Arnott Intros New Front Right and Front Left Air Struts for '03-'06 S-Class (W220) - Mercedes-Benz Forum
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post #1 of 4 (permalink) Old 03-04-2015, 11:04 AM Thread Starter
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Arnott Intros New Front Right and Front Left Air Struts for '03-'06 S-Class (W220)

Arnott Introduces New Front Right and Front Left Air Struts
for '03-'06 S-Class (W220) with AIRMATIC and with 4MATIC

Arnott Air Suspension Products announced the introduction of new, Arnott-designed aftermarket Front Right and Front Left air struts for the 2003 to 2006 Mercedes-Benz S-Class (W220 Chassis) with AIRMATIC and with 4MATIC.

The Arnott air struts replace OEM Part Numbers 2203202238 (right) and 2203202138 (left).

Arnott Part Numbers are AS-2783 and AS-2784, and they retail for $576.66 each. A detailed Installation Manual is available for download to help ensure a successful remove and replace experience.

The struts are backed by Arnott's Limited Lifetime Warranty in North America and the European Union; they are covered by a Limited Two-Year Warranty in the rest of the world.

The Arnott Advantage

Designed, assembled, and tested in the USA, Arnott's new aftermarket front air struts replace the OE struts and feature a custom-tuned shock absorber calibrated to restore the vehicle's ride and performance. The Arnott struts include a new air bladder from Continental ContiTech protected by an aluminum can, along with an anodized CNC-machined top mount made from aircraft-quality aluminum. The strut assemblies come complete with Arnott's long-lasting seals, O-rings, bumpstop, heavy-duty crimping rings, air fitting and solenoid, plus a dust boot to protect the strut.

Discount for Forum Members!

Forum Members can take advantage of 10% SAVINGS on Mercedes-Benz air suspension replacement parts from Arnott by using Discount Code MBSAVE10 when shopping at Arnottís secure Web Store or calling sales toll-free at 1-800-251-8993.

The Discount Code is good for a Maximum Savings of $75. The Discount is not valid with any other offer and does not include compressors, shipping, tax, or core deposits (if any).

Additional Aftermarket Innovations

While the highlighted air struts for the Mercedes-Benz S-Class are a great solution for Mercedes-Benz owners concerned about failing air suspension parts leaving them stranded with expensive and recurring maintenance problems, Arnott offers an impressive array of additional, innovative new and remanufactured aftermarket parts for the Mercedes-Benz. The entire range of Arnott Air Suspension solutions for the Mercedes-Benz can be reviewed Here.

Doug Taylor
Arnott Air Suspension Products
100 Sea Ray Drive
Merritt Island, FL 32953

321-868-3016 X 128 - Direct
800-251-8993 - Toll Free

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post #2 of 4 (permalink) Old 10-22-2017, 09:30 PM
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This looks interesting for those who want to stay with AIRmatic once the CORE's dry up.

There is a trade-off, that we all should be aware of. I'd heard conflicting information from several sources about possible lost functionality, so it was time to ask Arnott themselves. Thanks to ArnottDoug for this information about the new-design struts.

Q1: "I just recently learned from another member that with the newly-manufactured AIRmatic struts, we lose the ability to adjust between soft, "sporty 1", and "sporty 2" settings. Also, we can no longer raise the car and lower it with the new-design ones. Is this true?"

Arnott designed new struts do not provide the active damping functionality found in the O.E. Airmatic struts but do allow you, and the car's level sensors, to raise and lower the vehicle. Our remanufactured struts provide all O.E. Functionality. The Coil Spring Conversion kits do not provide leveling or auto damping.

Our Arnott designed new struts ride somewhere between the comfort and Sport 2 settings and provide the luxury of air springs and auto leveling - but for far less money than a new OE strut. They are built from the ground up with all new components including a custom valved shock.

We typically make these for older cars where the vehicle's value has dropped to point where it isn't worth replacing the strut(s) with new strut from the dealer but the owner wants to maintain the luxury and adjustability of air ride.
Q2: "Does that refer to the ability to select the firmness or softness (Comfort, Sporty, or Sporty 2) manually with the dashboard switch, or does "active damping" refer to something else that the computer does automatically?"

Both. Active damping includes your ability to select the ride and the computer which might firm the ride on turns, etc.
Again, thanks to ArnottDoug for this info.

So, we have the following for functionality:

1.) we do maintain the ability to raise and lower the car,
2.) we lose the ability to choose between Comfort, Sport 1, and Sport 2 (it's basically fixed at Sport 1), and
3.) no more auto-adaptation of the suspension when going into corners and such.

Now, is this a problem in the real world? That's the question.

For me, the answer would be no. Here's why.

Since I happen to like Sport 1, that would work out well for me. All of my W220's are set at Sport 1 for this reason, and my best friend also prefers Sport 1. Others may differ; my Dad, for example, preferred "Comfort" on his car. My mechanic buddy preferred "Sport 2" for a while on his S500, but he has now settled on "Sport 1", which he has discovered that he also prefers. Depends on your personal preference.

Regarding the computer no longer automatically firming the ride on turns, etc., that doesn't necessarily need to be a deal-breaker, either. I happen to have a Strutmasters coil-spring conversion on my '03 S600 TT, which is the ultimate in "manual damping". It's very comfortable in cruising, kinda like "Sport 1", and also does pretty well in corners, as long as you have the front anti-sway bar installed. My car does, using AIRmatic lower control arms. So, I've not found it to be a problem in even spirited real-world driving. Since all AIRmatic cars do come with the anti-sway bar, the lack of computer-controlled automatic adaptation to driving conditions shouldn't be a problem with these new-design AIRmatic struts, any more than it is with my coil-spring-equipped car.

So, real-world, I think we'll be fine with these once the CORE's eventually dry up.
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post #3 of 4 (permalink) Old 10-22-2017, 10:22 PM
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Originally Posted by cowboyt View Post
This looks interesting for those who want to stay with AIRmatic once the CORE's dry up. .

What is the core, how do I know that is did dry up and what should I do about it?

Thank you in advance,
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post #4 of 4 (permalink) Old 10-22-2017, 10:33 PM
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CORE is an acronym standing for, "Cash On REturn". It generally applies to remanufactured parts. It means you pay an additional deposit on top of the price of the part. In the case of Arnott remanufactured AIRmatic struts for W220 S-classes, that means $50. So, the $349 strut becomes $399. However, if you send them your old AIRmatic strut, they'll refund you that $50. This is so that they can remanufacture your old one and sell it.

This same thing happens with brake calipers, certain types of pumps, and (especially) whole engines. The premise is always that the old, worn-out one that you send them is rebuildable.

The problem that will eventually happen, according to Arnott, is that the old AIRmatic struts being sent to them as CORE's have enough problems, due to age and use, that they're no longer economically rebuildable. They have announced that they're seeing the beginnings of that at this time. That's why they came out with their "new design/manufacture" type. You can still get brand-new Bilsteins or even the MB-branded Bilsteins, but Arnott's new ones do cost considerably less, so it's a viable option.

Rebuildable CORE's for W220 AIRmatic struts haven't dried up yet. Eventually they will, but they haven't yet, and the reman Arnott struts remain available. So, no worries at this point.
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