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How to change rear lower arm on Mercedes W124 – replacement guide
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Important!
This replacement procedure can be used for:
MERCEDES-BENZ E-Class Saloon (W124) E 300 D (124.131), MERCEDES-BENZ E-Class Saloon (W124) E 200 (124.019), MERCEDES-BENZ E-Class Saloon (W124) E 220 (124.022), MERCEDES-BENZ E-Class Saloon (W124) E 280 (124.029), MERCEDES-BENZ E-Class Saloon (W124) E 280 (124.028), MERCEDES-BENZ E-Class Saloon (W124) E 320 (124.032), MERCEDES-BENZ E-Class Saloon (W124) E 420 (124.034), MERCEDES-BENZ E-Class Saloon (W124) E 500 (124.036), MERCEDES-BENZ E-Class Saloon (W124) E 200 D (124.120), MERCEDES-BENZ E-Class Saloon (W124) E 250 Turbo-D (124.128), MERCEDES-BENZ E-Class Saloon (W124) E 300 Turbo-D 4-matic (124.333), MERCEDES-BENZ E-Class Saloon (W124) E 300 Turbo-D (124.133), MERCEDES-BENZ E-Class Saloon (W124) E 300 4-matic (124.230), MERCEDES-BENZ E-Class Saloon (W124) E 60 AMG (124.036), MERCEDES-BENZ E-Class Saloon (W124) E 36 AMG, MERCEDES-BENZ E-Class Saloon (W124) E 500 (124.036) … View more
The steps may slightly vary depending on the car design.
MERCEDES-BENZ E-Class Saloon (W124) E 300 D (124.131), MERCEDES-BENZ E-Class Saloon (W124) E 200 (124.019), MERCEDES-BENZ E-Class Saloon (W124) E 220 (124.022), MERCEDES-BENZ E-Class Saloon (W124) E 280 (124.029), MERCEDES-BENZ E-Class Saloon (W124) E 280 (124.028), MERCEDES-BENZ E-Class Saloon (W124) E 320 (124.032), MERCEDES-BENZ E-Class Saloon (W124) E 420 (124.034), MERCEDES-BENZ E-Class Saloon (W124) E 500 (124.036), MERCEDES-BENZ E-Class Saloon (W124) E 200 D (124.120), MERCEDES-BENZ E-Class Saloon (W124) E 250 Turbo-D (124.128), MERCEDES-BENZ E-Class Saloon (W124) E 300 Turbo-D 4-matic (124.333), MERCEDES-BENZ E-Class Saloon (W124) E 300 Turbo-D (124.133), MERCEDES-BENZ E-Class Saloon (W124) E 300 4-matic (124.230), MERCEDES-BENZ E-Class Saloon (W124) E 60 AMG (124.036), MERCEDES-BENZ E-Class Saloon (W124) E 36 AMG, MERCEDES-BENZ E-Class Saloon (W124) E 500 (124.036) … View more
The steps may slightly vary depending on the car design.
How to change rear suspension arm on MERCEDES W124 [TUTORIAL AUTODOC]

All the parts you need to replace – Control Arm for E-Class Saloon (W124) and other MERCEDES-BENZ models
Suspension arm
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 W124. 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 2Loosen 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 4Unscrew the wheel bolts.Replacement: rear lower arm – Mercedes W124. AUTODOC recommends:To avoid injury, hold up the wheel when unscrewing the bolts.
- Step 5Remove the wheel.
- Step 6Clean the control arm fasteners. Use a wire brush. Use WD-40 spray.
- Step 7Unscrew the fastener connecting the control arm to the subframe. Use a combination spanner #18. Use XZN #12. Use a ratchet wrench.
- Step 8Unscrew the fastener that connects the suspension arm to the stub axle. Use a combination spanner #18. Use XZN #12. Use a ratchet wrench.
- Step 9Remove the fastening bolts.
- Step 10Remove the control arm.
- Step 11Clean the suspension arm mounting seats. Use a wire brush. Use all-purpose cleaning spray.
- Step 12Install a new control arm.
- Step 13Install the fastening bolts.
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