Mercedes-Benz SL-Class (R129) Interior Door Mirror Triangle Trims (Pair) - Grey
The R129's original seat belt trim was never built to last. Brittle plastic, snapped tabs, and rattling fits are a known failure point across the entire production run. These are factory shortcomings — not wear and tear.
At Rigid Custom Works, we engineer the replacement the factory should have made
Engineering & Material Excellence

High-Grade ASA Construction: Unlike the original parts, these are manufactured from premium ASA (Acrylonitrile Styrene Acrylate). This material is chosen specifically for its high UV resistance, superior impact strength, and thermal stability. It will not warp or become brittle under sun exposure like the OEM units.

Molded-in Color (No Paint): Unlike painted alternatives that chip or peel, this part is built from solid grey material from the inside out. This ensures the color stays consistent even if scratched and will never fade, maintaining a perfect Mercedes-matched matte finish.
The "Impossible Clip" Solution: This kit includes 2x custom-designed Rigid Custom Works door clips. We developed these specifically because the factory clips are notoriously difficult to remove without damaging the door frame or the trim itself. Our clips provide a secure, "click-in" fit that is significantly easier to service in the future.

Why This Part is an Upgrade, Not Just a Replacement:
Most replacements on the market are cheap 3D prints or thin vacuum-formed plastic. Rigid Custom Works parts are designed for longevity:

Reinforced Geometry: We’ve thickened the stress points where the original Mercedes design typically fails.

Chemical Resistance: The ASA material is resistant to interior cleaning chemicals and automotive detailers.

Perfect Tolerance: These are "plug and play." No sanding, trimming, or forcing required. These are designed to fit perfectly the first time.

Product Details:

Part Numbers: A1297200711 (Near Side) / A1297200811 (Off Side)

Color: Grey

Fits: All R129 Models (300SL, 500SL, 600SL, SL280, SL320, SL500, SL600)

Includes: 1x Left Trim, 1x Right Trim, and 2x Easy-Fit Mounting Clips.

·         SHIPPING, TAXES & WARRANTY
·         ✈️ WORLDWIDE EXPRESS SHIPPING We ship globally via UPS Express with a delivery time of just 3-5 business days.
·         🛡️ 5-YEAR WARRANTY We stand behind our quality. This product is backed by a 5-Year Warranty against manufacturing defects, warping, or material failure under normal use.
RETURN POLICY & FITMENT GUIDE
·         We want your purchase to go perfectly. We offer a 30-day return window, but please keep these few points in mind to ensure a full refund:
·         Test Fit First: Please test-fit your parts immediately upon arrival. To be eligible for a return, items must remain in their original, unpainted, and unmodified condition. Once a part has been sanded, painted, or glued, we are unfortunately unable to accept it back.
·         Let Us Help You Verify: We want to help you avoid the hassle of a return! Please double-check your model year and body style before ordering. If you have any doubts, just message us your VIN—we are happy to check for you.
Shipping Costs: For returns due to a change of mind or an incorrect order, the refund amount will be adjusted to cover the shipping costs.
·         Refusing to accept delivery of a shipment does not qualify for a return or refund. The buyer must first accept and receive the shipment. After the item is delivered, a return request can be submitted through eBay in accordance with our return policy, a full refund including the original shipping cost will be issued.
Import Duties: Shipping charges do not include local import duties, taxes, VAT, or customs brokerage fees. These charges are the buyer's sole responsibility. Please check with your country's customs office to determine what these additional costs will be prior to buying.

Thank you