Got a W221 Mercedes S-Class (S350, S550, S600) riding rough or sagging in the back?

This is the fix.

It's a brand-new, OE-spec rear passenger side (right) air suspension strut from Topcn-Autoparts.

Direct replacement means no guesswork.
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This strut is built to get your Mercedes' ride quality back to that perfect, floaty feeling.

It's made from a mix of iron and aluminum alloy, so it's strong but not overly heavy.
It handles pressures between 90 and 160 psi and is fully sealed to keep dirt and moisture out.

Plus, it's adjustable, giving you that factory ride height and comfort.
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Let's break it down:
\n- Position: Right, Rear (Passenger Side)
\n- Fits: Mercedes W221 Platform (S350, S550, S600, etc.) with Front Engine RWD/4WD
\n- Part Numbers: Replaces 2213205613, 2213205813 | Our # TA11055101P
\n- Upper Mount: Stud | Lower Mount: Eyelet
\n- Included: Just the strut (no extra hardware)
\n- Warranty: 1 Year
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Comes as a single unit.

Get your luxury ride back on the road without the dealership price tag.