Serpentine Belt Replacement - Mercedes-Benz Forum
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#1 (permalink) Old 05-21-2011, 07:34 AM
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Serpentine Belt Replacement

I have another project on my hands,
I noticed the serpentine belt is missing part of a rib and riding off center on the self tensioning idler.
Can I drive the car for a few more days or is failure imminent?
Is the pulley location normal for a 06 e350 4M?
What is the best place to buy a belt?
Is replacement similar to other cars or is there a MB trick somewhere?
Thanks in advance
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#2 (permalink) Old 05-21-2011, 08:58 AM
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You definitely should consider changing the serpentine belt soon.. Now it might run for another year but it's dicey to stretch this out and is probably better to have it replaced. There is a previous thread that has a bunch of information on how to replace the belt and possibly the tensioner if that's your preference.

The situation will definitely get worse if left uncorrected. Good luck.
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#3 (permalink) Old 05-21-2011, 12:01 PM
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Quote:
Originally Posted by kiblawi1 View Post
I have another project on my hands,
I noticed the serpentine belt is missing part of a rib and riding off center on the self tensioning idler.
Can I drive the car for a few more days or is failure imminent?
Is the pulley location normal for a 06 e350 4M?
What is the best place to buy a belt?
Is replacement similar to other cars or is there a MB trick somewhere?
Thanks in advance
If the belt is the only problem you should be able to go a few more days. Word of caution though -- check the pulleys (about the same size as the alternator pulley) and make sure they are not starting to come apart. I had one desegregate on my car and it trashed a good belt and cost me a bundle to have the car towed and fixed. As for price I have seen them online from $25 up. The dealer price is like $75 dollars.

Last edited by edwinwalke; 05-21-2011 at 12:03 PM.
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#4 (permalink) Old 05-21-2011, 01:35 PM
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I actually considering changing mine. Is Goodyear V-Belt an acceptable replacement? OEM one would cost over $60. I like the Goodyear design much better.
Goodyear 4060887 Gatorback Poly V-Belt | eBay
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#5 (permalink) Old 05-21-2011, 02:05 PM
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I actually considering changing mine. Is Goodyear V-Belt an acceptable replacement? OEM one would cost over $60. I like the Goodyear design much better.
Goodyear 4060887 Gatorback Poly V-Belt | eBay
Problem solved.... I found a Gates belt for $31 and a Gates tensioner ($97)at a local auto parts store (Oreilly's). I replaced the tensioner and put the old belt on and it tracked properly in the middle of the idler pulley, I replaced the belt and it tracks properly as well. The old tensioner was a Gates with a MB logo, the new one looks identical and it is made in Germany, so if you want to save some $'s, buy a Gates tensioner. As for the GY belt I don't have any experience with it. One tip....there is a notch on the tensioner to allow you to pre-load it, cut a fat nail to a 2 inch length and it works like a charm.
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#6 (permalink) Old 05-21-2011, 02:36 PM
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I actually keep a spare Conti (OEM) belt in both MB's we use as daily drivers.
They were $31 at autohaus. Also keep one in pickup truck and that one is a Gates.
I use a lot of Gates belts on the farm equipment and have no problems with them.

I did not know about the Gates tensioner, so I will be keeping that info handy.
Thanks.
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#7 (permalink) Old 05-21-2011, 02:53 PM
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Excellent idea to keep a spare in the trunk. The threading path is in the owner's manual so if yours snaps when you are in an out of the way place you're covered.

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Last edited by Musikmann; 05-21-2011 at 02:59 PM.
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#8 (permalink) Old 05-21-2011, 04:29 PM
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Originally Posted by Noodles View Post
I actually keep a spare Conti (OEM) belt in both MB's we use as daily drivers.
They were $31 at autohaus. Also keep one in pickup truck and that one is a Gates.
I use a lot of Gates belts on the farm equipment and have no problems with them.

I did not know about the Gates tensioner, so I will be keeping that info handy.
Thanks.
For sure... plus 17mm socket and a 1/2 ratchet, the alternative is ugly. Thanks for the tip.
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#9 (permalink) Old 05-21-2011, 08:29 PM
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When you live out in coyote country the damn tow home is $300.

It is probably paranoia, but better safe than than on a tow truck.
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#10 (permalink) Old 05-24-2011, 06:53 AM
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Sepentine Belt DIY

Try to upload this here but it failed. Check out this location.

Complete Serpentine Belt DIY

Regards,
paul...
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