E-Class Coupe (C238) & Cabrio (A238) 2017 - E200, E220, E300, E350, E400, E450 [Coupes &Cabriolets]

rattle/vibration sound in back seat area

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Old 08-21-2024, 01:30 AM
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2021 E450 coupe
rattle/vibration sound in back seat area

I have had a 2018 E 400 coupe and now a 2021 E450 coupe and both have had a rattle/vibration sound in the back when I hit certain bumps. I have gone back there and poked, hit etc and cannot replicate the noise. It is like something is making a vibrating sound when I hit bumps.. I have yet to have someone else drive to see if I can find it but having this issue in 2 cars maybe someone else can shed some light on it as its very annoying.
Old 08-21-2024, 06:51 AM
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PFL205.064 with M276.823 (Oil pump solenoid defeated)
Originally Posted by SSean
I have had a 2018 E 400 coupe and now a 2021 E450 coupe and both have had a rattle/vibration sound in the back when I hit certain bumps. I have gone back there and poked, hit etc and cannot replicate the noise. It is like something is making a vibrating sound when I hit bumps.. I have yet to have someone else drive to see if I can find it but having this issue in 2 cars maybe someone else can shed some light on it as its very annoying.
It could be the sunroof.
Old 08-21-2024, 10:20 AM
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2018 E400 convertible
Our 2018 E400 convertible also has an occasional rattle coming from the rear. It’s more apparent with the top up. There is nothing in the trunk. I’ll ask the dealer to check it the next time we’re there. We bought it from the dealer earlier this year with 50,000 miles on it, and are enjoying it a lot, even with the rattle!
Old 08-26-2024, 07:34 PM
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PFL205.064 with M276.823 (Oil pump solenoid defeated)
Originally Posted by JohninBismarck
Our 2018 E400 convertible also has an occasional rattle coming from the rear. It’s more apparent with the top up. There is nothing in the trunk. I’ll ask the dealer to check it the next time we’re there. We bought it from the dealer earlier this year with 50,000 miles on it, and are enjoying it a lot, even with the rattle!
The A238 is a great convertible, glad you enjoy it.

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