E-Class Coupe (C207) & Cabrio (A207) 2010-: E250CDI Coupe, E350 Coupe, E350CDI Coupe, E500 Coupe, E550 Coupe [Coupes & Cabriolets]

Interior sound

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Old 08-15-2022, 10:17 AM
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2016 e400 coupe
Interior sound

When I get in my car after it sitting still for hours, when I start driving and I always hear a loud pop sound. Only one, and it is somewhere inside the cabin, but I cant isolate it. I’m assuming it’s simply the car having settled for several hours and then driving it causes some connection or joint to pop. Has anybody heard of anything like that?
Old 08-15-2022, 12:31 PM
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2018 E400 Coupe
Could be one or more of your car's brake pads sticking to the rotors and then making a popping sound when they suddenly come loose. Well-know issue, especially after the brakes have gotten wet.
Old 08-16-2022, 08:41 AM
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2016 E400 Coupe (C207)
Does your car have a panorama roof?

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