Important!

This replacement procedure can be used for:
MERCEDES-BENZ B-Class (W245) B 180 CDI (245.207), MERCEDES-BENZ B-Class (W245) B 200 CDI (245.208), MERCEDES-BENZ B-Class (W245) B 170 (245.232), MERCEDES-BENZ B-Class (W245) B 200 TURBO (245.234), MERCEDES-BENZ B-Class (W245) B 150 (245.231), MERCEDES-BENZ B-Class (W245) B 160 (245.231), MERCEDES-BENZ B-Class (W245) B 180 (245.232), MERCEDES-BENZ B-Class (W245) B 200 CDI (245.208) … View more

The steps may slightly vary depending on the car design.

How to change rear springs / rear coil springs on MERCEDES-BENZ B200 (W245) [TUTORIAL AUTODOC]

Alternative products

Coil spring

Replacement: coil springs – Mercedes W245. List of the tools you'll need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner 
                    
                      Copper grease 
                    
                      Combination spanner #16
                    
                      Combination spanner #18
                    
                      Drive socket # 16 
                    
                      Drive socket # 18 
                    
                      Wheel impact socket #H12
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Hydraulic transmission jack
                    
                      Wheel chock

Buy tools

Replacement: coil springs – Mercedes W245. Tip from AUTODOC:

Both coil springs of the rear suspension should be replaced simultaneously.
The replacement procedure is identical for the left and right coil springs of the rear suspension.
All work should be done with the engine stopped.

Replacement: coil springs – Mercedes W245. Take the following steps:

Step 1

Secure the wheels with chocks.
Step 2

Loosen the wheel mounting bolts. Use wheel impact socket #H12.
Step 3

Raise the rear of the car and secure on supports.
Step 4

Unscrew the wheel bolts.

Replacement: coil springs – Mercedes W245. AUTODOC recommends:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 5

Remove the wheel.
Step 6

Clean the shock absorber fasteners. Use a wire brush. Use WD-40 spray.
Step 7

Unscrew the lower fastener of the shock absorber. Use a combination spanner #16. Use a drive socket #16. Use a ratchet wrench.
Step 8

Support the arm. Use a hydraulic transmission jack.
Step 9

Remove the fastening bolt.
Step 10

Clean the stabiliser link fasteners. Use a wire brush. Use WD-40 spray.
Step 11

Unscrew the fastener connecting the stabilizer bar with the control arm. Use a combination spanner #16. Use a drive socket #16. Use a ratchet wrench.
Step 12

Remove the fastening bolt.
Step 13

Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
Step 14

Unscrew the fastener connecting the control arm to the rear knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 15

Remove the fastening bolt.
Step 16

Detach the suspension arm from the rear knuckle.
Step 17

Remove the support from under the arm.

AUTODOC recommends:
Replacement: coil springs – Mercedes W245. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 18

Support the arm. Use a hydraulic transmission jack.
Step 19

Disconnect the ABS sensor wiring.
Step 20

Remove the spring.
Step 21

Clean the coil spring mounting seats. Use a wire brush. Use WD-40 spray.
Step 22

Install the coil spring together with the rubber mounts into the mounting seats.
Step 23

Connect the ABS sensor wiring.
Step 24

Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 25

Attach the suspension arm to the rear knuckle.

Step 26

Install the fastening bolt.
Step 27

Remove the support from under the arm.

AUTODOC recommends:
Mercedes W245 – Do not lower the transmission jack sharply to avoid damaging components and mechanisms of the car.
Step 28

Support the arm. Use a hydraulic transmission jack.
Step 29

Tighten the fastener connecting the suspension arm to the rear knuckle. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 85 Nm torque.
Step 30

Install the fastening bolt.
Step 31

Tighten the fastener connecting the stabilizer bar with the control arm. Use a combination spanner #16. Use a drive socket #16. Use a torque wrench. Tighten it to 40 Nm torque.
Step 32

Install the fastening bolt.
Step 33

Tighten the lower fastener of the shock absorber. Use a drive socket #16. Use a torque wrench. Tighten it to 70 Nm torque.
Step 34

Remove the support from under the arm.

Replacement: coil springs – Mercedes W245. Tip from AUTODOC experts:
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms.
Step 35

Treat the shock absorber fasteners. Use copper grease.

Step 36

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 37

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: coil springs – Mercedes W245. After applying the spray, wait a few minutes.
Step 38

Install the wheel.

Replacement: coil springs – Mercedes W245. AUTODOC experts recommend:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 39

Screw in the wheel bolts. Use wheel impact socket #H12.
Step 40

Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #H12. Use a torque wrench. Tighten it to 130 Nm torque.
Step 41

Remove the jacks and chocks.

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