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How to change front coil springs on MERCEDES-BENZ SLK (R170) – replacement guide
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Important!
This replacement procedure can be used for:
MERCEDES-BENZ SLK (R170) 32 AMG Kompressor (170.466), MERCEDES-BENZ SLK (R170) 320 (170.465) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ SLK (R170) 32 AMG Kompressor (170.466), MERCEDES-BENZ SLK (R170) 320 (170.465) … 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 SLK (R170) and other MERCEDES-BENZ models
Alternative products

Wire brush
WD-40 spray
Brake cleaner
Copper grease
Combination spanner #17
Drive socket # 17
Wheel impact socket #17
Ratchet wrench
Torque wrench
Crow bar
Flat Screwdriver
Strut spring compressor
Water pump pliers
Wheel chock
Replacement: coil springs – MERCEDES-BENZ SLK (R170). AUTODOC experts recommend:
- Replace both front shock absorbers at a time.
- The replacement procedure is identical for the left and right shock absorbers of the front suspension.
- Please note: all work on the car – MERCEDES-BENZ SLK (R170) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1
Secure the wheels with chocks. - Step 2
Loosen the wheel mounting bolts. Use wheel impact socket #17. - Step 3Raise the front of the car and secure on supports.Step 4
Unscrew the wheel bolts.AUTODOC recommends:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. MERCEDES-BENZ SLK (R170) - Step 5
Remove the wheel. - Step 6
Install the coil spring compressor on the coil spring.Replacement: coil springs – MERCEDES-BENZ SLK (R170). Tip: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 7
Compress the spring by turning the lead screw of the coil spring compressor. Use a combination spanner. The wrench size may vary depending on the spring compressor manufacturer.Replacement: coil springs – MERCEDES-BENZ SLK (R170). 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 8Clean the shock absorber fasteners. Use a wire brush. Use WD-40 spray.Step 9
Unscrew the lower fastener of the shock absorber. Use a combination spanner #17. Use a drive socket #17. Use a ratchet wrench. - Step 10Detach the lower part of the shock absorber.Step 11
Pull down the suspension control arm. Use a crowbar. - Step 12
Remove the coil spring together with the coil spring compressor. Use water pump pliers.Replacement: coil springs – MERCEDES-BENZ SLK (R170). AUTODOC recommends:While the spring is compressed, do not do any operations on it. - Step 13
Secure the coil spring compressor on a work bench. - Step 14Decompress the spring.Step 15
Take out the spring. - Step 16Clean the coil spring mounting seats.Step 17Inspect the rubber mounts of the suspension spring. Replace if necessary.Step 18
Install a new coil spring on the coil spring compressor.Replacement: coil springs – MERCEDES-BENZ SLK (R170). AUTODOC experts recommend:Use adapters and jaws of the appropriate size. - Step 19
Compress the spring.
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