads are installed with linings facing the disc.
Step 15

Treat the brake caliper piston. Use a brake cleaner.

AUTODOC recommends:
Replacement: brake pads – Mercedes W169. After applying the spray, wait a few minutes.
Step 16

Press in the brake caliper piston. Use brake caliper wind back tool.
Step 17

Install the brake caliper and fix it. Use a combination spanner #13. Use a combination spanner #15. Use a torque wrench. Tighten it to 35 Nm torque.
Step 18

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 19

Clean the brake disk surface. Use a brake cleaner.

Replacement: brake pads – Mercedes W169. Tip from AUTODOC experts:
After applying the spray, wait a few minutes.
Step 20

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. Mercedes W169
Step 21

Screw in the wheel bolts. Use wheel impact socket #17.
Step 22

Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #17. Use a torque wrench. Tighten it to 120 Nm torque.
Step 23

Remove the jacks and chocks.

AUTODOC recommends:
Important! Replacement: brake pads – Mercedes W169. Check the brake fluid level in the reservoir and top up if necessary.
Step 24

Tighten the brake fluid reservoir cap. Without starting the engine, press the brake pedal several times until you feel significant resistance.
Step 25

Close the hood.

Replacement: brake pads – Mercedes W169. Tip from AUTODOC:
Slow down smoothly for first 150-200 km after the brake pads replacement. Avoid unneccessary and sharp braking to a stop.

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