I am blown away with the mileage you guys are getting. I stay in the hills and mountains in mine 95% of the time and I get 6 to 7 mpg in mine. When I gross 60k#'s or more I get down in the low 5's. I have my toe in the firewall most of the time and I run 75mph+ when conditions allow. I have tried driving slower just to see if it would make any difference and it was negligible. I wonder if the pre EGR Mercedes motors are that much more fuel efficient or is the just the weight of my usual set up? Mine runs well for 450HP and I change the fuel filters every 5k miles.
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Renegade 3600 47'
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