Mercedes-Benz 300 SL

vs

AC Aceca

Germany vs UK — 1957 vs 1957

Mercedes-Benz 300 SL (1957)
AC Aceca (1957)
Specifications
300 SL Roadster (W198 II)Aceca Bristol
Horsepower215 hp125 hp
Torque203 lb-ft131 lb-ft
Engine Size2,996 cc1,971 cc
0-60 mph7.0 sec9.1 sec
Top Speed155 mph114 mph
¼ Mile15.2 sec
Weight3,131 lbs2,249 lbs
Wheelbase2,400 mm2,438 mm
Length4,570 mm4,318 mm
Units Produced1,858169
Original MSRP$10,950
Value (Excellent)$2,200,000$220,000
Collectibility10/108/10
Rarity8/108/10
The Verdict

It's a closely fought contest. The 1957 Mercedes-Benz 300 SL Roadster (W198 II) brings more power, quicker acceleration, higher top speed to the table, and the 1957 AC Aceca Bristol answers with lighter weight, greater rarity, better value. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.

Overview

The rivalry between Germany and UK automotive industries has produced legendary matchups, and the 1957 Mercedes-Benz 300 SL Roadster (W198 II) versus 1957 AC Aceca Bristol is among the most fascinating. These two cars represent the best of their national engineering schools. The 1957 Mercedes-Benz 300 SL Roadster (W198 II) holds a clear advantage in raw power with 215 hp compared to 125 hp, a 90-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mercedes-Benz 300 SL uses a Inline-6 SOHC displacing 2,996 cc, while the AC Aceca relies on a Inline-6 OHV with 1,971 cc. In the sprint to 60 mph, the 1957 Mercedes-Benz 300 SL Roadster (W198 II) edges ahead at 7.0 seconds versus 9.1 seconds. The AC Aceca carries a weight advantage, tipping the scales 882 lbs lighter. Rarity plays a significant role here — with only 169 units built, the 1957 AC Aceca Bristol is considerably scarcer than the Mercedes-Benz 300 SL's 1,858 examples. On the collector market, the 1957 Mercedes-Benz 300 SL Roadster (W198 II) commands a significant premium over the 1957 AC Aceca Bristol, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1957 Mercedes-Benz 300 SL Roadster (W198 II) rates higher among enthusiasts and auction houses.