i have a c230 2002 2.3l supercharge the best hwy millage I can get is 24 an city is 21 is this normal or is there anithing I should check. Ive recently replace, oil, Air filter and plugs it has 68,000 miles on it.

cheers

 

I have an 05 and I get 26.6 mix and 30+ on road. If just in town prob 23-4. It sounds as if yours is low. I hope this helps.

 

[:@] I would agree. My feeling is that it's too low. My '05 gets 30+ on the highway easily.