Mercedes 300SL Gullwing
Productionised version of Mercedes' world-beating, sophisticated 50s road-racer. Produced from 1954 to 1957.
Originally fitted with either a 650-15 or 670-15 crossply tyre with the highest available speed rating. If a radial tyre is required, then a 185R15 is the best replacement size, with an H or V speed rating.