Important!

This replacement procedure can be used for:
MERCEDES-BENZ W124 Coupe (C124) 300 CE-24 (124.051), MERCEDES-BENZ W124 Coupe (C124) 230 CE (124.043), MERCEDES-BENZ W124 Coupe (C124) 220 CE (124.042), MERCEDES-BENZ W124 Coupe (C124) 320 CE (124.052), MERCEDES-BENZ W124 Coupe (C124) 300 CE (124.050), MERCEDES-BENZ W124 Coupe (C124) 230 CE Cat (124.043), MERCEDES-BENZ W124 Coupe (C124) 300 CE-24 (124.051), MERCEDES-BENZ W124 Coupe (C124) 300 CE, MERCEDES-BENZ W124 Coupe (C124) 230 CE (124.043) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Springs for W124 Coupe (C124) and other MERCEDES-BENZ models

Coil spring

        Coil spring for W124 Coupe (C124) Petrol (136 hp)
      
        Coil spring for W124 Coupe (C124) Petrol (188 hp)
      
        Coil spring for W124 Coupe (C124) Petrol (220 hp)
      
        Coil spring for W124 Coupe (C124) Petrol (132 hp)
      
        Coil spring for W124 Coupe (C124) Petrol (180 hp)
      
        Coil spring for W124 Coupe (C124) Petrol (220 hp)
      
        Coil spring for W124 Coupe (C124) Petrol (150 hp)
      
        Coil spring for W124 Coupe (C124) Petrol (132 hp)
      
        Coil spring for W124 Coupe (C124) Petrol (231 hp)

Replacement: coil springs – MERCEDES-BENZ COUPE (C124). List of the tools you'll need:

                        Wire brush
                      
                        WD-40 spray
                      
                        All-purpose cleaning spray
                      
                        Ceramic grease
                      
                        Torque wrench
                      
                        Combination spanner #13
                      
                        Combination spanner #17
                      
                        Combination spanner #19
                      
                        Combination spanner #22
                      
                        Drive socket # 13
                      
                        Drive socket # 17
                      
                        Drive socket # 19
                      
                        Drive socket # 22
                      
                        Shock absorber socket # 16
                      
                        Shock absorber socket #DD5.2
                      
                        Shock absorber socket #DD6
                      
                        Wheel impact socket #17
                      
                        Ratchet wrench
                      
                        Tap wrench
                      
                        Hammer
                      
                        Pin punch
                      
                        Crow bar
                      
                        Hydraulic transmission jack
                      
                        Wheel chock

Buy tools

Replacement: coil springs – MERCEDES-BENZ COUPE (C124). Tip from AUTODOC experts:

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.
Warning! Shut down the engine before starting any work – MERCEDES-BENZ COUPE (C124).

Carry out replacement in the following order:

Step 1

Open the luggage compartment.

Step 2

Remove the luggage compartment trim.
Step 3

Clean the upper fastener of the shock absorber. Use a wire brush. Use WD-40 spray.
Step 4

Loosen the upper fastener of the shock absorber. Use a combination spanner #17. Use a shock absorber socket #DD5.2. Use a ratchet wrench.
Step 5

Secure the wheels with chocks.

Step 6

Loosen the wheel bolts. Use wheel impact socket #17. Use a tap wrench.
Step 7

Raise the car.

Replacement: coil springs – MERCEDES-BENZ COUPE (C124). Tip:
If you are using a jack, make sure it rests on a flat surface without any unevenness.Be sure to additionally secure the car with jack stands.
Step 8

Unscrew the wheel bolts.

AUTODOC recommends:
To avoid injury, hold up the wheel when unscrewing the bolts.
Step 9

Remove the wheel.
Step 10

Clean the lower shock absorber fastener. Use a wire brush. Use WD-40 spray.
Step 11

Support the rear control arm. Use a hydraulic transmission jack.

