when i start my mercedes benz S 500 i hear a weird sound from power steering and hyrdullic pump. i replaced pump with new still same sound is their


Asked by Jan 09, 2014 at 08:43 AM about the 2003 Mercedes-Benz S-Class

Question type: Maintenance & Repair

3 Answers


low power steering fliud maybe leaking from somewhewere,or maybe a belt is loose.

1 out of 1 people think this is helpful.

I checked steering and hydraulic fluid both ok. Fan belt is tight not loose. What you say about accumulator for hydraulic oil shocks height control. It might make sound when engine is start and you press gas

1 out of 1 people think this is helpful.

I had the same thing with my 2007 SL last month. Thank God for extended warranty. It was a $2400 repair for replacements of the accumulator. It's a fairly common repair once these get some age on them.

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