Metallic pinging sound - help! - Mercedes GLA Forums
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post #1 of 1 (permalink) Old 12-02-2019, 12:32 PM Thread Starter
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Metallic pinging sound - help!

Hi. Several times in the last week I’ve noticed a noise I can only describe as metallic popcorn being made! This appears to be coming from the rear of the car. I’ve videoed it and sent it to the Mercedes dealer I purchased it from. They say this is normal and it’s just the exhaust cooling down. I’ve never had a car do this before and it’s actually quite loud and therefore embarrassing when I pull up in public somewhere. Has anyone else’s GLA done this?

Mine is a 2016 GLA 220 4matic, diesel, AMG line
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