Plugs on the M112/3 are required about every 75k-100k. I have service records on this car, so I knew it was due, as well as having looked at one and seen that the electrode was pretty worn.
While I expected a difference, more in mileage than actual running, I was surprised at how much smoother the idle is since the change. -D > On Mar 16, 2020, at 8:16 AM, Buggered Benzmail via Mercedes > <mercedes@okiebenz.com> wrote: > > I’m wondering now if should change plugs on the $600E320. About 240kmi. It > idles a bit rough. The PO seems to have kept up on maintenance items though. > > --FT > Sent from iPhone > >> On Mar 16, 2020, at 5:17 AM, Dan Penoff via Mercedes <mercedes@okiebenz.com> >> wrote: >> >> Did the plugs on the 1998 wagon yesterday. Piece of cake, took me under an >> hour total. I was thinking it was worse, probably because the last spark >> plug job I did was on the ML500 with the M113, which is very tight in spots. >> >> Plenty of room to work without jacking the engine. I was going to do motor >> mounts at the same time but didn’t as I just didn’t want to take that much >> on. >> >> Definitely needed. The car idles so smoothly it’s amazing. >> >> Dummy me - I had bought a box of Bosch plugs (10) for the job, not paying >> attention to the quantity. Had to run out to FLAPS and buy two more plugs - >> luckily they had them in stock. Counter guy was puzzled. “Why you want only >> two plugs?” >> >> -D >> >> >> _______________________________________ >> 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 > _______________________________________ 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
