Mercedes-Benz 300 SL Roadster

vs

Bentley S-Series Continental

Germany vs UK — 1957 vs 1955

Mercedes-Benz 300 SL Roadster (1957)
Bentley S-Series Continental (1955)
Specifications
300 SL RoadsterS-Series Continental S2 Drophead Coupe
Horsepower215 hp200 hp
Torque203 lb-ft310 lb-ft
Engine Size2,996 cc6,230 cc
0-60 mph7.5 sec10.9 sec
Top Speed155 mph115 mph
¼ Mile15.5 sec17.8 sec
Weight3,131 lbs4,299 lbs
Wheelbase2,400 mm3,124 mm
Length4,520 mm5,385 mm
Units Produced1,858431
Original MSRP$11,000
Value (Excellent)$2,000,000$1,200,000
Collectibility10/109/10
Rarity9/109/10
The Verdict

The 1957 Mercedes-Benz 300 SL Roadster holds an edge across most measurable criteria, offering quicker acceleration, higher top speed, lighter weight. That said, the 1955 Bentley S-Series Continental S2 Drophead Coupe brings greater rarity, better value and remains a compelling choice for enthusiasts who value Bentley heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

Putting the 1957 Mercedes-Benz 300 SL Roadster against the 1955 Bentley S-Series Continental S2 Drophead Coupe is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Germany versus UK. On paper, the two are remarkably close in power output, with the 1957 Mercedes-Benz 300 SL Roadster producing 215 hp and the 1955 Bentley S-Series Continental S2 Drophead Coupe delivering 200 hp. Under the hood, the contrast is notable: the Mercedes-Benz 300 SL Roadster uses a Inline-6 SOHC displacing 2,996 cc, while the Bentley S-Series Continental relies on a V8 OHV with 6,230 cc. In the sprint to 60 mph, the 1957 Mercedes-Benz 300 SL Roadster edges ahead at 7.5 seconds versus 10.9 seconds. The Mercedes-Benz 300 SL Roadster carries a weight advantage, tipping the scales 1168 lbs lighter. Rarity plays a significant role here — with only 431 units built, the 1955 Bentley S-Series Continental S2 Drophead Coupe is considerably scarcer than the Mercedes-Benz 300 SL Roadster's 1,858 examples. On the collector market, the 1957 Mercedes-Benz 300 SL Roadster commands a significant premium over the 1955 Bentley S-Series Continental S2 Drophead Coupe, reflecting differences in prestige and rarity.