The Mercedes-Benz 380SL (1980–1985) is the mid-production displacement variant of the R107 SL roadster, built on the same 173.0-inch body shell Mercedes-Benz produced from 1971 to 1989. All R107 variants share identical exterior dimensions — cover selection does not change by engine designation. It changes by roof configuration: hard top installed (51.4 inches), soft top raised (approximately 52.5 inches), or soft top folded (approximately 50.5–51.0 inches). The height swing between folded and raised is approximately 1.5 to 2.0 inches, producing a different C-pillar contour that requires a separate template.

Original single-stage enamel paint on 1980–1985 production has no separate clear coat layer — UV oxidation attacks the color layer directly, producing chalking within 3 to 5 years of unprotected Southern California sun exposure. NOAA records for Los Angeles County show UV index 6 or above on 230+ days per year. Single-stage enamel repaint runs $6,000 to $18,000. The DaShield Ultimum ($209.99) is the woven multi-layer cover for the R107 380SL, with a breathable construction that allows moisture vapor to migrate outward continuously during storage — preventing condensation blushing on original lacquer and condensation pitting on original chrome. Lifetime warranty. Designed in Buena Park, California.

Three reasons the DaShield Ultimum is the correct cover for the Mercedes-Benz 380SL:

1. UV management for single-stage enamel that degrades 3–5x faster than modern clear coat under the same photon load. Original 1980–1985 R107 paint is single-stage enamel — there is no separate clear coat layer absorbing the UV load before it reaches the color. UV photons degrade the color layer directly, producing chalking and flat finish within 3 to 5 years of unprotected Southern California sun exposure. NOAA records for Los Angeles County — the highest concentration market for R107 ownership — document UV index 6 or above on 230+ days per year and UV index 10 or above on approximately 60 days. The Ultimum's woven outer face blocks UV from reaching the paint surface every time the car is parked. Single-stage enamel repaint using period-correct materials: $6,000 to $18,000. Clear-coat conversion plus repaint: $8,000 to $20,000.

2. Dual-configuration template for the R107's hard top and soft top roof states. The R107 was designed as a dual-roof car — removable steel hard top and folding fabric soft top are both original equipment. Hard top installed (51.4 inches) and soft top raised (approximately 52.5 inches) produce different C-pillar contour profiles that require distinct template geometry. A cover fitted for the hard top configuration pulls tension across the raised soft top bow, creating abrasion contact on the canvas surface. DaShield maps the R107 in both configurations separately. Soft top raised is a separate template selection from hard top installed. Replacement R107 soft top canvas: $400 to $1,200 installed.

3. Breathable woven construction for original lacquer and original chrome. Sealed synthetic covers trap moisture vapor between cover and paint surface. On 1980–1985 single-stage enamel, trapped condensation under temperature cycling conditions produces blushing — a milky discoloration from moisture absorbed into the enamel film — and in sustained cases, micro-cracking as the film cycles between wet and dry states. The R107's original chrome on window surrounds, bumper overriders, and mirror caps faces simultaneous condensation pitting risk under a sealed cover. The Ultimum's woven laminate moves moisture vapor outward continuously, protecting both original paint and original chrome from condensation accumulation regardless of storage duration. Lifetime warranty.