Accelerator adjustment? - Mercedes Benz SLK Forum

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#1 Old 03-17-2010
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Accelerator adjustment?

I've noticed lately that I have to push the accelerator down about 1/4 inch or so before the throttle opens. Is there an adjustment for this?

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#2 Old 03-27-2010
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me 2...i guess it needs adjustments sorry don't have info about that
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#3 Old 03-27-2010
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#4 Old 03-27-2010
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There is no travel adjustment as far as i know the throttle is a switch. Do you know how to reset the throttle?
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#5 Old 04-22-2010
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Quote:
Originally Posted by livefreeordie View Post
There is no travel adjustment as far as i know the throttle is a switch. Do you know how to reset the throttle?
Now that you mention it, no. How?

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#6 Old 04-23-2010
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Push pedal to the floor and hold, turn key to pos. 2 and wait 30 seconds, turn key back and remove.
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#7 Old 04-27-2010
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Quote:
Originally Posted by livefreeordie View Post
Push pedal to the floor and hold, turn key to pos. 2 and wait 30 seconds, turn key back and remove.

Excellent tip! Thanks.
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#8 Old 04-27-2010
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Never heard of resetting the Throttle. Without me having to get my book out of the car... can you tell me what that does?


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#9 Old 04-30-2010
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I tried this tip- doesnt seem to make any difference. My pedal has probably only an 1/8 of an inch travel so it's minor but does make for not the smoothest driving at times considering mines a manual.
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#10 Old 06-16-2010
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I posted this earlier on Benzworld, I guess the throttle (and auto trannie shiftpoint) reset isn't that widely known:

The 5 speed auto in our R170s is a 722.6 mercedes trannie. An advanced adaptive training program for the 722.6 is found in the W210 stickies (link below). I can't promise the ECU performs exactly the same in the W210 as in the R170, but you can try the reset and re-programming procdeure and see if you like the results:

http://www.benzworld.org/forums/w210...our-22-6x.html

Reset procedure from the above link:

1- With and already "warmed-up" vehicle (ie. tranny fluid 80C), find a quiet strech of road and "Reset" the ECU by closing doors, turn key to position "2", hold the accelerator all the way to the floor and HOLD for AT LEAST 5 seconds. Turn key OFF, but DON'T take it out of the ignition. Also DON'T open doors. Wait AT LEAST 2 Minutes
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#11 Old 06-16-2010
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Does it still work if the road isn't quiet?
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#12 Old 06-16-2010
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Quote:
Originally Posted by Todd157k View Post
Does it still work if the road isn't quiet?

Hahaha! I just copied what was in the link

I think it is in preparation for the adaptive shift learning procedure that follows in the link, but maybe some ECU's need peace and quiet to erase what they had previously learned...
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#13 Old 06-17-2010
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on a 3-series I had, you could adjust the throttle cable...tightened it so there would be less slack when opening throttle...and lighter pulleys helped the response rate too...
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