Important!

This replacement procedure can be used for:
MERCEDES-BENZ E-Class Saloon (W210) E 220 D (210.004), MERCEDES-BENZ E-Class Saloon (W210) E 250 D (210.010), MERCEDES-BENZ E-Class Saloon (W210) E 200 (210.035), MERCEDES-BENZ E-Class Saloon (W210) E 300 D (210.020), MERCEDES-BENZ E-Class Saloon (W210) E 230 (210.037), MERCEDES-BENZ E-Class Saloon (W210) E 320 (210.055), MERCEDES-BENZ E-Class Saloon (W210) E 290 Turbo-D (210.017), MERCEDES-BENZ E-Class Saloon (W210) E 280 (210.053), MERCEDES-BENZ E-Class Saloon (W210) E 420 (210.072), MERCEDES-BENZ E-Class Saloon (W210) E 50 AMG (210.072), MERCEDES-BENZ E-Class Saloon (W210) E 270 CDI (210.016), MERCEDES-BENZ E-Class Saloon (W210) E 280 (210.063), MERCEDES-BENZ E-Class Saloon (W210) E 320 (210.065), MERCEDES-BENZ E-Class Saloon (W210) E 300 Turbo-D (210.025), MERCEDES-BENZ E-Class Saloon (W210) E 250 Turbo-D (210.015), MERCEDES-BENZ E-Class Saloon (W210) E 200 D (210.003), MERCEDES-BENZ E-Class Saloon (W210) E 240 (210.061), MERCEDES-BENZ E-Class Saloon (W210) E 200 Kompressor (210.045), MERCEDES-BENZ E-Class Saloon (W210) E 55 AMG (210.074), MERCEDES-BENZ E-Class Saloon (W210) E 220 CDI (210.006), MERCEDES-BENZ E-Class Saloon (W210) E 200 CDI (210.007), MERCEDES-BENZ E-Class Saloon (W210) E 220 D, MERCEDES-BENZ E-Class Saloon (W210) E 200 CDI (210.007), MERCEDES-BENZ E-Class Saloon (W210) E 220 CDI (210.006), MERCEDES-BENZ E-Class Saloon (W210) E 270 CDI (210.016), MERCEDES-BENZ E-Class Saloon (W210) E 320 CDI (210.026), MERCEDES-BENZ E-Class Saloon (W210) E 200 Kompressor (210.048), MERCEDES-BENZ E-Class Saloon (W210) E 240 (210.062), MERCEDES-BENZ E-Class Saloon (W210) E 220 CDI (210.006) … View more

The steps may slightly vary depending on the car design.

How to change front suspension arm / front control arm on MERCEDES-BENZ E (W210) [TUTORIAL AUTODOC]

All the parts you need to replace – Control Arm for E-Class Saloon (W210) and other MERCEDES-BENZ models

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Replacement: front lower arm – Mercedes W210. List of the tools you'll need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Copper grease 
                    
                      Torx bit T50
                    
                      Drive socket # 10 
                    
                      Drive socket # 16 
                    
                      Combination spanner #16
                    
                      Combination spanner #22
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Crow bar
                    
                      Tap wrench
                    
                      Pin punch
                    
                      Rubber mallet
                    
                      Strut spring compressor
                    
                      Ball joint puller
                    
                      Hydraulic transmission jack
                    
                      Wheel chock

Buy tools

Replacement: front lower arm – Mercedes W210. AUTODOC experts recommend:

The replacement procedure is identical for the left and right lower control arms.
All work should be done with the engine stopped.

Replacement: front lower arm – Mercedes W210. Recommended sequence of steps:

Step 1

Secure the wheels with chocks.
Step 2

Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 3

Raise the front of the car and secure on supports.
Step 4

Unscrew the wheel bolts.

AUTODOC recommends:
Important! Hold the wheel while unscrewing the fastening bolts. Mercedes W210
Step 5

Remove the wheel.
Step 6

Clean all joints of the arm. Use a wire brush. Treat all joints of the arm. Use WD-40 spray.
Step 7

Unscrew the front arm fastener. Use a combination spanner #22.
Step 8

Unscrew the rear arm fastener. Use a combination spanner #22.
Step 9

Loosen the fastener connecting the ball joint to the steering knuckle. Use a combination spanner #22.
Step 10

Install the coil spring compressor on the coil spring.

Replacement: front lower arm – Mercedes W210. Tip from AUTODOC experts:
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 11

Compress the spring.

