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How to change rear coil springs on Mercedes W203 – replacement guide
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Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class Saloon (W203) C 180 (203.035), MERCEDES-BENZ C-Class Saloon (W203) C 200 Kompressor (203.045), MERCEDES-BENZ C-Class Saloon (W203) C 320 (203.064), MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.004), MERCEDES-BENZ C-Class Saloon (W203) C 270 CDI (203.016), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.006, 203.008), MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.004), MERCEDES-BENZ C-Class Saloon (W203) C 180 Kompressor (203.046), MERCEDES-BENZ C-Class Saloon (W203) C 200 Kompressor (203.042), MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.007), MERCEDES-BENZ C-Class Saloon (W203) C 230 Kompressor (203.040), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.008), MERCEDES-BENZ C-Class Saloon (W203) C 320 CDI (203.020), MERCEDES-BENZ C-Class Saloon (W203) C 280 (203.054), MERCEDES-BENZ C-Class Saloon (W203) C 350 (203.056), MERCEDES-BENZ C-Class Saloon (W203) C 230 (203.052), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.006), MERCEDES-BENZ C-Class Saloon (W203) C 270 CDI (203.016), MERCEDES-BENZ C-Class Saloon (W203) C 240 4-matic (203.081), MERCEDES-BENZ C-Class Saloon (W203) C 320 4-matic (203.084), MERCEDES-BENZ C-Class Saloon (W203) C 200 CGI Kompressor (203.043), MERCEDES-BENZ C-Class Saloon (W203) C 280 4-matic (203.092), MERCEDES-BENZ C-Class Saloon (W203) C 350 4-matic (203.087) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ C-Class Saloon (W203) C 180 (203.035), MERCEDES-BENZ C-Class Saloon (W203) C 200 Kompressor (203.045), MERCEDES-BENZ C-Class Saloon (W203) C 320 (203.064), MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.004), MERCEDES-BENZ C-Class Saloon (W203) C 270 CDI (203.016), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.006, 203.008), MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.004), MERCEDES-BENZ C-Class Saloon (W203) C 180 Kompressor (203.046), MERCEDES-BENZ C-Class Saloon (W203) C 200 Kompressor (203.042), MERCEDES-BENZ C-Class Saloon (W203) C 200 CDI (203.007), MERCEDES-BENZ C-Class Saloon (W203) C 230 Kompressor (203.040), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.008), MERCEDES-BENZ C-Class Saloon (W203) C 320 CDI (203.020), MERCEDES-BENZ C-Class Saloon (W203) C 280 (203.054), MERCEDES-BENZ C-Class Saloon (W203) C 350 (203.056), MERCEDES-BENZ C-Class Saloon (W203) C 230 (203.052), MERCEDES-BENZ C-Class Saloon (W203) C 220 CDI (203.006), MERCEDES-BENZ C-Class Saloon (W203) C 270 CDI (203.016), MERCEDES-BENZ C-Class Saloon (W203) C 240 4-matic (203.081), MERCEDES-BENZ C-Class Saloon (W203) C 320 4-matic (203.084), MERCEDES-BENZ C-Class Saloon (W203) C 200 CGI Kompressor (203.043), MERCEDES-BENZ C-Class Saloon (W203) C 280 4-matic (203.092), MERCEDES-BENZ C-Class Saloon (W203) C 350 4-matic (203.087) … View more
The steps may slightly vary depending on the car design.
How to change rear springs on MERCEDES-BENZ W203 C-Class [TUTORIAL AUTODOC]

All the parts you need to replace – Springs for C-Class Saloon (W203) and other MERCEDES-BENZ models
Coil spring
Alternative products

Wire brush
WD-40 spray
Brake cleaner
Copper grease
Torque wrench
Combination spanner #16
Combination spanner #19
Combination spanner #21
Combination spanner #22
Drive socket # 10
Drive socket # 16
Drive socket # 19
Drive socket # 21
Drive socket # 22
Wheel impact socket #17
Ratchet wrench
Crow bar
Tap wrench
Strut spring compressor
Hydraulic transmission jack
Wheel chock
Replacement: coil springs – Mercedes W203. AUTODOC experts recommend:
- 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 W203. Use the following procedure:
- Step 1Secure the wheels with chocks.Step 2Loosen the wheel mounting bolts. Use wheel impact socket #17.
- Step 3Raise the rear of the car and secure on supports.
- Step 4Unscrew the wheel bolts.AUTODOC recommends:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. Mercedes W203
- Step 5Remove the wheel.
- Step 6Unscrew the fasteners of the control arm plastic cover. Use a drive socket #10. Use a ratchet wrench.
- Step 7Remove the control arm plastic cover.
- Step 8Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
- Step 9Unscrew the fastener connecting the control arm to the rear knuckle. Use a combination spanner #21. Use a combination spanner #22. Use a drive socket #21. Use a drive socket #22. Use a ratchet wrench.
- Step 10Unscrew the lower fastener of the shock absorber. Use a combination spanner #16. Use a drive socket #16. Use a ratchet wrench.
- Step 11Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
- Step 12Unscrew the fastener connecting the control arm to the subframe. Use a combination spanner #19. Use a drive socket #19. Use a tap wrench.
- Step 13Support the rear control arm. Use a hydraulic transmission jack.
- Step 14Install the coil spring compressor on the coil spring.Replacement: coil springs – Mercedes W203. Professionals recommend: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 15Compress the spring by turning the lead screw of the coil spring compressor.Replacement: coil springs – Mercedes W203. Tip from AUTODOC experts:Compress the coil spring compressor until there is enough room to remove the spring. Do not compress the tool to the full: the spring coils must not touch each other. Be careful. The compressed spring is powerful and in case of disrupting ties, straightening, it can cause injury.
- Step 16Remove the fastening bolt. Use a drive socket #19. Use a ratchet wrench.
- Step 17Remove the support from under the rear control arm.AUTODOC recommends:Mercedes W203 – Do not lower the transmission jack sharply to avoid damaging components and mechanisms of the car.
- Step 18Remove the coil spring together with the coil spring compressor.AUTODOC recommends:While the spring is compressed, do not do any operations on it.
- Step 19Clean the coil spring mounting seats. Use a wire brush. Use WD-40 spray.
- Step 20Decompress the spring.
- Step 21Take out the spring.
- Step 22Install a new coil spring on the coil spring compressor.Replacement: coil springs – Mercedes W203. Tip:Use adapters and jaws of the appropriate size.
- Step 23Compress the spring.
- Step 24Install the coil spring together with the rubber mounts into the mounting seats.
- Step 25Support the rear control arm. Use a hydraulic transmission jack. Use a crowbar.
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