The Mercedes SLK 250 is an upgraded version of the SLK 200. It offers superior performance and a more stylish design. The SLK 250 features a powerful 2.1-litre turbocharged four-cylinder engine, as well as a seven-speed automatic transmission. It also has a sporty exterior with a sleek, aerodynamic design. The SLK 250 is a great car to consider if you are looking for a luxury sports car with great power and style. It is more expensive than the SLK 200, but it is definitely worth the extra cost. The SLK 250 is a great choice for those who want to experience a higher level of performance and style.