Mercedes-Benz Control Arms & Parts

All About Control Arms & Parts for Mercedes-Benz

The control arms on your Mercedes-Benz vehicle are critical parts of its suspension system. They're a direct connection between the chassis and your front wheel assemblies. One end of the arm is attached to the chassis, where bushings help reduce noise and vibration while also limiting metal-on-metal contact. The other end affixes to a steering knuckle via a ball joint. That allows your wheels to move as needed all directions.

The Three Types of Control Arm Assemblies

If your vehicle uses MacPherson struts, it likely relies on bolt-in assemblies. Unitized and press-in types are integrated with the ball joint, which means you'll need to replace the entire control arm assembly when taking on the task. That, believe it or not, is usually an easier and less time-consuming project than replacing a bolt-in assembly involves.

Signs of Problems with a Mercedes-Benz Control Arm

Unfortunately, control arms go bad gradually. That means you might be driving on one that's failing without even realizing something's wrong. Symptoms of trouble include:

• Vibrating wheels
• Your steering wheel pulling to one side
• Odd noises from your wheels
• The wheels wobbling
• Uncomfortable ride quality
• Uneven tire wear
• Erratic braking

Notice any such signs, and you'll need to run an inspection and, if results call for it, swap out the old control arm for the new. (If you're looking for help with the job, feel free to schedule a service appointment at a Mercedes-Benz dealer.)

The Average Cost of a Control Arm Replacement

This might run you $680 to $760 on average, according to recent RepairPal data, but that kind of figure's for an economy car; cost can vary for luxury models like those of Mercedes-Benz. Take Mercedes-Benz C 300 control arm replacement, for example; that might run you more like $1,110 to $1,170 on average.

Shop Genuine OEM Control Arms & Parts Online at Mercedes-Benz USA

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