S-Class (W140) 1991-1999: 300 SD, S 350TD, 300 SE 2.8, S280, 300 SE 3.2, 300 SEL 3.2, S320, S320L, 400 SE, S420, 400 SEL, S420L, 500 SE, S500, 500 SEL, S500L, 600 SE, S600, 600 SEL, S600L, 500 SEC, 600 SEC

problem with down shifiting

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Old Jul 3, 2009 | 09:27 PM
  #1  
yankee2000y's Avatar
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From: NEW YORK CITY
w140
problem with down shifiting

i jus bought my 1995 s320 i have problem with down shifting while i am driving if i floor the gas the car dos't down shift any suggestions please ????
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Old Jul 4, 2009 | 11:52 AM
  #2  
TMAllison's Avatar
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Joined: Jun 2008
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From: Bay Area, CA
09' E320
Will it downshift manually?

Check for restriction/debris behind the pedal and around the kickdown switch. It should always kick down when that switch is depressed unless your speed is greater than about 80mph.

Other things to look at are the bowden cable and vacuum leaks leading to the trans modulator.
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