Like the current lineup, the 2007 Mercedes S-Class is expected to be offered with two V8 engine options, both slightly larger and more powerful than the current 4.3-liter and 5.0-liter power plants.
Mercedes introduced high performance variable-valve-timing quad-cam 4-valve V8 in the 1990 SL500 and continued through 1998. Chrysler era cost reductions replaced these engines with lower performance 3-valve V8s in the 1999 - 2006 SL500s, including the V8 offerings in every other 2006 model. The 3-valve engines offer the same EPA fuel economy with less power and less torque compared to the 1990 - 1998 4-valve engines. Of course marketers promoted this downgrade as some sort of benefit. Even the six-cylinder models stepped back to simpler technology and lower performance.
- S350 Sedan
- USD$65,675 MSRP
- Engine: 3.7 L 18-valve V6 engine making 241 hp at 5800 rpm
- S430 Sedan
- USD$76,020 MSRP
- Engine: 4.3 L 24-valve V8 engine making 275 hp at 5750 rpm
- S500 Sedan
- USD$84,620 MSRP
- Engine: 5.0 L 24-valve V8 engine making 302 hp at 5600 rpm
- S600 Sedan
- USD$125,470 MSRP
- Engine: 5.5 L twin-turbocharged 36-valve V12 engine making 493hp SAE net) at 5000 rpm
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