All ActivityMost RecentMost LikesSolutionsRe: Sprinter ReliabilityIts The T1N 5 Cylinder Chassis. Reliable As Could Be So Far.Re: Sprinter ReliabilityWe have 152,000 miles on our 2007 Roadtrek RS and haven't had a lick of problems. Of course, the diesel engine is just now getting broken-in. PS-- I certainly don't mean to whistle past the graveyard, but it really is true ... so far so good.