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How to change rear coil springs on MERCEDES-BENZ C-Class Coupe (CL203) – replacement guide
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Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class Coupe (CL203) C 180 (203.735), MERCEDES-BENZ C-Class Coupe (CL203) C 220 CDI (203.706), MERCEDES-BENZ C-Class Coupe (CL203) C 180 Kompressor (203.746), MERCEDES-BENZ C-Class Coupe (CL203) C 200 CDI (203.707), MERCEDES-BENZ C-Class Coupe (CL203) C 220 CDI (203.708), MERCEDES-BENZ C-Class Coupe (CL203) C 230 (203.752), MERCEDES-BENZ C-Class Coupe (CL203) C 160 Kompressor (203.730), MERCEDES-BENZ C-Class Coupe (CL203) C 220 CDI … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ C-Class Coupe (CL203) C 180 (203.735), MERCEDES-BENZ C-Class Coupe (CL203) C 220 CDI (203.706), MERCEDES-BENZ C-Class Coupe (CL203) C 180 Kompressor (203.746), MERCEDES-BENZ C-Class Coupe (CL203) C 200 CDI (203.707), MERCEDES-BENZ C-Class Coupe (CL203) C 220 CDI (203.708), MERCEDES-BENZ C-Class Coupe (CL203) C 230 (203.752), MERCEDES-BENZ C-Class Coupe (CL203) C 160 Kompressor (203.730), MERCEDES-BENZ C-Class Coupe (CL203) C 220 CDI … 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 C-Class Coupe (CL203) and other MERCEDES-BENZ models
Coil spring
Alternative products

Wire brush
WD-40 spray
Copper grease
Combination spanner #19
Drive socket # 10
Drive socket # 19
Wheel impact socket #17
Ratchet wrench
Torque wrench
Tap wrench
Crow bar
Strut spring compressor
Hydraulic transmission jack
Wheel chock
Replacement: coil springs – MERCEDES-BENZ C-CLASS Coupe (CL203). 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.
- Please note: all work on the car – MERCEDES-BENZ C-CLASS Coupe (CL203) – should be done with the engine switched off.
Carry out replacement in the following order:
- 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-BENZ C-CLASS Coupe (CL203)
- Step 5Remove the wheel.
- Step 6Unscrew the fasteners of the control arm cover. Use a drive socket #10. Use a ratchet wrench.
- Step 7Remove the control arm cover.
- Step 8Clean the control arm fasteners. Use a wire brush. Use WD-40 spray.
- Step 9Loosen the fastener connecting the control arm to the rear subframe. Use a combination spanner #19. Use a drive socket #19. Use a tap wrench.
- Step 10Support the arm. Use a hydraulic transmission jack.
- Step 11Install the coil spring compressor on the coil spring.Replacement: coil springs – MERCEDES-BENZ C-CLASS Coupe (CL203). 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 12Compress the spring.AUTODOC recommends: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 13Unscrew the fastener connecting the control arm to the rear subframe. Use a drive socket #19. Use a ratchet wrench.
- Step 14Remove the fastening bolt.
- Step 15Lower the hydraulic transmission jack by 10-15 cm.AUTODOC recommends:Replacement: coil springs – MERCEDES-BENZ C-CLASS Coupe (CL203). Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
- Step 16Pull down the suspension control arm. Remove the coil spring together with the coil spring compressor.AUTODOC recommends:While the spring is compressed, do not do any operations on it.
- Step 17Release the coil spring. Remove the spring.
- Step 18Remove the rubber spring spacer.
- Step 19Install the rubber spacer on the new coil spring.
- Step 20Install a new coil spring on the coil spring compressor.Replacement: coil springs – MERCEDES-BENZ C-CLASS Coupe (CL203). AUTODOC experts recommend:Use adapters and jaws of the appropriate size.
- Step 21Compress the spring.Step 22Pull down the suspension control arm. Install the spring.AUTODOC recommends:Make sure that the coil spring is correctly positioned in its mounting seats.
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