so you are making a thread strictly for the W202's & W203's with the base 1.8l Naturally aspirated engine? or are you reffering to the C180 as in the C-class, which includes the W202, W203 in all of its variants, such as the C200, C200K, C230, C230K, C240, C280, C320, C32, C36, C43, C55, C220cdi, C270cdi etc.