R-Class (W251) Produced 2006-2013: R320CDI, R350, R420CDI, R500

Airmatic failed

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Old 11-12-2010, 12:38 AM
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2011 C300 4matic, 2015 Porsche Macan S, 2006 R500 (sold)
Airmatic failed

One of the front Airmatic shock for my R500 failed (leaked air) overnight in my garage and it is now in the dealership waiting for the shock to be replaced. Hope my extended warranty pull through or it is going to be $$$$$$.

One thing I finally agree with those S-class and AMG owners. It is not "will" the airmatic shock fails, it is more "when" the airmatic shock fails. CRAP!
Old 11-12-2010, 08:24 PM
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06 R500 / 03 CLK430 Conv
Originally Posted by supernsx
One of the front Airmatic shock for my R500 failed (leaked air) overnight in my garage and it is now in the dealership waiting for the shock to be replaced. Hope my extended warranty pull through or it is going to be $$$$$$.

One thing I finally agree with those S-class and AMG owners. It is not "will" the airmatic shock fails, it is more "when" the airmatic shock fails. CRAP!
Join the club, my 2006 R500 is currently getting two new front struts, both developed leaks at only 64,000 miles. I'm replacing them with refurb ones from Arnott.

I don't think changing struts at 64,000 should be expected on a car that carries a premium price tag. I'd love to be able to have the time to get together with other owners that have airmatic failures and investigate a legal avenue.

How many miles do you have? If you have the kind of mileage I have, be prepared to change the other front side too.

My advice, if you are buying an airmatic equiped vehicle with over 50,000 miles, put money aside for a warranty, or to pay for new struts, because as you say it's not 'if' but 'when'.
Old 11-12-2010, 09:55 PM
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2011 C300 4matic, 2015 Porsche Macan S, 2006 R500 (sold)
Originally Posted by y2b4sure
Join the club, my 2006 R500 is currently getting two new front struts, both developed leaks at only 64,000 miles. I'm replacing them with refurb ones from Arnott.

I don't think changing struts at 64,000 should be expected on a car that carries a premium price tag. I'd love to be able to have the time to get together with other owners that have airmatic failures and investigate a legal avenue.

How many miles do you have? If you have the kind of mileage I have, be prepared to change the other front side too.

My advice, if you are buying an airmatic equiped vehicle with over 50,000 miles, put money aside for a warranty, or to pay for new struts, because as you say it's not 'if' but 'when'.
Mine has about 54K miles. I asked the dealer to check the others and it seems they are fine. Still have not heard back from the extended warranty company and have my fingers cross.
Old 11-13-2010, 05:50 AM
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2013 E350 wagon cuprite brown; sold:2014 ML63; R500 Saks Edition; R500; more W124s than I can count
my r500. also w/ full airmatic, had both front struts replaced by the prior owner under warranty at about 40k miles [!] and no trouble since. the car now has 55k miles...
Old 11-13-2010, 10:29 AM
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2004 G500, 2022 GLS450
RF replaced a month or so ago. 70K miles. Replaced under CPO warranty.
My Audi allroad has a similar setup. As mentioned above, Arnott Industries is the place to go for replacements if you are out of warranty. Excellent customer service.
Old 11-13-2010, 06:48 PM
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Since it's my wife's car, I don't know if she has the airmatic or not, but both rear struts are being replaced at the dealer now. We've been complaining about a bump/thump sound in the rear for a good while.

What are the symptons of a failed airmatics?
Old 11-13-2010, 10:09 PM
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06 R500 / 03 CLK430 Conv
Originally Posted by a930rocket
Since it's my wife's car, I don't know if she has the airmatic or not, but both rear struts are being replaced at the dealer now. We've been complaining about a bump/thump sound in the rear for a good while.

What are the symptons of a failed airmatics?
The usual problem is air leaking out the strut, so a corner or front or back sits much lower than normal in the morning.

I think there was a bulletin for thump noises from rear suspension. My advice, do everything you can to get all struts changed under warranty as they don't last that long.
Old 11-14-2010, 11:27 AM
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I hadn't noticed one side or the other riding low in the AM or any any time. The car does have some kind of rubber bags in the coils in back. Would that be part of the airmatic?

Right now, I'm in discussions with them to fix a broken mount or brace between the catalytic converters. Seems it has broken off and vibrates badly until it warms up. They say it's not covered under warrranty.

Originally Posted by y2b4sure
The usual problem is air leaking out the strut, so a corner or front or back sits much lower than normal in the morning.

I think there was a bulletin for thump noises from rear suspension. My advice, do everything you can to get all struts changed under warranty as they don't last that long.
Old 11-30-2010, 12:24 AM
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Airmatic sucks galore!!

