040 300SL 1954 1955 1956 1957 The W198-040 chassis 300 SL Coupe with the M198-980 motor was made between 1954 and 1957 (Gullwing).

043 300SL 1955 1956 The W198-043 chassis 300 SL Coupe with the M198-980 motor was made between 1955 and 1956 (Aluminum).