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Old 02-13-2002, 11:55 AM
Mr. BILL's Avatar
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Join Date: Aug 2000
Location: Austin, TX
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126 tranny won't shift when cold

I don't know why I haven't asked this before. The transmission an my '90 300SE won't shift out of second (starting) gear when it's stone cold in the morning until it reaches 32mph (that's where the first shift dot is on the speedo). If I let it warm up for a couple of minutes it shifts fine.

This only happens on the very first shift, after that, it's O.K. It does this if its 30 degrees or 100 out.

The tranny is a Mercedes recuild with about 50K on it. I plan on doing a fluid change as soon as I get a weekend that's not too cold to crawl around on cold concrete.

Any ideas?

Bill
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91 300E 120K
90 300SE 275K (sold)
92 BMW 525iM 120K
90 BMW 525iA 175K
85 300D 175K (sold)
84 300SD 245K (sold)
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Old 02-13-2002, 12:27 PM
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Join Date: Jan 2001
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THat is normal! It won't shift until engine temperature reaches 35 degrees C (50C coolant), or until 31 mph. It does this to warm up the catalytic converter quicker.
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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!)
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  #3  
Old 02-13-2002, 08:59 PM
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Groovy!
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Mr. BILL

91 300E 120K
90 300SE 275K (sold)
92 BMW 525iM 120K
90 BMW 525iA 175K
85 300D 175K (sold)
84 300SD 245K (sold)
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