The SLK250 is the entry-level offering with a new direct-injection 201-hp turbo four-cylinder engine mated to a six-speed manual or optional seven-speed automatic. A more powerful SLK350 boasts a 302-hp direct-injection V6 teamed with a paddle-shifted seven-speed automatic. The SLK55 AMG tops the class with a 415-hp hand-built 5.5-liter V8 that uses automatic stop/start and... Read more »
