Quote:
Originally posted by mike690003
Well what about carbon build up that is in the older engines, does that affect performance?
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Haven't seen much of that in any MB engine I've owned. Did some top end work on the 16V at about 350K and it was pretty much carbon free. Use good gas with a good additive package and change your fluids and filters often, and make sure you don't take really short trips, and you should remain carbon free.