Re: [MBZ] 90 300SEL M103 engine

2005-10-17 Thread Donald Snook
Marshall wrote: It's the same M103 engine used in the 300E. All the same strong and weak points apply. The car weighs about 450 lb more. Nice car, but hardly an excess of power. I am unfamiliar with the M103 engine, except that I know MB made a ton of them and put them in a ton of

Re: [MBZ] 90 300SEL M103 engine

2005-10-17 Thread Marshall Booth
Donald Snook wrote: I am unfamiliar with the M103 engine, except that I know MB made a ton of them and put them in a ton of 124s. So, what are the strong and weak points about the engine. I did some reading and I saw several posts from people talking about needing valve jobs. Do these engine

Re: [MBZ] 90 300SEL M103 engine

2005-10-17 Thread John M McIntosh
Having owned a 89 300TE I can say it suffered from hydraulic lifter noise at 200K miles. However to fix that it required new lifers and everything in the valve train replaced because the replacement lifters were harder metal and I was told it would damage the camshaft. Replacement Camshaft