# Mercedes Benz rattle

**URL:** <https://community.cartalk.com/t/mercedes-benz-rattle/22952>\
**Category:** Maintenance/Repairs\
**Tags:** noises\
**Created:** [December 4, 2008, 7:33pm UTC](https://community.cartalk.com/t/mercedes-benz-rattle/22952 "2008-12-04T19:33:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jstone8789](https://avatars.discourse-cdn.com/v4/letter/j/b38774/32.png) [@jstone8789](https://community.cartalk.com/u/jstone8789)\
**Post date:** [December 4, 2008, 7:33pm UTC](https://community.cartalk.com/t/mercedes-benz-rattle/22952/1 "2008-12-04T19:33:34Z")

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I have a 2002 Mercedes Benz E430. When idling, it sounds like a coffee can of marbles shaking under the car. It’s under the middle of the car, behind the engine and transmission. What could this be

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**Author:** ![andrew\_j](https://avatars.discourse-cdn.com/v4/letter/a/91b2a8/32.png) [@andrew\_j](https://community.cartalk.com/u/andrew_j)\
**Post date:** [December 4, 2008, 7:39pm UTC](https://community.cartalk.com/t/mercedes-benz-rattle/22952/2 "2008-12-04T19:39:04Z")

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The likely cause is your muffler system. It could be a simple heat shield that has broken a weld(s) and is rattling. You do not have to visit a dealer to correct this annoyance. Any independent garage can diagnose this one.