USA vs Germany — 1955 vs 1957
| 300 Letter Series (300C) | 300 SL Roadster (W198 II) | |
|---|---|---|
| Horsepower | 390 hp | 215 hp |
| Torque | 430 lb-ft | 203 lb-ft |
| Engine Size | 6,424 cc | 2,996 cc |
| 0-60 mph | 7.7 sec | 7.0 sec |
| Top Speed | 145 mph | 155 mph |
| ¼ Mile | 16.0 sec | 15.2 sec |
| Weight | 4,400 lbs | 3,131 lbs |
| Wheelbase | 3,264 mm | 2,400 mm |
| Length | 5,588 mm | 4,570 mm |
| Units Produced | 2,402 | 1,858 |
| Original MSRP | $5,359 | $10,950 |
| Value (Excellent) | $200,000 | $2,200,000 |
| Collectibility | 8/10 | 10/10 |
| Rarity | 7/10 | 8/10 |
The 1957 Mercedes-Benz 300 SL Roadster (W198 II) emerges ahead in most objective measures, offering quicker acceleration, higher top speed, lighter weight. The 1955 Chrysler 300 Letter Series (300C) counters with more power, better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.
Putting the 1955 Chrysler 300 Letter Series (300C) against the 1957 Mercedes-Benz 300 SL Roadster (W198 II) is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — USA versus Germany. The 1955 Chrysler 300 Letter Series (300C) holds a clear advantage in raw power with 390 hp compared to 215 hp, a 175-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Chrysler 300 uses a V8 OHV (Chrysler Hemi 392) displacing 6,424 cc, while the Mercedes-Benz 300 SL relies on a Inline-6 SOHC with 2,996 cc. In the sprint to 60 mph, the 1957 Mercedes-Benz 300 SL Roadster (W198 II) edges ahead at 7.0 seconds versus 7.7 seconds. The Mercedes-Benz 300 SL carries a weight advantage, tipping the scales 1269 lbs lighter. On the collector market, the 1957 Mercedes-Benz 300 SL Roadster (W198 II) commands a significant premium over the 1955 Chrysler 300 Letter Series (300C), 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.