I've read through all the old posts about synthetic oils. For the most part people seem to like them. It's about time for an oil change and I was wondering what weight should I use? I live in seattle. If a leak did spring up, could I go back to the old oil and get rid of the leak? Is it possible to do any damage switching the oils like this? I have a 1990 300te with 118,000 miles. Thanks for you help


Ranger

Mobil One 15W50; great oil, and seemingly the least prone of the synthetics to develop or increase leaks.

Good luck, and enjoy your wagon!!

__________________
"If God had meant for us to walk, why did he give us feet that fit car pedals?" Sir Sterling Moss

Michael
2014 E63S Estate
2006 SLK55
1995 E500
1986 Porsche 944 turbo

I asked my mechanic the same question when I was pondering the conversion and he replied that if I switched back to dino oil right away, the leaking caused by the synthetic oil *should* stop.

When I switched from dino to synthetic in my '89 300E last year, I had no leaks. My brother has a '77 280E and he recently switched as well, with no problems. From what I have heard it is basically a gamble, although the odds seem to be on your side. Good luck!

__________________
Chris
2007 E550 4Matic - 61,000 Km - Iridium Silver, black leather, Sport package, Premium 2 package
2007 GL450 4Matic - 62,000 Km - Obsidian Black Metallic, black leather, all options
1998 E430 - sold
1989 300E - 333,000 Km - sold
1977 280E - sold
1971 250 - retired

"And a frign hat. They gave me a hat at the annual benefits meeting. I said. how does this benefit me. I dont have anything from the company.. So they gave me a hat." - TheDon