# 2015 Mercedes-Benz C-Class - cracked piston

**URL:** <https://community.cartalk.com/t/2015-mercedes-benz-c-class-cracked-piston/178755>\
**Category:** Maintenance/Repairs\
**Tags:** mercedes-benz\
**Created:** [August 15, 2021, 3:22pm UTC](https://community.cartalk.com/t/2015-mercedes-benz-c-class-cracked-piston/178755 "2021-08-15T15:22:18Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Tom16](https://avatars.discourse-cdn.com/v4/letter/t/3e96dc/32.png) [@Tom16](https://community.cartalk.com/u/Tom16)\
**Post date:** [August 15, 2021, 3:22pm UTC](https://community.cartalk.com/t/2015-mercedes-benz-c-class-cracked-piston/178755/1 "2021-08-15T15:22:18Z")

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I just had my engine diagnosed with #1 piston cracked. Are there others seeing this happen?

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**Author:** ![weekend-warrior](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/weekend-warrior/32/26122_2.png) [@weekend-warrior](https://community.cartalk.com/u/weekend-warrior)\
**Post date:** [August 16, 2021, 12:01am UTC](https://community.cartalk.com/t/2015-mercedes-benz-c-class-cracked-piston/178755/2 "2021-08-16T00:01:02Z")

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I found this other forum about your problem that you might be interested in…  
[Potential piston problems | Mercedes-Benz Metris Forum](https://www.metrisforum.com/threads/potential-piston-problems.4002/)

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**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\
**Post date:** [August 18, 2021, 12:10am UTC](https://community.cartalk.com/t/2015-mercedes-benz-c-class-cracked-piston/178755/3 "2021-08-18T00:10:24Z")

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Which engine? v8 4.7 L turbo?