dannerstrom Posted February 22, 2017 Report Share Posted February 22, 2017 Hello All I just bought a 300c 2008 model lovely carI just wondered if there are any products you could recommend to improve fuel consumption for diesel engine? Quote Link to comment Share on other sites More sharing options...
robbo Posted March 6, 2017 Report Share Posted March 6, 2017 should do 30 plus. better with foot off peddle. try cleaner additives for tank. try remap box under hood. Quote Link to comment Share on other sites More sharing options...
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