Important!

This replacement procedure can be used for:
MERCEDES-BENZ E-Class Saloon (W124) E 250 D (124.126, 124.129), MERCEDES-BENZ E-Class Saloon (W124) E 300 D (124.131), MERCEDES-BENZ E-Class Saloon (W124) E 280 (124.028), MERCEDES-BENZ E-Class Saloon (W124) E 320 (124.032), MERCEDES-BENZ E-Class Saloon (W124) E 250 Turbo-D (124.128), MERCEDES-BENZ E-Class Saloon (W124) E 300 Turbo-D (124.133) … View more

The steps may slightly vary depending on the car design.

How to change front shock absorber and coil springs on MERCEDES W124 [TUTORIAL AUTODOC]

Alternative products

Top strut mount

Replacement: strut mount – Mercedes W124. 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 #19
                    
                      Combination spanner #22
                    
                      Drive socket # 13
                    
                      Drive socket # 19
                    
                      HEX bit no.H6
                    
                      HEX bit no.H7
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Tap wrench
                    
                      Water pump pliers
                    
                      Crow bar
                    
                      Strut spring compressor
                    
                      Hydraulic transmission jack
                    
                      Fender cover
                    
                      Wheel chock

Buy tools

Replacement: strut mount – Mercedes W124. Tip from AUTODOC:

The replacement procedure is identical for the mounts of the left and right shock struts of the front suspension.
All mounts of the front shock struts should be replaced simultaneously.
All work should be done with the engine stopped.

Replacement: strut mount – Mercedes W124. Recommended sequence of steps:

Step 1

Open the bonnet.
Step 2

Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3

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

Clean the shock absorber rod fastener. Use a wire brush. Use WD-40 spray.
Step 5

Loosen the fasteners of the upper strut mount. Use a drive socket #13. Use a ratchet wrench.

AUTODOC recommends:
Don't unscrew it completely.
Step 6

Loosen the fastener of the strut piston rod. Use a combination spanner #22. Use HEX No.H7. Use a ratchet wrench.

Replacement: strut mount – Mercedes W124. AUTODOC recommends:
Don't unscrew it completely.
Step 7

Secure the wheels with chocks.

Step 8

Loosen the wheel bolts. Use wheel impact socket #17. Use a tap wrench.
Step 9

Raise the car.

AUTODOC recommends:
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 10

Unscrew the wheel bolts.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mercedes W124
Step 11

Remove the wheel.
Step 12

Support the steering knuckle. Use a hydraulic transmission jack.
Step 13

Install the coil spring compressor on the coil spring.

AUTODOC recommends:
Use adapters and jaws of the appropriate size.The sping coils should be securely fixed with the coil spring compressor.Use high quality coil spring compressors.
Step 14

Compress the spring.

Replacement: strut mount – Mercedes W124. Tip from AUTODOC experts:
Be careful. The compressed spring is powerful and can cause injury if it comes loose.
Step 15

Clean the shock absorber fasteners. Use a wire brush. Use WD-40 spray.
Step 16

Disconnect the wiring from the strut.
Step 17

Unscrew the lower fasteners on the shock absorber. Use a drive socket #19. Use a ratchet wrench.
Step 18

Remove the fastening bolts.
Step 19

Detach the strut from the steering knuckle. Use a crowbar.
Step 20

Clean the fasteners of the stabilizer bush brackets. Use a wire brush. Use WD-40 spray.
Step 21

Unscrew the fasteners of the stabilizer bush brackets. Use a combination spanner #13. Use a drive socket #13. Use a ratchet wrench.
Step 22

Remove the fastening bolts.
Step 23

Remove the stabilizer bush brackets.
Step 24

Remove the coil spring together with the coil spring compressor.

Replacement: strut mount – Mercedes W124. Tip:
While the spring is compressed, do not do any operations on it.
Step 25

Remove the fastener of the shock absorber piston rod. Use a combination spanner #22. Use HEX No.H7. Use a ratchet wrench.
Step 26

Unscrew the fasteners of the upper strut mount. Use a drive socket #13. Use a ratchet wrench.
Step 27

Remove the shock absorber.
Step 28

Remove the strut mount.
Step 29

Remove the shock absorber dust boot and bump stop.

AUTODOC recommends:
Carefully inspect the dust boot and bump stop of the suspension strut. Replace them if necessary.
Step 30

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

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

Clean the mounting seat of the suspension strut mount. Use a wire brush. Use all-purpose cleaning spray.
Step 33

Install the spring together with the compressor.

AUTODOC recommends:
Make sure that the coil spring is correctly positioned in its mounting seats.
Step 34

Install the new shock absorber mount.
Step 35

Screw on the fasteners of the upper strut mount.

Step 36

Install the dust boot and the bump stop.
Step 37

Install the shock absorber.
Step 38

Screw on the fastener of the strut piston rod.

Step 39

Install the fastening bolts.
Step 40

Tighten the lower fasteners on the shock absorbers. Use a drive socket #19. Use a torque wrench. Tighten it to 110 Nm torque.
Step 41

Remove the support from under the steering knuckle.

AUTODOC recommends:
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms.
Step 42

Secure the wiring to the strut.
Step 43

Install the stabilizer bush brackets. Use water pump pliers.

Step 44

Install the fastening bolts.
Step 45

Tighten the fasteners on the anti-roll bar bush brackets. Use a combination spanner #13. Use a drive socket #13. Use a torque wrench. Tighten it to 20 Nm torque.
Step 46

Decompress the spring.
Step 47

Remove the coil spring compressor.
Step 48

Clean the wheel rim mounting seat. Use a wire brush. Use all-purpose cleaning spray.
Step 49

Treat the surface where the brake disc contacts the wheel rim. Use ceramic grease.
Step 50

Install the wheel.

Replacement: strut mount – Mercedes W124. AUTODOC recommends:
To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step 51

Screw in the wheel bolts. Use wheel impact socket #17. Use a ratchet wrench.
Step 52

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 53

Remove the jacks and chocks.
Step 54

Tighten the shock absorber rod nut. Use a combination spanner #19. Use HEX No.H6. Use a torque wrench. Tighten it to 60 Nm torque.
Step 55

Tighten the fasteners of the upper strut mount. Use a drive socket #13. Use a torque wrench. Tighten it to 20 Nm torque.
Step 56

Remove the fender protection cover.
Step 57

Close the bonnet.

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Mercedes E Class W124 tyre size

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