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2003 Mercedes Benz E500 Acceleration problems

Tiny
MADMAX54321
  • MEMBER
  • 2003 MERCEDES BENZ E500
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 60,000 MILES
I have recently purchased a Mercedes E500, 2003, I have had 2 instances when driving of having no acceleration all of a sudden. Pedel flat to the floor and a very very slow speed increase. Stop the car then proceed and everything works fine, full acceleration. Very disconcerting when driving. Any idea what the problem may be?
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Tuesday, May 5th, 2015 AT 2:52 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
It could be a throttle sensor. Has the check engine light come on?
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Monday, May 11th, 2015 AT 8:41 AM
Tiny
DUNHOLME5
  • MEMBER
  • 1 POST
Hi Mad Max. I've bought the same car same year with the same fault. Had it for a month and happened once. Did you ever get to the bottom of it? Merc specialist can find no fault codes and no obvious fault. And yes it is disconcerting.
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Thursday, August 11th, 2016 AT 6:21 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

He never replied with a solution. Did your tech check the throttle pedal position sensor along with the throttle body? Also, when this happened, other than no throttle response, was there anything that stood out?

Joe
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Saturday, November 26th, 2022 AT 7:48 PM

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