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How to change rear lower arm on MERCEDES-BENZ C-Class T-modell (S203) – replacement guide
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Important!
This replacement procedure can be used for:
MERCEDES-BENZ C-Class T-modell (S203) C 220 CDI (203.208), MERCEDES-BENZ C-Class T-modell (S203) C 200 Kompressor (203.245), MERCEDES-BENZ C-Class T-modell (S203) C 320 (203.264), MERCEDES-BENZ C-Class T-modell (S203) C 200 CDI (203.204), MERCEDES-BENZ C-Class T-modell (S203) C 220 CDI (203.206, 203.208), MERCEDES-BENZ C-Class T-modell (S203) C 270 CDI (203.216), MERCEDES-BENZ C-Class T-modell (S203) C 180 (203.235), MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261), MERCEDES-BENZ C-Class T-modell (S203) C 32 AMG Kompressor (203.265), MERCEDES-BENZ C-Class T-modell (S203) C 200 CDI (203.204), MERCEDES-BENZ C-Class T-modell (S203) C 180 Kompressor (203.246), MERCEDES-BENZ C-Class T-modell (S203) C 200 Kompressor (203.242), MERCEDES-BENZ C-Class T-modell (S203) C 240 4-matic (203.281), MERCEDES-BENZ C-Class T-modell (S203) C 320 4-matic (203.284), MERCEDES-BENZ C-Class T-modell (S203) C 30 CDI AMG (203.218), MERCEDES-BENZ C-Class T-modell (S203) C 200 CGI Kompressor (203.243), MERCEDES-BENZ C-Class T-modell (S203) C 200 CDI (203.207), MERCEDES-BENZ C-Class T-modell (S203) C 230 Kompressor (203.240), MERCEDES-BENZ C-Class T-modell (S203) C 220 CDI (203.208), MERCEDES-BENZ C-Class T-modell (S203) C 55 AMG (203.276), MERCEDES-BENZ C-Class T-modell (S203) C 350 (203.256), MERCEDES-BENZ C-Class T-modell (S203) C 350 4-matic (203.287), MERCEDES-BENZ C-Class T-modell (S203) C 280 (203.254), MERCEDES-BENZ C-Class T-modell (S203) C 280 4-matic (203.292), MERCEDES-BENZ C-Class T-modell (S203) C 230 (203.252), MERCEDES-BENZ C-Class T-modell (S203) C 320 CDI (203.220), MERCEDES-BENZ C-Class T-modell (S203) C 270 CDI (203.216) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ C-Class T-modell (S203) C 220 CDI (203.208), MERCEDES-BENZ C-Class T-modell (S203) C 200 Kompressor (203.245), MERCEDES-BENZ C-Class T-modell (S203) C 320 (203.264), MERCEDES-BENZ C-Class T-modell (S203) C 200 CDI (203.204), MERCEDES-BENZ C-Class T-modell (S203) C 220 CDI (203.206, 203.208), MERCEDES-BENZ C-Class T-modell (S203) C 270 CDI (203.216), MERCEDES-BENZ C-Class T-modell (S203) C 180 (203.235), MERCEDES-BENZ C-Class T-modell (S203) C 240 (203.261), MERCEDES-BENZ C-Class T-modell (S203) C 32 AMG Kompressor (203.265), MERCEDES-BENZ C-Class T-modell (S203) C 200 CDI (203.204), MERCEDES-BENZ C-Class T-modell (S203) C 180 Kompressor (203.246), MERCEDES-BENZ C-Class T-modell (S203) C 200 Kompressor (203.242), MERCEDES-BENZ C-Class T-modell (S203) C 240 4-matic (203.281), MERCEDES-BENZ C-Class T-modell (S203) C 320 4-matic (203.284), MERCEDES-BENZ C-Class T-modell (S203) C 30 CDI AMG (203.218), MERCEDES-BENZ C-Class T-modell (S203) C 200 CGI Kompressor (203.243), MERCEDES-BENZ C-Class T-modell (S203) C 200 CDI (203.207), MERCEDES-BENZ C-Class T-modell (S203) C 230 Kompressor (203.240), MERCEDES-BENZ C-Class T-modell (S203) C 220 CDI (203.208), MERCEDES-BENZ C-Class T-modell (S203) C 55 AMG (203.276), MERCEDES-BENZ C-Class T-modell (S203) C 350 (203.256), MERCEDES-BENZ C-Class T-modell (S203) C 350 4-matic (203.287), MERCEDES-BENZ C-Class T-modell (S203) C 280 (203.254), MERCEDES-BENZ C-Class T-modell (S203) C 280 4-matic (203.292), MERCEDES-BENZ C-Class T-modell (S203) C 230 (203.252), MERCEDES-BENZ C-Class T-modell (S203) C 320 CDI (203.220), MERCEDES-BENZ C-Class T-modell (S203) C 270 CDI (203.216) … 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 – Control Arm for C-Class T-modell (S203) and other MERCEDES-BENZ models
Alternative products

Wire brush
WD-40 spray
All-purpose cleaning spray
Ceramic grease
Torque wrench
Combination spanner #18
XZN socket bit # 12
Wheel impact socket #17
Ratchet wrench
Tap wrench
Hydraulic transmission jack
Wheel chock
Replacement: rear lower arm – MERCEDES-BENZ C-CLASS T-Model (S203). Professionals recommend:
- The replacement procedure is identical for the left and right lower control arms.
- All work should be done with the engine stopped.
Carry out replacement in the following order:
- Step 1Secure the wheels with chocks.Step 2
Loosen the wheel bolts. Use wheel impact socket #17. Use a tap wrench. - Step 3Raise 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 4
Unscrew the wheel bolts.Replacement: rear lower arm – MERCEDES-BENZ C-CLASS T-Model (S203). AUTODOC recommends:To avoid injury, hold up the wheel when unscrewing the bolts. - Step 5
Remove the wheel. - Step 6
Clean the control arm fasteners. Use a wire brush. Use WD-40 spray. - Step 7
Unscrew the fastener connecting the control arm to the subframe. Use a combination spanner #18. Use XZN #12. Use a ratchet wrench. - Step 8
Unscrew the fastener that connects the suspension arm to the stub axle. Use a combination spanner #18. Use XZN #12. Use a ratchet wrench. - Step 9
Remove the fastening bolts. - Step 10
Remove the control arm. - Step 11
Clean the suspension arm mounting seats. Use a wire brush. Use all-purpose cleaning spray. - Step 12
Install a new control arm. - Step 13
Install the fastening bolts.
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