Replacement: front lower arm – Mercedes W210. Tip from AUTODOC:
Be careful. The compressed spring is powerful and in case of disrupting ties, straightening, it can cause injury.
Step 12

Unscrew the ball joint fastening to the steering knuckle. Use a combination spanner #22.
Step 13

Disconnect the ball joint from the steering knuckle. Use a ball joint puller.
Step 14

Unscrew the fastener connecting the shock strut to the suspension control arm. Use a drive socket #16. Use a combination spanner #16. Use a ratchet wrench.
Step 15

Disconnect the transverse stabilizer fastener from the link. Use Torx T50. Use a tap wrench.
Step 16

Remove the stabilizer rod. Use a crowbar.
Step 17

Support the arm. Use a hydraulic transmission jack.
Step 18

Remove the fastening bolt. Use a pin punch. Use a rubber mallet.
Step 19

Unscrew the front arm fastener. Use a combination spanner #22 (2 pieces).
Step 20

Remove the fastening nut.
Step 21

Unscrew the rear arm fastener. Use a combination spanner #22 (2 pieces).
Step 22

Make a mark on the camber adjustment bolt. Use a crowbar. Use a rubber mallet.
Step 23

Remove the fastening nut.
Step 24

Remove the fastening bolts.
Step 25

Unscrew the fastener connecting the ball joint to the suspension control arm. Use a combination spanner #22.
Step 26

Lower the hydraulic transmission jack by 10-15 cm.

AUTODOC recommends:
Replacement: front lower arm – Mercedes W210. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 27

Remove the coil spring together with the coil spring compressor.

Replacement: front lower arm – Mercedes W210. AUTODOC experts recommend:
While the spring is compressed, do not do any operations on it.
Step 28

Detach the fastener connecting the suspension level sensor to the suspension control arm. Use a drive socket #10. Use a ratchet wrench.
Step 29

Remove the arm. Use a crowbar.
Step 30

Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 31

Install a new arm.

Replacement: front lower arm – Mercedes W210. AUTODOC recommends:
During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
Step 32

Install the ball joint on the new arm. Use a combination spanner #22.
Step 33

Support the arm. Use a hydraulic transmission jack.
Step 34

Position the control arm according to its mounting holes. Use a rubber mallet. Use a crowbar.
Step 35

Install the control arm fasteners. Use a rubber mallet.
Step 36

Attach the fastener connecting the suspension level sensor to the suspension control arm. Use a drive socket #10. Use a ratchet wrench.
Step 37

Lower the hydraulic transmission jack by 10-15 cm.

AUTODOC recommends:
Mercedes W210 – Do not lower the transmission jack sharply to avoid damaging components and mechanisms of the car.
Step 38

Install the coil spring together with the rubber mounts into the mounting seats.

Replacement: front lower arm – Mercedes W210. Tip from AUTODOC:
Make sure that the coil spring is correctly positioned in its mounting seats.
Step 39

Support the arm. Use a hydraulic transmission jack.
Step 40

Attach the suspension control arm to the shock strut.

Step 41

Install the fastener connecting the shock strut to the suspension control arm.
Step 42

Tighten the ball joint fastening nut. Use a combination spanner #22.
Step 43

Raise the hydraulic transmission jack by 10-15 cm.
Step 44

Tighten the arm fastening to the subframe. Use a combination spanner #22. Use a torque wrench. Tighten it to 120 nm torque.
Step 45

Decompress the spring.
Step 46

Remove the coil spring compressor.
Step 47

Remove the support from under the arm.

AUTODOC recommends:
Lower the hydraulic transmission jack smoothly, without jerks, to avoid damaging assemblies and mechanisms.
Step 48

Ιnstall the transverse stabilizer link.
Step 49

Tighten the ball joint fastener. Use a combination spanner #22. Use a torque wrench. Tighten it to 80 nm torque.
Step 50

install the rod fastening to the stabilizer and tighten it. Use Torx T50. Use a torque wrench. Tighten it to 45 nm torque.
Step 51

Tighten the fastener connecting the shock strut to the suspension control arm. Use a drive socket #16. Use a torque wrench. Tighten it to 55 nm torque.
Step 52

Treat all joints of the arm. Use copper grease.
Step 53

Clean the wheel rim mounting seat. Use a wire brush. Treat the contacting surface. Use copper grease.
Step 54

Install the wheel.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while screwing in the fastening bolts on the car. Mercedes W210
Step 55

Screw in the wheel bolts. Use wheel impact socket #17.
Step 56

Lower the car and working in a cross order, tighten the wheel bolts. Use a torque wrench. Tighten it to 112 nm torque.
Step 57

Remove the jacks and chocks.

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