Step 12

Unscrew the lower fasteners of the shock absorber. Use a combination spanner #17. Use a drive socket #17. Use a ratchet wrench.
Step 13

Unscrew the upper fastener of the shock absorber.
Step 14

Remove the elements of the shock absorber upper mount.
Step 15

Remove the fastening bolt.
Step 16

Remove the shock absorber.
Step 17

Clean the shock absorber mounting seats. Use a wire brush. Use all-purpose cleaning spray.
Step 18

Clean the control arm fasteners. Use a wire brush. Use WD-40 spray.
Step 19

Clean the fastener connecting the sway bar link to the suspension arm. Use a wire brush. Use WD-40 spray.
Step 20

Unscrew the fastener connecting the stabilizer link to the control arm. Use a combination spanner #13. Use a drive socket #13. Use a ratchet wrench.
Step 21

Remove the fastening bolt.
Step 22

Detach the sway bar link from the suspension arm.

Step 23

Loosen the fastener that connects the control arm to the rear knuckle. Use a combination spanner #22. Use a drive socket #22. Use a ratchet wrench.
Step 24

Remove the support from under the rear control arm.

AUTODOC recommends:
Replacement: coil springs – MERCEDES-BENZ COUPE (C124). Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 25

Support the rear control arm where it is attached to the subframe. Use a hydraulic transmission jack.
Step 26

Unscrew the fastener connecting the control arm to the subframe. Use a combination spanner #19. Use a drive socket #19. Use a ratchet wrench.
Step 27

Remove the fastening bolt. Use a pin punch. Use a hammer.
Step 28

Detach the control arm from the subframe and lower the hydraulic transmission jack. If necessary, use a crowbar.

AUTODOC recommends:
As the control arm is spring loaded, the hydraulic transmission jack should be lowered strictly vertically to prevent the arm from slipping off abruptly and being displaced.
Step 29

Remove the spring.
Step 30

Clean the coil spring mounting seats. Use a wire brush. Use all-purpose cleaning spray.
Step 31

Clean the suspension arm mounting seats. Use a wire brush. Use all-purpose cleaning spray.
Step 32

Install the rubber spacer on the new coil spring.
Step 33

Install the spring.

Replacement: coil springs – MERCEDES-BENZ COUPE (C124). AUTODOC recommends:
Make sure that the coil spring is correctly positioned in its mounting seats.
Step 34

Install the control arm on the subframe. Use a hydraulic transmission jack. Use a crowbar.
Step 35

Install the fastening bolt.

Step 36

Support the rear control arm. Use a hydraulic transmission jack.
Step 37

Connect the sway bar link to the suspension arm.
Step 38

Install the fastening bolt.
Step 39

Place the shock absorber in the wheel arch and secure it.
Step 40

Install the elements of the shock absorber upper mount.

Step 41

Screw the upper fastener of the shock absorber.

Step 42

Install the fastening bolt.
Step 43

For tightening the fasteners correctly, you have to jack up the suspension components to their working position.

Step 44

Tighten the fasteners connecting the control arm to the rear knuckle. Use a combination spanner #22. Use a drive socket #22. Use a torque wrench. Tighten it to 70 Nm torque.
Step 45

Tighten the fastener connecting the control arm to the subframe. Use a combination spanner #19. Use a drive socket #19. Use a torque wrench. Tighten it to 70 Nm torque.
Step 46

Tighten the lower fastener of the shock absorber. Use a combination spanner #17. Use a drive socket #17. Use a torque wrench. Tighten it to 55 Nm torque.
Step 47

Tighten the fastener connecting the sway bar link to the suspension arm. Use a combination spanner #13. Use a drive socket #13. Use a torque wrench. Tighten it to 40 Nm torque.
Step 48

Remove the support from under the rear control arm.

Replacement: coil springs – MERCEDES-BENZ COUPE (C124). AUTODOC experts recommend:
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms.
Step 49

Clean the wheel rim mounting seat. Use a wire brush. Use all-purpose cleaning spray.
Step 50

Treat the surface where the brake disc contacts the wheel rim. Use ceramic grease.
Step 51

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. MERCEDES-BENZ COUPE (C124)
Step 52

Screw in the wheel bolts. Use wheel impact socket #17. Use a ratchet wrench.
Step 53

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 110 Nm torque.
Step 54

Remove the jacks and chocks.
Step 55

Tighten the top fastener of the shock absorber. Use a special drive socket to remove the shock absorber # 16. Use a shock absorber socket #DD6. Use a torque wrench. Tighten it to 30 Nm torque.
Step 56

Install the luggage compartment trim.

Step 57

Close the luggage compartment.

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