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How to change front suspension strut on MERCEDES-BENZ C-Class T-modell (S204) – replacement guide
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Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class T-modell (S204) C 250 CGI (204.247), MERCEDES-BENZ C-Class T-modell (S204) C 200 CDI (204.201), MERCEDES-BENZ C-Class T-modell (S204) C 180 CGI (204.249), MERCEDES-BENZ C-Class T-modell (S204) C 180 CDI (204.200), MERCEDES-BENZ C-Class T-modell (S204) C 350 CDI (204.223), MERCEDES-BENZ C-Class T-modell (S204) C 350 CGI (204.257), MERCEDES-BENZ C-Class T-modell (S204) C 180 Kompressor (204.246), MERCEDES-BENZ C-Class T-modell (S204) C 200 Kompressor (204.241), MERCEDES-BENZ C-Class T-modell (S204) C 230 (204.252), MERCEDES-BENZ C-Class T-modell (S204) C 280 (204.254), MERCEDES-BENZ C-Class T-modell (S204) C 350 (204.256), MERCEDES-BENZ C-Class T-modell (S204) C 200 CDI (204.207), MERCEDES-BENZ C-Class T-modell (S204) C 220 CDI (204.208), MERCEDES-BENZ C-Class T-modell (S204) C 320 CDI (204.222), MERCEDES-BENZ C-Class T-modell (S204) C 180 Kompressor (204.245), MERCEDES-BENZ C-Class T-modell (S204) C 220 CDI (204.202), MERCEDES-BENZ C-Class T-modell (S204) C 350 CDI (204.225), MERCEDES-BENZ C-Class T-modell (S204) C 250 CDI (204.203), MERCEDES-BENZ C-Class T-modell (S204) C 220 CDI (204.208), MERCEDES-BENZ C-Class T-modell (S204) C 300 (204.254), MERCEDES-BENZ C-Class T-modell (S204) C 350 CDI (204.225), MERCEDES-BENZ C-Class T-modell (S204) C 200 CGI (204.248), MERCEDES-BENZ C-Class T-modell (S204) C 220 CDI (204.202), MERCEDES-BENZ C-Class T-modell (S204) C 180 (204.231), MERCEDES-BENZ C-Class T-modell (S204) C 250 (204.252) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ C-Class T-modell (S204) C 250 CGI (204.247), MERCEDES-BENZ C-Class T-modell (S204) C 200 CDI (204.201), MERCEDES-BENZ C-Class T-modell (S204) C 180 CGI (204.249), MERCEDES-BENZ C-Class T-modell (S204) C 180 CDI (204.200), MERCEDES-BENZ C-Class T-modell (S204) C 350 CDI (204.223), MERCEDES-BENZ C-Class T-modell (S204) C 350 CGI (204.257), MERCEDES-BENZ C-Class T-modell (S204) C 180 Kompressor (204.246), MERCEDES-BENZ C-Class T-modell (S204) C 200 Kompressor (204.241), MERCEDES-BENZ C-Class T-modell (S204) C 230 (204.252), MERCEDES-BENZ C-Class T-modell (S204) C 280 (204.254), MERCEDES-BENZ C-Class T-modell (S204) C 350 (204.256), MERCEDES-BENZ C-Class T-modell (S204) C 200 CDI (204.207), MERCEDES-BENZ C-Class T-modell (S204) C 220 CDI (204.208), MERCEDES-BENZ C-Class T-modell (S204) C 320 CDI (204.222), MERCEDES-BENZ C-Class T-modell (S204) C 180 Kompressor (204.245), MERCEDES-BENZ C-Class T-modell (S204) C 220 CDI (204.202), MERCEDES-BENZ C-Class T-modell (S204) C 350 CDI (204.225), MERCEDES-BENZ C-Class T-modell (S204) C 250 CDI (204.203), MERCEDES-BENZ C-Class T-modell (S204) C 220 CDI (204.208), MERCEDES-BENZ C-Class T-modell (S204) C 300 (204.254), MERCEDES-BENZ C-Class T-modell (S204) C 350 CDI (204.225), MERCEDES-BENZ C-Class T-modell (S204) C 200 CGI (204.248), MERCEDES-BENZ C-Class T-modell (S204) C 220 CDI (204.202), MERCEDES-BENZ C-Class T-modell (S204) C 180 (204.231), MERCEDES-BENZ C-Class T-modell (S204) C 250 (204.252) … 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 – Shock Absorber for C-Class T-modell (S204) and other MERCEDES-BENZ models
Alternative products

Wire brush
WD-40 spray
Brake cleaner
Ceramic grease
Copper grease
Torque wrench
Drive socket # 18
Drive socket # 21
Torx bit E12
Torx bit E14
Torx bit E18
Torx bit T50
21-mm strut nut socket
Wheel impact socket #17
Ratchet wrench
Flat screwdriver
Crow bar
Hydraulic transmission jack
Hydraulic strut spring compressor
Fender cover
Wheel chock
Replacement: suspension strut – MERCEDES-BENZ C-CLASS T-Model (S204). Tip from AUTODOC:
- Both shock struts of the front suspension should be replaced simultaneously.
