Thanks Benzmac! I had NO idea it was like this! I once attempted to change the spark plugs (attempt, was no successful), and i had the housing that goes from the air filter over the motor off and saw down the pipe, had someon push the gas and saw it move open. I guess I would think that my first idea is logical enough! Interesting... does the motor that opens the throttle ever break? That would be interesting...

(maybe this should be a new post...) What causes Limp home mode? And what is limp home mode? Only 2nd gear? What else?

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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!)