Curious how the 2007 S550 compares to other years?
Check out our to see the most problematic years, worst problems and most recently reported complaints with the S550.
The 2007 S550 has a 382-horsepower 5.5L V8 engine, while the S600 gets a 5.5L twin-turbo V12 engine that makes 510 horsepower and 612 lb-ft of torque. The S550's V8 is matched to a new seven-speed automatic transmission, while the S600's V12 runs through a five-speed automatic. All-wheel drive is available on the S550.