Registered 2014 SLK350
Older post but here is my 2 cents on the subject. Our 2008 SLK 350 was getting on in age so we started looking around for a newer replacement. Did not like the turbo lag and transmission delay of the SLK 250. Tried a new SLC 43 and it had good power but just did not ring our bell. Then we found a low miles, super clean, fully loaded, normally aspirated 2014 SLK 350 at a third of the price of a new SLC and bingo. Engine does not sound quite as good as the 2008 but everything else was so much better. Try them all and see what makes you happy.