C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Transmission problem

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Old Jun 26, 2012 | 08:16 PM
  #1  
Jhartmann3's Avatar
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Joined: Feb 2012
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From: Pensacola,FL
2001 C240, 2011 Honda pilot EX-L RES, 2005 Tundra
Exclamation Transmission problem

Hello everybody.

After fixing the cruise control and other issues, Now i have a new issue with the transmission(inter mental problem).

When merging onto a busy road with full throttle or 3/4 throttle, the transmission wont shift up, it just keeps reving in first gear, until i remove my foot from the throttle and then re apply it, or hold the shift gate to the right. And when it does decide to upshift it shifts hard.

It shifts perfectly around town. Unless the engine is cold, it holds the first 2 gears long.

I have 87000 miles, 2001 C240, Behr radiator .

What could be causing this, would traction control stop it from upshifting even if the yellow light isn't flashing?
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Old Jun 27, 2012 | 08:39 AM
  #2  
Tri-Star's Avatar
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Joined: Jul 2010
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From: Charlotte, NC
C320 4Matic & GLK350 4Matic
Have you serviced the tranny fluid? You might need to add or flush your system. I have mine done around 80,000 and haven't had a problem with the tranny at all.
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