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  #1  
Old 02-03-2010, 11:43 AM
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Mercedes electronic throttle problems

Has Mercedes ever had problems with their electronic throttle's like Toyota is currently experiencing?

- Peter.

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  #2  
Old 02-03-2010, 11:55 AM
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its not toyotas fault actually its the suppliers fault. Drive by wire throttle is being used by mercedes with no issues what so ever. The toyota problem is supplier and software issue
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  #3  
Old 02-03-2010, 11:57 AM
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Quote:
Originally Posted by Oracle12345 View Post
its not toyotas fault actually its the suppliers fault. Drive by wire throttle is being used by mercedes with no issues what so ever. The toyota problem is supplier and software issue
I suspect more software than supplier.

- Peter.
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81 240D stick. 316000 miles at purchase. 342000 now
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Formerly...
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1972 Cadillac Sedan DeVille
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  #4  
Old 02-03-2010, 12:21 PM
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certainly...

on my 190d and a few 240d s that I have driven, when one applies pressure to the accelerator.... the car goes nowhere.
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Old 02-03-2010, 01:04 PM
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I understand that part of the problem is that lack of a safety subroutine in the Toyota programming that "zero's" the throttle if the brake is pressed.

This subroutine is standard programming on the Mercedes. I can floor the throttle on the highway with one foot and press the brake with the other and the car will slow and stop as if I wasn't even pressing the throttle.

Now, our Tundra is a different animal and it will continue to try and accelerate even with hard braking.
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  #6  
Old 02-03-2010, 01:39 PM
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Quote:
Originally Posted by Oracle12345 View Post
its not toyotas fault actually its the suppliers fault. Drive by wire throttle is being used by mercedes with no issues what so ever. The toyota problem is supplier and software issue
That's what they say ... not what everybody believes ...
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  #7  
Old 02-03-2010, 01:46 PM
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Originally Posted by BodhiBenz1987 View Post
That's what they say ... not what everybody believes ...
Make sure you hang on to that 240D Bodhi...

- Peter.
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  #8  
Old 02-03-2010, 07:10 PM
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No, although on the old cars they can stick sometimes if you don't lube the linkages.
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  #9  
Old 02-03-2010, 07:33 PM
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Quote:
Originally Posted by Hatterasguy View Post
No, although on the old cars they can stick sometimes if you don't lube the linkages.
Not really....due to the way they are designed, at least the 617's....it would make it harder to press, but it will always retract. Both the IP and the throttle lever have return springs....

Electronic cars are just dumb. I was driving a PT cruiser today (work car)...and they suck, torque-free technology, like most american cars.....and they shift by cutting out the engine, shifting, then re-applying power. Not to mention the disconnected feeling steering and the throttle pedal feels like you're pressing on a spring. Modern cars = ick
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  #10  
Old 02-03-2010, 11:21 PM
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Quote:
Originally Posted by KarTek View Post
I understand that part of the problem is that lack of a safety subroutine in the Toyota programming that "zero's" the throttle if the brake is pressed.
That makes heel-toe shifting impossible. Not an issue if you have a slush though.
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  #11  
Old 02-03-2010, 11:53 PM
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Quote:
Originally Posted by pawoSD View Post
Not really....due to the way they are designed, at least the 617's....it would make it harder to press, but it will always retract. Both the IP and the throttle lever have return springs....
The spring on the back of the IP can pop off, though, which makes things interesting. Ask me how I know.
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  #12  
Old 02-04-2010, 12:53 AM
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Throttle actuators poop out all the time with 90s Mercedes, but never have the ran out of control. Usually they won't go at all, trigger an ASR light, etc.
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  #13  
Old 02-04-2010, 01:46 AM
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I guess the moral of the story here is that Mercedes does it the smart way and installs a fail safe, Toyota doesn't.

Fly by wire has been in use for many decades now and has proven to be reliable, don't see why it won't work for cars.
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  #14  
Old 02-04-2010, 11:45 AM
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  #15  
Old 02-04-2010, 12:36 PM
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Quote:
Originally Posted by Oracle12345 View Post
its not toyotas fault actually its the suppliers fault. Drive by wire throttle is being used by mercedes with no issues what so ever. The toyota problem is supplier and software issue
I don't know about software, but Toyota has come out and stated that the gas pedal supplier is not at fault.

http://www.mississauga.com/news/article/544488--cts-not-to-blame-toyota

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