E-Class (W211) 2003-2009

Airmatic issue

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Old Nov 24, 2019 | 12:11 PM
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Matteo Sukic's Avatar
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w211 04 e220
Question Airmatic issue

Hello,I am having a bit of an headache, over the last few weeks I have experienced overnight that my w211 e class lowers to the ground, on the rear right side.The rear left also lowers but not to the ground,the mechanics told me that it's probably only the right side that is leaking,and that is the cause of the left side also going a bit lower,than usual,now I don't know what to do should I replace only one airbag or both rear ones?I have measured that the right rear drops completely to the ground, and the left side drops down over the first night(just like the right one),and then for the next few days left side stays like that,without going completely to the ground(higher than the right one).Any advice will be helpful thank you.
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Old Nov 24, 2019 | 01:09 PM
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'71 Pinto
Check for leaks, no leaks bellows or internal valve may be faulty requiring replacement. Note, if replacement is needed and vehicle is 50,000 miles > I would suggest replacing both sides - shop aftermarket Arnott.




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Air spring.pdf (154.6 KB, 164 views)
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Old Nov 24, 2019 | 01:16 PM
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w211 04 e220
I am hearing the air on the right airbag when I turn on the car when it's raising, but not on the left one..
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Old Nov 24, 2019 | 01:39 PM
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Again, check for leaks @ right strut at all air line connections spraying soapy water. No leaks, inspect condition of bellows if all seems fine internals are gone and need to replace strut.
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Old Nov 24, 2019 | 02:37 PM
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Common experience is that MB bags last about 10 years, so if yours are about that age - just replace them both.
Right now you are killing the compressor with the overtime work.
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Old Nov 25, 2019 | 03:39 PM
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w211 04 e220
Here are some photos btw is it normal that the front right one also lowers like 10-20mm overnight when it’s cold?

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Old Nov 27, 2019 | 01:10 PM
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no, you need to diagnose your leaks, but as already said you are probably looking at new airbags all around
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Old Nov 27, 2019 | 01:56 PM
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w211 04 e220
Originally Posted by CastorTroy
no, you need to diagnose your leaks, but as already said you are probably looking at new airbags all around
yeah i already bought the rear ones i will not replace the front ones since the right one only falls 10-20mm depends on surface and will stay there without falling any further so maybe it has a slow leak or maybe it has bad level sensor ..
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Old Nov 27, 2019 | 01:59 PM
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2014 E550
doing that will cause your compressor to burn out fairly quickly. it might just be an airline, you need to figure out whats going on
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Old Nov 27, 2019 | 02:01 PM
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w211 04 e220
Originally Posted by CastorTroy
doing that will cause your compressor to burn out fairly quickly. it might just be an airline, you need to figure out whats going on
will see when it gets on car lift next week will keep u guys updated
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Old Dec 3, 2019 | 03:12 AM
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w211 04 e220
Yesterday replaced rear struts, greeted this morning with all 4 corners staying up equally,so that was my problem, thank you guys for help!
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