15×5.5″ Wheels for Mercedes-Benz 300SL Roadster
15×5.5″ wheel for the Mercedes-Benz 300SL Roadster (W198 II) represents a significant factory evolution. While the original 300SL Gullwing debuted with narrower 5″ wheels, the Roadster was upgraded to the 5.5″ width to accommodate the era’s new radial tire technology (specifically the Michelin X) and to civilize the car’s high-speed handling.
Listing Details
- Set of Four Bolt-On Wheels
- 15″ Diameter × 5.5″ Wide
- 4x Part #615A
- Two-Piece Steel & Alloy Construction
- For Mercedes-Benz W198 300SL Roadster
- Date Stamp 8-57
The 15×5.5″ wheels for the Mercedes-Benz 300SL Roadster are original-style factory-correct steel/alloy wheels used on one of the most valuable classic Mercedes models ever built.
These wheels are period-correct 1950s–1960s components designed specifically for the 300SL Roadster (W198). They are typically Kronprinz (KPZ) manufactured two-piece wheels, combining a steel center with an alloy rim section.
They are considered highly collectible original equipment (OE) parts and are often seen on concours-restored cars.
Key Features
- Fitment: Mercedes-Benz 300SL Roadster
- Size: 15×5.5″
- Construction: Two-piece steel center + alloy barrel
- Bolt Pattern: 5-lug Mercedes classic pattern
- Finish: Original beige / silver / primer (varies by restoration)
- Manufacturer: Kronprinz (KPZ) original OE supplier
Why They’re Special
- Original equipment for the legendary 300SL Roadster (1957–1963)
- Factory-spec wheels used on one of the most valuable classic cars in the world
- Extremely rare and often date-coded to the 1950s–60s
- Highly desirable for concours restoration accuracy
Fitment Notes
- Designed specifically for:
- Mercedes 300SL Roadster (W198)
- Roadster versions used 5.5″ width, while Gullwing versions used 5.0″ wheels
- Requires correct hubcaps and hardware for authentic fitment
What’s Included
- 4 × 15×5.5″ wheels (some sets include spare)
- Original-style hubcap retainers
- Manufacturer stampings (KPZ / part codes / date stamps)
Why These Wheels Matter
- Part of the original specification of the 300SL Roadster, one of the most iconic cars ever built
- Strong collector demand due to historical importance and rarity
- Essential for maintaining factory-correct authenticity
- Highly valuable in the classic Mercedes market
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