Accelerator cable snapped! - Mercedes-Benz Forum
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post #1 of 41 (permalink) Old 12-29-2004, 12:23 PM Thread Starter
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Accelerator cable snapped!

So I'm driving my 2001 E430 4matic to work yesterday and stop at a light. Step on the gas when it turns green and the gas pedal drops to the floor and I go nowhere. I idle over to the side of the road and pop the hood.

Taking a closer look, I notice the accelerator cable has broken from inside the connecting pivot. I've never heard of this happening on any car before. It wasn't rotted or anything, just cleanly snapped from inside that pivot point.

Has anyone else had this happen? Luckily its only $30 to replace the cable and pivot so it isn't that big of a deal, just extemely annoying [:(!].

-Mike D.
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post #2 of 41 (permalink) Old 12-29-2004, 06:47 PM
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RE: Accelerator cable snapped!

Can't help but to ask you: How hard and fast did you press on that pedal?! Just kidding - strange indeed. I would be very curious to find out if anyone has experienced something like this before.

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post #3 of 41 (permalink) Old 08-28-2005, 10:31 AM
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RE: Accelerator cable snapped!

Hey Tony and Mike,

Yes, mine just snapped yesterday... Fortunately I was already on the highway and had enough momentum to exit safely. I haven't seen any other posts about this, but it is a little ironic that of the two posts I have an E430 4Matic (2002) as well!

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post #4 of 41 (permalink) Old 08-29-2005, 01:27 PM Thread Starter
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RE: Accelerator cable snapped!

Interesting. I wonder if the accelerator cable pivot is poorly constructed or just weakens over time. I live near Boston so the change in temperature may have something to do with it as well. I guess we'll never know.

-Mike D.
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post #5 of 41 (permalink) Old 08-31-2005, 06:57 AM
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RE: Accelerator cable snapped!

Unless there was a kink in the cable, I don't see how cable could break off like that!
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post #6 of 41 (permalink) Old 03-16-2006, 07:06 PM
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RE: Accelerator cable snapped!

My accelerator cable snapped last year. I was turning left into a highway onramp. The left turn lane was 2 cars wide and there was a guy in a souped up 4 banger giving me the look on the other lane. I was going to smoke him. As soon as I had the nose pointed straight, I floored it hard then the cable snapped. The old lady in the minivan behind blew her horn in frustration at my slow pace. It was quite embarasing. Luckily, it was on a downgrade so I was able to coast to the shoulder. It was a very hot summer day. Parts and labor were covered under my extended warranty. The 4 banger must have been laughing his head off!
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post #7 of 41 (permalink) Old 03-05-2008, 04:43 PM
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Accelerator Cable Snapped CLK430 2001

Hi, I was driving in the fast lane during rush hour and going about 75 mph when my accelerator pedal all of a sudden went out and the car quickly started slowing. I eventually moved over to the right, where there was no shoulder and almost got hit by cars whizzing by from behind. I ended exiting the freeway at 2 mph, had to run an intersection and finally got my car into a gas station.

I thought this was the strangest thing and never heard of this before until I found your posts. Is this bad engineering or malfunctioning part? I had no choice but to tow it to the nearest Mercedes Benz dealership, they are charging me $450 parts and labor to replace the cable.... any advice?

Last edited by yolo; 03-05-2008 at 05:52 PM.
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post #8 of 41 (permalink) Old 03-05-2008, 04:58 PM
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Any cable made to move is going to

wear.Help to prevent it and keep it smooth and new with a bit of graphite in a tube that you can get at any home improvement store.
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post #9 of 41 (permalink) Old 03-05-2008, 06:31 PM
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I guess since the cable operates only electronic potentiometer, the MB didn't worry about making it very strong. It didn't happen to me, but I had to deal with the $460 potentiometer, so I know that if that happens you could put something under the potentiometer stop ($100 bill multi-folded will work) and keeping high idle, while operating gear shifter might get you home.
Would have to test it, because those wheeled computers have mind on their own and mechanical logics too often don't work with them.
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post #10 of 41 (permalink) Old 03-05-2008, 07:00 PM
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It's not that it isn't strong enough, I'm sure.

Moving the pivot on the potentiometer will cause the end of the cable to flex, which will eventually fracture the cable. Graphite is probably a very good idea for that.
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