According to the Mercedes Medic website the problem with the M273 "450" engines is problems with worn guide idler gear.
As I understand it, a V8 is inherently balanced and doesn't need the balance shaft, so different problem but similar consequences and difficulty of repair. https://www.mercedesmedic.com/check-my-mercedes-benz-for-balance-shaft-issue-by-vin-m272273/ On Sat, Jan 28, 2023, at 18:42, Floyd Thursby via Mercedes wrote: > I wonder if the 450 is just a 350 with 2 more zylinders, but you'd think > they would not ahve done the same thing on this engine, later after > sorting the 350 > > -_FT > > On 1/28/23 6:14 PM, Kaleb Striplin via Mercedes wrote: >> Yea that’s what it is. You can look up the vin to get the engine number to >> see if it’s in the affected range. I will probably do that just to see. If I >> could find the parts to fix the 320 cheap enough might be worth seeing if >> the 450 can be saved. >> >> Sent from my iPhone >> >>> On Jan 28, 2023, at 5:09 PM, Floyd Thursby via >>> Mercedes<mercedes@okiebenz.com> wrote: >>> >>> So the 450s also had these issues like the 350s? That problem was the >>> gear on the balance shaft just wore out. I knew there was something but >>> not sure what. Interesting >>> >>> --FT >>> >>>> On 1/28/23 4:59 PM, Kaleb Striplin via Mercedes wrote: >>>> PS is it balance shaft gears or timing chains or whatever is involved in >>>> the balance shaft issues. I think all the 450s had that problem till about >>>> 2008 or 2009. >>> -- >>> --FT >>> _______________________________________ >>> http://www.okiebenz.com >>> >>> To search list archiveshttp://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 archiveshttp://www.okiebenz.com/archive/ >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com >> > -- > --FT > _______________________________________ > 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
