As I understand it, the important thing with Blue Tec is that the DPF "regeneration" cycle needs time to complete. If it's frequently interrupted, you eventually have problems. I don't know how long a cycle takes, or if 6-8 miles of driving is enough time. Kevin posted a writeup a while back on someone's woes with Bluetec.
It's not great for any car, gas or diesel, to not get fully warmed up. You really want to get the engine oil and exhaust fully warm to drive out moisture. That said, a 6-8 miles drive twice daily is probably OK especially if some of it is at highway speeds and you're doing occasional longer drives. You might be better off with a gasser though, or (heaven forbid) even an EV for a commute that short. On Thu, May 26, 2022, at 10:59 AM, Donald Snook via Mercedes wrote: > I have been out of the MB diesel game for too long and can’t keep up on > the nomenclature and which ones to avoid. > > If I was looking for a Mercedes diesel that would get 30+ mpg and is > pretty reliable which would I look for? > > I know the 124 diesel with the 2.5 (602?) is great. And the 603 is > very good too. (Right?) > > The 606 in the 124 and 210 is also good? > > Then, the CDI started and the Black Death is a big concern and the blue > tec is next. Someone mentioned the other day that bluetec has its own > issues — most notably it is not good for relatively short drives like a > 10 minute commute. It really needs to be driven for a while to get > everything heated up and working. > > My cars now get driven to work only 6-8 miles one way. Half of that is > on the highway - obviously not for long. Then relatively short trips > on the weekend. occasionally we drive long distances over a weekend 600 > miles or so maybe every few months. > > So, if I want a fuel efficient MB diesel that doesn’t have to be driven > 30 minutes at a time, should I be focused on 124 and 210 with the 602, > 603, and 606? > > What was the six cylinder non-turbo that was in the 124 and 210? I > remember hearing great things about those. > > Donald H. Snook > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