- The replacement procedure is identical for the left and right shock struts of the front suspension.
- Please note: all work on the car – MERCEDES-BENZ C-CLASS T-Model (S204) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Open the bonnet.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3
Clean the fasteners of the shock strut upper mount. Use a wire brush. Use WD-40 spray. - Step 4
Loosen the upper fasteners of the suspension strut. Use Torx E12. Use a ratchet wrench. - Step 5Secure the wheels with chocks.Step 6
Loosen the wheel mounting bolts. Use wheel impact socket #17. - Step 7Raise the car.Replacement: suspension strut – MERCEDES-BENZ C-CLASS T-Model (S204). AUTODOC experts recommend: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:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. MERCEDES-BENZ C-CLASS T-Model (S204) - Step 9
Remove the wheel. - Step 10
Clean the fastener that connects the sway bar link to the suspension strut. Use a wire brush. Use WD-40 spray. - Step 11
Unscrew the fastener connecting the stabilizer link to the shock strut. Use a drive socket #18. Use a ratchet wrench. - Step 12
Remove the stabilizer rod. - Step 13
Disconnect the ABS sensor wiring. - Step 14
Clean the fasteners connecting the shock strut to the steering knuckle. Use a wire brush. Use WD-40 spray. - Step 15
Unscrew the fasteners connecting the suspension strut to the steering knuckle. Use a drive socket #21. Use Torx E14. Use Torx E18. Use a ratchet wrench. - Step 16
Prop up the steering knuckle. Use a hydraulic transmission jack. - Step 17
Remove the fastening bolts. - Step 18
Disconnect the steering knuckle from the shock absorber strut. Use a crowbar. - Step 19
Unscrew the upper fasteners of the shock strut.AUTODOC recommends:Important! Hold the suspension strut while unscrewing the fastening bolts. MERCEDES-BENZ C-CLASS T-Model (S204) - Step 20
Remove the suspension strut. - Step 21
Set the suspension strut on the spring compressor tool.AUTODOC recommends:Note that when using a spring compressor, spring coils need to be securely gripped, compressing the spring on the opposite sides.Ensure the correct position of the spring in the retainer.Make sure that the spring coils tightly entered the lock handles. - Step 22
Remove the dust cap from the suspension strut mount. Use a flat screwdriver. - Step 23
Compress the spring. - Step 24
Clean the strut piston rod. Use a wire brush. Use WD-40 spray. - Step 25
Remove the strut piston rod nut. Use a 21-mm strut nut socket. Use Torx T50. Use a ratchet wrench. - Step 26
Remove the top strut mount. - Step 27
Remove the shock absorber dust cap and the bump stop.AUTODOC recommends:Replacement: suspension strut – MERCEDES-BENZ C-CLASS T-Model (S204). Carefully inspect the mount, the boot, and the bump stop of the shock absorber. Replace if necessary. - Step 28
Release the coil spring. - Step 29
Remove the spring. - Step 30
Remove the old shock absorber from the hydraulic coil spring compressor. - Step 31
Install the new shock absorber on the hydraulic coil spring compressor.AUTODOC recommends:Before installing a new shock absorber you should pump it manually 3-5 times. - Step 32
Install the spring on the shock absorber. - Step 33
Compress the spring. - Step 34
Install the dust sleeve and the bump stop on the new shock absorber. - Step 35
Install the upper strut mount and the strut mount bearing.Replacement: suspension strut – MERCEDES-BENZ C-CLASS T-Model (S204). Tip from AUTODOC:Make sure that the suspension strut is installed in the correct position, according to the markings. - Step 36
Tighten the shock strut piston rod nut. Use a 21-mm strut nut socket. Use Torx T50. Use a torque wrench. Tighten it to 85 Nm torque. - Step 37
Decompress the spring.
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