Looking at '03 w/MBN

There a good engine except for the poor fuel economy and the high egt's that take their toll on the exhaust manifold and turbo hot side and eventually cause them to crack. These are the reasons to back date to the 6nz. I would buy it run it and go from there if your not happy with it then back date it to a 6nz the cost of back dating it will pay for itself in the fuel savings alone. I will say that they have a good jake better then the older c15 in my opinion.