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Discussion Starter #1
Hi all,

I'm not sure whether to be concerned about some noises which I believe are coming from my transmission.

At first I could only hear the noise when down changing. As soon as it changed down a gear, I could hear a slight jingling/rattling noise. It was possibly three, maybe four quick metallic sounding clicks in fast succession. Almost like a bag of coke can lids.

Now I can hear it also when I stamp on the accelerator....which is quite often :)

Aside from the noise, there are no other issues with the box not changing gears or anything else. It works perfectly. Just the noise concerns me. I did have a x-pipe installed, so I'm not sure if this could be related to the exhaust now being loose.

Any ideas???

Thanks
 

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Founding Member #2 2008 SLK55 AMG
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Are you able to bring it to an indy and have it lifted for inspection of the components around the tranny? Might as well inspect the whole under-carraige while it is up on the lift. Check the integrity of the transmission mount.
 

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aka John
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Motor mounts, transmission mounts, lose bits of the exhaust - all are possible sources. My 7g does not make any noise like that, so I'd want to know "what" it was just for piece of mind.
 

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Discussion Starter #4
Thanks for the ideas guys. At least you haven't said that it's a tell tale sign of imminent gear box failure. I'm hoping it's something as simple as mounts.
 

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Replaced

My transmission went out at 46,000 miles. I downshifted down to second gear, it froze up and would not shift up or down. When mercedes got the car they said the transmission ate itself.
 

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Discussion Starter #10
Did you track down the cause of the sound?

I'm having similar symptoms with my car too.
Sorry for the delay in responding....haven't been on here in a long time. No, still making a noise, but no problems with gears shifting. My car is going to MB on Tuesday. I'll let you know what they find.
 
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