I don't agree on the MAF failure giving a MIL. I only had one fail on my '95 W124 (not as smart built in diagnostics) at around 110K miles, and it only stumbled and gave misfire codes. Getting 208K out of a MAF sounds like a good achievement.

I would really recommend measuring and verifying before throwing any parts at it, especially since it isn't stranding you. These goose chases can add up. If that means paying for a good diagnostic for time/grief saving reasons, not necessarily a bad choice. Just think about how many monthly payments your saving vs a new car.

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Prost!

I know..... I'm go to a new place up the street that I haven't fully tried out, and they specialize in benz & bimmer... good indie mechanic.

Great advice, CRIPES!

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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)