C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI
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Loud (ish) power steering - normal?

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Old 08-09-2011, 12:09 AM
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2008 W204
Originally Posted by Glyn M Ruck
Fluid aerates if low.
Max on the measuring stick for temp. Very little between too low & correct in volume.
Buy the genuine approved fluid I list in a post above. Can do better than a dealer but it might be hard to find or try RMeuropean on the internet.

Sorry for M112 pictures but the same.





Hey thanks for all your help!

Yup, mine is low, the engine is fully warmed up and the level is a little below the 80 degree min, I am worried about driving the car before I get the fluid now as it is probably shortening the life of the pump while I only have 2500 miles left on my warranty. At least now I know why the steering is weird at low speeds.
Old 12-30-2011, 04:39 AM
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w204 180K
I had a small accident and during repair my workshop informed me that my pump went dead due to leaking fluid. Now they are changing the pump and stopping the leakage but it was making a weird sound as you say. Once you top the fluid it should be fine though.
Old 12-30-2011, 07:38 PM
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2013 GLK 350 4M (Iridium Silver), 2010 E350 Coupe (Iridium Silver)
Glyn,

My steering doesn't hiss or whine but there is a very noticeable shudder at parking lot or k turn speeds.

Sometimes the shudder comes on as early as 15 degrees from center and other times it is further into the turn.

Any ideas?

I will check p/s fluid in the a.m. if I can find/access it. Maybe the dealer has been overlooking it when I bring it in for service.
Old 12-31-2011, 08:51 AM
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late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Does it squeal at full lock? Check the level. Under the RHS air hose looking from the front of the car. It should not shudder.
Old 03-07-2012, 09:56 PM
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White 2009 C300 Sport
is it bad if i put a bit to much steering fluid in it? because i checked mine and it was at cold max, i had the car parked outside in 5 degrees Celsius weather in canada for about 4 hours when i checked?
i was going to check again after a quick 20 minute drive tom and top it to the second max line, i hate the noise its starting to make inside
Old 03-08-2012, 08:06 AM
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late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Slightly overfull is better than slightly underfilled as long as it does not force it's way past the cap when hot.
Old 03-08-2012, 05:26 PM
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2014 CLS550 4Matic; 2010 E550, 2007 SL550
Originally Posted by blue00r6
I'm curious if my power steering "volume" is normal or not.. its a little louder than other cars i'm used to and has a little more "texture" when turning, esp at parking lot speed.

is everyone elses PS silent at speeds under 3mph? or is there a bit of a whine..
Mine makes some whine. it's a little louder than the engine. It's been bugging me, this thread put me over the edge to have the dealer look at it.
5600 miles of a 135,000 mile warranty
Old 03-08-2012, 06:21 PM
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late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
If you told me that now and again idler & tensioner pulleys were audible above the engine at idle I would possibly accept that as normal but not the PS pump.
Old 03-16-2012, 03:23 PM
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White 2009 C300 Sport
Originally Posted by KA8
No it's suppose to be silient. Your PS rack may be defective. Our 06 C230 had it replaced at 400 miles... yes that's as in NEW car.
my c300 still has warranty till november of this year, will the dealer cover the power steering rack under the warranty?

I've topped off my power steering fluid, with the $40 fluid from MB, but the noise is still there, i hear it inside when i turn the wheel, and its quite sometime, so i can't really find out what it exactly is
Old 01-18-2014, 03:58 AM
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c220 cdi
Has any one fixed this problem yet? and was it the fluid level

Cheers,
Scott

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