Mercedes Listen Up.
Obviously this is not something random that happens as I find owners complaining about the same. This should be part of a recall and not an expensive repair by the owners. Sad that dont even come up with replacement parts a little more inexpensive but other companies do because they see where Mercedes is failing and simply ripping people off. So my airmatic compressor and driver side strut on my 2006 r350 w251 out of warranty but under 80000 kms.. 72000kms to be exact, has failed...and as such Im looking at $1300 for the strut and $2200 for the compressor plus labour costs to replace...are u f..ing kidding me??? lol. Needless to say the disapointement is there and I hereby advise any potential buyers to beware of the airmatic crap. As someone pointed out its not a question of it will fail...but when. My guess will be just as soon as it is out of warranty. Mercedes should take responsability for such poor design in parts and try to resolve and make good with the owners that bought this crap. I m ditching the car just after I somehow try to get a makeshift repair with some duck tape or something cause I will not pay to replace with with the same crap.
Enough said.
Buyers beware..
If anyone has a more inexpesive solution for my problem i would really love to hear from You ... Thank You!

Hilario Ferreira

Last edited by hilariof; 11-30-2010 at 12:26 AM. Reason: grammar
Old 11-30-2010, 05:47 AM
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That's not good to hear. I've been priming the pump with my wife to ditch the car when the extended warranty goes out.

Looking at the rear shocks that were replaced, they looked like simple shocks. Hard to believe they are mega dollars unless we don't have airmatic.

What are the round air bag looking things on the rear control arms?
Old 11-30-2010, 06:46 AM
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Originally Posted by a930rocket
That's not good to hear. I've been priming the pump with my wife to ditch the car when the extended warranty goes out.

Looking at the rear shocks that were replaced, they looked like simple shocks. Hard to believe they are mega dollars unless we don't have airmatic.

What are the round air bag looking things on the rear control arms?
If you can raise the car up and down via a switch under the COMAND you have airmatic. If you don't you still have self leveling suspension in the back as standard.
Old 11-30-2010, 11:19 AM
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Thanks. No switch that I know of.

What are the black air bag looking things on the control arms?

Originally Posted by aggst1
If you can raise the car up and down via a switch under the COMAND you have airmatic. If you don't you still have self leveling suspension in the back as standard.
Old 11-30-2010, 12:22 PM
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Originally Posted by a930rocket
Thanks. No switch that I know of.

What are the black air bag looking things on the control arms?
You do have air in the back as part of the self leveling system.
Old 11-30-2010, 04:59 PM
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2011 C300 4matic, 2015 Porsche Macan S, 2006 R500 (sold)
Originally Posted by hilariof
Mercedes Listen Up.
Obviously this is not something random that happens as I find owners complaining about the same. This should be part of a recall and not an expensive repair by the owners. Sad that dont even come up with replacement parts a little more inexpensive but other companies do because they see where Mercedes is failing and simply ripping people off. So my airmatic compressor and driver side strut on my 2006 r350 w251 out of warranty but under 80000 kms.. 72000kms to be exact, has failed...and as such Im looking at $1300 for the strut and $2200 for the compressor plus labour costs to replace...are u f..ing kidding me??? lol. Needless to say the disapointement is there and I hereby advise any potential buyers to beware of the airmatic crap. As someone pointed out its not a question of it will fail...but when. My guess will be just as soon as it is out of warranty. Mercedes should take responsability for such poor design in parts and try to resolve and make good with the owners that bought this crap. I m ditching the car just after I somehow try to get a makeshift repair with some duck tape or something cause I will not pay to replace with with the same crap.
Enough said.
Buyers beware..
If anyone has a more inexpesive solution for my problem i would really love to hear from You ... Thank You!

Hilario Ferreira
Yeah... here is the breakdown (US$) of the repair bill that was fortunately being covered by the extended warranty:

Airmatic:
Passenger front Hyprophneumat (Airmatic Strut): $1144
Valve Block: $246
Labor: 770
Old 11-30-2010, 05:10 PM
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X166, 997
look familiaR?

I think mine gave out at 60k miles...took a picture...told friends i lowered my minivan as a joke...
Attached Thumbnails Airmatic failed-r500flatshock.jpg  
Old 11-30-2010, 06:14 PM
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can someone tell me how to replace front passager side strut
Old 11-30-2010, 08:26 PM
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06 R500 / 03 CLK430 Conv
Originally Posted by hilariof
Mercedes Listen Up.
Obviously this is not something random that happens as I find owners complaining about the same. This should be part of a recall and not an expensive repair by the owners. Sad that dont even come up with replacement parts a little more inexpensive but other companies do because they see where Mercedes is failing and simply ripping people off. So my airmatic compressor and driver side strut on my 2006 r350 w251 out of warranty but under 80000 kms.. 72000kms to be exact, has failed...and as such Im looking at $1300 for the strut and $2200 for the compressor plus labour costs to replace...are u f..ing kidding me??? lol. Needless to say the disapointement is there and I hereby advise any potential buyers to beware of the airmatic crap. As someone pointed out its not a question of it will fail...but when. My guess will be just as soon as it is out of warranty. Mercedes should take responsability for such poor design in parts and try to resolve and make good with the owners that bought this crap. I m ditching the car just after I somehow try to get a makeshift repair with some duck tape or something cause I will not pay to replace with with the same crap.
Enough said.
Buyers beware..
If anyone has a more inexpesive solution for my problem i would really love to hear from You ... Thank You!

