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How to change front lower arm on MERCEDES-BENZ C-Class T-modell (S204) – replacement guide
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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 63 AMG (204.277), 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 63 AMG (204.277), 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 63 AMG, MERCEDES-BENZ C-Class T-modell (S204) C 63 AMG, 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 63 AMG (204.277), 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 63 AMG (204.277), 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 63 AMG, MERCEDES-BENZ C-Class T-modell (S204) C 63 AMG, 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 – Control Arm for C-Class T-modell (S204) and other MERCEDES-BENZ models
Suspension arm
Alternative products

Wire brush
WD-40 spray
Brake cleaner
Ceramic grease
Copper grease
Torque wrench
Combination spanner #21
Combination spanner #22
Torx bit E20
Wheel impact socket #17
Ratchet wrench
Ball joint puller
Hydraulic transmission jack
Wheel chock
Replacement: front lower arm – MERCEDES-BENZ C-CLASS T-Model (S204). Tip from AUTODOC experts:
- The replacement procedure is identical for the left and right lower control arms.
- 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 1Secure the wheels with chocks.Step 2Loosen the wheel mounting bolts. Use wheel impact socket #17.
- Step 3Raise the car.Replacement: front lower arm – MERCEDES-BENZ C-CLASS T-Model (S204). 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 4Unscrew 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 5Remove the wheel.
- Step 6Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
- Step 7Unscrew the fastener connecting the control arm to the subframe. Use a combination spanner #21. Use Torx E20. Use a ratchet wrench.
- Step 8Unscrew the ball joint fastening to the steering knuckle. Use a combination spanner #21.
- Step 9Prop up the steering knuckle. Use a hydraulic transmission jack.
- Step 10Disconnect the ball joint from the steering knuckle. Use a ball joint puller.
- Step 11Remove the support from under the steering knuckle.AUTODOC recommends:Replacement: front lower arm – MERCEDES-BENZ C-CLASS T-Model (S204). Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
- Step 12Remove the fastening bolt.
- Step 13Remove the arm.
- Step 14Clean the suspension arm mounting seats. Use a wire brush. Use WD-40 spray.
- Step 15Install a new arm.Replacement: front lower arm – MERCEDES-BENZ C-CLASS T-Model (S204). Tip from AUTODOC:During the installation process, use only new bolts and nuts.
- Step 16Install the fastening bolt.
- Step 17Connect the ball joint to the steering knuckle.
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