ML55 AMG, ML63 AMG (W163, W164) 1999 - 2011 Two Generations

2002 ML 55 AMG Steering noise.

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Old Dec 15, 2017 | 03:39 PM
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pierrot69's Avatar
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ML 55 AMG 2002
2002 ML 55 AMG Steering noise.

Hello everyone,

Every time I manoeuvre the steering wheel from a cold start I hear a loud "hydraulic" noise.
Any Ideas?
Is it a steering pump malfunction or it just needs fluid replacement?
The noise goes away when the car is warm.

Thank you.
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Old Dec 16, 2017 | 12:01 PM
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Solo wing's Avatar
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From: Dhahran, KSA
2020 E 300 Coupe and 2019 GLS 400
First, check the fluid level. If it is low add more and check. If it does not fix the noise, replace the fluid -> suck, refill, and repeat method.
Sometimes the screen/filter inside the reservoir gets clogged and causes starvation/cavitation to the pump. I just replaced the reservoir on my car and the noise is completely gone.
https://www.ultimatepowersteering.co...rcedes-ml-320/
If the noise is still present, I guess you have issues with the pump, rack or perhaps an issue with the belt.
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Old Dec 16, 2017 | 12:05 PM
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pierrot69's Avatar
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ML 55 AMG 2002
Originally Posted by Solo wing
First, check the fluid level. If it is low add more and check. If it does not fix the noise, replace the fluid -> suck, refill, and repeat method.
Sometimes the screen/filter inside the reservoir gets clogged and causes starvation/cavitation to the pump. I just replaced the reservoir on my car and the noise is completely gone.
https://www.ultimatepowersteering.co...rcedes-ml-320/
If the noise is still present, I guess you have issues with the pump, rack or perhaps an issue with the belt.
Thanks for the advice, I ll look into that.
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