For 2009, the SLK series gets several aesthetic modifications. You will notice a new formula one-like front end as well as a new oval exhaust pipe. The basic SLK 280 version now becomes the SLK 300, reflecting its 3.0-litre engine, while the SLK350 gets more power, jumping from 268 to 300 horsepower. Crowning the line-up is, as before, is the powerful SLK 55 AMG, with its 354 horsepower.