Hilario Ferreira
The best inexpensive (relatively speaking) solution is to buy refurb struts from Arnott, then have an indy fit them, or DIY. Strut is less than $400 including shipping. Fitting should be ~2hrs.

Be prepared to replace the other side soon too. It is subjected to more or less the same wear.

Last edited by y2b4sure; 11-30-2010 at 08:38 PM.
Old 11-30-2010, 08:29 PM
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06 R500 / 03 CLK430 Conv
Originally Posted by yotunya
can someone tell me how to replace front passager side strut
Here's the best guide I could find, https://mbworld.org/forums/w211-amg/...there-any.html

It's for a 2wd W211 E-Class, so the procedure will be slightly different. One major difference is dealing with the half shaft if your R is 4wd, which most are.
Old 11-30-2010, 08:34 PM
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06 R500 / 03 CLK430 Conv
From the reading that I did, it seems that Airmatic struts don't seem to last much past 60k - 70k miles. If you are going to own the car during that period, be prepared to replace them, or get a warranty.

At least now when the time comes to sell my car, the new owner can have comfort knowing the struts have already been replaced.

I do like the smooth ride with Airmatic, but the system should last MUCH longer, especially since MB is a premium brand.
Old 12-01-2010, 02:21 PM
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2011 C300 4matic, 2015 Porsche Macan S, 2006 R500 (sold)
Originally Posted by y2b4sure
From the reading that I did, it seems that Airmatic struts don't seem to last much past 60k - 70k miles. If you are going to own the car during that period, be prepared to replace them, or get a warranty.

At least now when the time comes to sell my car, the new owner can have comfort knowing the struts have already been replaced.

I do like the smooth ride with Airmatic, but the system should last MUCH longer, especially since MB is a premium brand.
Yeah, mine failed at 54K.
Old 12-01-2010, 11:17 PM
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I have 80,000 miles on my 08 R320 and no issues.

I've pulled trailers that put a good load on the car.

Some must be okay.
Old 12-02-2010, 12:29 AM
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Originally Posted by hilariof
Mercedes Listen Up.
Obviously this is not something random that happens as I find owners complaining about the same. This should be part of a recall and not an expensive repair by the owners. Sad that dont even come up with replacement parts a little more inexpensive but other companies do because they see where Mercedes is failing and simply ripping people off. So my airmatic compressor and driver side strut on my 2006 r350 w251 out of warranty but under 80000 kms.. 72000kms to be exact, has failed...and as such Im looking at $1300 for the strut and $2200 for the compressor plus labour costs to replace...are u f..ing kidding me??? lol. Needless to say the disapointement is there and I hereby advise any potential buyers to beware of the airmatic crap. As someone pointed out its not a question of it will fail...but when. My guess will be just as soon as it is out of warranty. Mercedes should take responsability for such poor design in parts and try to resolve and make good with the owners that bought this crap. I m ditching the car just after I somehow try to get a makeshift repair with some duck tape or something cause I will not pay to replace with with the same crap.
Enough said.
Buyers beware..
If anyone has a more inexpesive solution for my problem i would really love to hear from You ... Thank You!
Yes, when - not if.
I got S-class class action lawsuit w/ attys for some windshield debris stuff...next time, we should keep these attys names and then contact them for the airmatic struts. I have 2 replaced around 60k miles - with a few weeks of one another. Thank goodness for CPO - but what about after that? From my usage, I'm still not convinced that airmatics is better than having the conventional suspension. And while the attys are at it, they should include the ABC system and cars on a separate lawsuits.
PL
Old 12-02-2010, 12:46 AM
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I guess I'm just a happy guy who loves driving a Mercedes.

There will be issues, but nothing beats driving a Benz in my book.
Old 12-02-2010, 03:27 PM
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Originally Posted by Ted Flynn
I have 80,000 miles on my 08 R320 and no issues.

I've pulled trailers that put a good load on the car.

Some must be okay.
Are you sure you have Airmatic? You have the suspension button beneath the COMAND unit?
Old 12-02-2010, 06:24 PM
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I do not have that button you speak of, but I do have an air ride system. My car will self level when there's a load on the rear end.


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