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Mercedes-Benz 350SDL Control Arm Assembly Replacement at your home or office.

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Control Arm Assembly Replacement Service

How much does a Control Arm Assembly Replacement cost?

On average, the cost for a Mercedes-Benz 350SDL Control Arm Assembly Replacement is $269 with $59 for parts and $210 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
1991 Mercedes-Benz 350SDLL6-3.4L Turbo DieselService typeControl Arm Assembly - Front Upper Right ReplacementEstimate$458.82Shop/Dealer Price$502.14 - $600.90
1991 Mercedes-Benz 350SDLL6-3.4L Turbo DieselService typeControl Arm Assembly - Front Lower Left ReplacementEstimate$1518.64Shop/Dealer Price$1825.06 - $2728.45
1990 Mercedes-Benz 350SDLL6-3.4L Turbo DieselService typeControl Arm Assembly - Rear Upper Left ReplacementEstimate$3667.49Shop/Dealer Price$4534.49 - $7124.53
1990 Mercedes-Benz 350SDLL6-3.4L Turbo DieselService typeControl Arm Assembly - Front Lower Left ReplacementEstimate$1518.64Shop/Dealer Price$1825.15 - $2728.61
1991 Mercedes-Benz 350SDLL6-3.4L Turbo DieselService typeControl Arm Assembly - Rear Lower Left ReplacementEstimate$3667.49Shop/Dealer Price$4538.35 - $7131.29
1990 Mercedes-Benz 350SDLL6-3.4L Turbo DieselService typeControl Arm Assembly - Front Lower Right ReplacementEstimate$1454.32Shop/Dealer Price$1745.30 - $2600.92
1990 Mercedes-Benz 350SDLL6-3.4L Turbo DieselService typeControl Arm Assembly - Front Upper Right ReplacementEstimate$439.00Shop/Dealer Price$475.67 - $569.44
1990 Mercedes-Benz 350SDLL6-3.4L Turbo DieselService typeControl Arm Assembly - Rear Lower Left ReplacementEstimate$3667.49Shop/Dealer Price$4534.49 - $7124.52
Show example Mercedes-Benz 350SDL Control Arm Assembly Replacement prices

What is a control arm and how does it work?

A control arm is a suspension component, usually made of heavy gauge steel or aluminum, that links the steering knuckle in the front — or axle carrier in the rear — to the frame of the vehicle. Many vehicles have upper and lower control arms. The inboard link(s) of the arm securely bolt to the frame of the vehicle through rubber bushings, while the outboard link of the control arm connects to the steering knuckle through a ball joint; all of which allow the control of the up and down movement of the steering knuckle or axle carrier. This minimizes the transmission of shock and vibration to the vehicle’s body.

When to consider replacing a control arm:

The structural portion of the control arm can last the life of the vehicle — except for cases of corrosion or crash damage. However, the rubber bushings and the ball joint in a control arm have a limited life. A mechanic should investigate if you notice:

  • Wheel alignment difficulties. Should the bushings, or the ball joint, in a control arm be worn, it will be impossible to properly align the vehicle. The worn components, or the entire arm, must be replaced.
  • Vehicle won’t track straight or pulls to one side. A car will not track straight and may require constant steering correction if there is a worn, bent, or loose control arm.
  • Clunking or squeaking noise. A loose control arm, or a control arm with dried out, rotted, or loose bushings, may move enough to cause detectable noise from the suspension as you go over bumps in the road.
  • Vehicle pulls to one side only when braking. Worn bushings or ball joints can allow control arm to shift when braking, causing the vehicle to pull to one side. Although, this could also be caused by brake calipers.

How do mechanics replace a control arm?

  • The vehicle is raised and supported on steel jack stands, and the wheel and tire assembly is removed.
  • Stabilizer bar links are detached from the control arm, if applicable. ABS wiring to the wheel speed sensor, if routed along the arm, is disconnected.
  • Control arm mounting bolts are detached from the frame and from the axle carrier if the control arm is in the rear.
  • For front control arms connected to the steering knuckle via a ball joint, the nut is removed from the ball joint stud and the stud is pushed through the steering knuckle to free the arm.
  • The arm is lowered from the vehicle and examined by the mechanic to confirm that the noise, or other problem, actually originated from a defect in the arm.
  • The new arm is installed using new mounting bolts if required by the service manual. In many cases, the fasteners must be tightened with the vehicle weight on the suspension in order to ensure the bushings are in a neutral, or resting, position.
  • The vehicle is lowered and road tested to confirm the problem is resolved. Replacing a control arm will change the vehicle alignment settings and the mechanic will refer you to a professional alignment shop to have the vehicle alignment set to factory specifications.

Is it safe to drive with a control arm problem?

No. If the car wanders on the road, pulls to one side, or noise from the suspension is loud, you need to schedule repair right away. Should the problem be limited to low levels of noise, such as clunking or squeaking, continued use of the car is reasonable until you can schedule a repair. Should the control arms be damaged as a result of a collision, it would be unsafe to drive the car until it is repaired.

When replacing a control arm keep in mind:

  • The number of control arm types vary from vehicle to vehicle depending on the design of the vehicle suspension.
  • Control arms should be replaced in pairs — arms on both sides of a front or rear axle — if the reason for replacement is worn control arm bushings or a worn ball joint.
  • All other suspension components should be inspected when control arms are replaced because looseness, damage, or excessive wear in other parts of the suspension system will make it impossible to perform a wheel alignment after the control arms are replaced.

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Number of Mercedes-Benz Control Arm Assembly Replacement services completed
308+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
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Meet some of our expert Mercedes-Benz mechanics

Real customer reviews from Mercedes-Benz owners like you.

Excellent Rating

(28)
Rating Summary
26
2
0
0
0
26
2
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Quentin

23 years of experience
213 reviews
Request Quentin
Quentin
23 years of experience
Request Quentin
by Robin
Mercedes-Benz SLK350 V6-3.5L - Control Arm Assembly Replacement (Front Lower Left) - Katy, Texas
Again, Quentin is very skilled and experienced. He is our mechanic for Mercedes and Volkswagen! Robin

John

32 years of experience
53 reviews
Request John
John
32 years of experience
Request John
by Danny
Mercedes-Benz C280 V6-3.0L - Control Arm Assembly Replacement (Front Lower Left) - Woburn, Massachusetts
Great work! John was able to come by early and finished the job much faster than expected. Very pleasant to deal with and will work with him again in the future!

Deward

18 years of experience
156 reviews
Request Deward
Deward
18 years of experience
Request Deward
by Vitor
Mercedes-Benz GLK350 V6-3.5L - Control Arm Assembly Replacement (Front Upper Right) - Greensboro, North Carolina
Deward as great -fast, efficient, safety concerned and very knowledgeable on what he was doing.

Michael

17 years of experience
606 reviews
Request Michael
Michael
17 years of experience
Request Michael
by Angelo
Mercedes-Benz CLS55 AMG V8-5.5L Turbo - Control Arm Assembly Replacement (Front Lower Right) - Norcross, Georgia
Overall great service and person.

Excellent Rating

(28)
Rating Summary
26
2
0
0
0
26
2
0
0
0
Number of Mercedes-Benz Control Arm Assembly Replacement services completed
308+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
1100+
experts on our platform
Yourmechanic was featured in

New York Times NBC CBS Forbes INC Tech Crunch

Learn more about us

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