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Old 10-23-2014, 11:48 AM
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Join Date: Sep 2014
Posts: 13
Changing one strut 2007 s550

The front drivers strut is bad in my dads s550 and basically i'm receiving quotes of either 1800 dealer.. blablabla or roughly 500 with a rebuilt arnot suspension installed by this indy near me. Am I missing something or is it just better all around to go with the arnott for 500. Also depending on where I look it seems to state that arnott shocks are under a lifetime warranty.

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Old 10-23-2014, 02:25 PM
Senior Member
Join Date: Nov 2002
Posts: 799
i would be hesitant to substitute anything in the suspension, due to the anti-roll setup with the factory shocks being tied to the abs, etc. i have no experience with the arnotts and my take from the field is 60-70% against due to that alone. good luck, chuck.
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Old 10-23-2014, 02:39 PM
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Join Date: Apr 2000
Location: Oakville, Ontario, Canada
Posts: 421
Arnott struts are rebuilt MB ones. They take apart all of the 'wear' items (air cells, etc) and replace them.

They say the new parts are better and stronger. They use Continental as a supplier for many of their air cells fro example.

I suspect they disassemble a strut, take an air bag and find the "best possible" replacement with higher standards, better quality, etc. Then they install and test. They probably do this for every part and then put the thing back together. Then they duplicate it with every one they get in the future for rebuild.

I have lots of Arnott struts installed (both Airmatic and ABC) and they have been just as good as the MB ones. They are probably better but I won't know till I have much more mileage on the cars.

At minimum they are exactly the same quality as MB.

I wouldn't hesitate with replacing with an Arnott. They'll also give you a (lifetime?) warranty. Where MB will ask you to buy another strut yet again when this one fails, because it's identical to the bad one on your car that you are replacing already!

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