davidhartman00
Posts: 3
Joined: Thu Mar 31, 2022 9:12 pm

Re: High whistling sound

Sun Apr 17, 2022 8:27 pm

@HarrisonB, is the noise the same as the noise that @AnasAwad filmed in the video?

HarrisonB
Posts: 4
Joined: Sat Apr 16, 2022 8:57 am

Re: High whistling sound

Sun Apr 17, 2022 9:34 pm

No I don’t think so. That was a short clip. Mine raises in pitch as I accelerate and lowers as I decel. The noise is definitely associated with the motor.

davidhartman00
Posts: 3
Joined: Thu Mar 31, 2022 9:12 pm

Re: High whistling sound

Mon Jun 20, 2022 11:12 am

Thanks all! Today I get delivery of a 2017 B-Class that we are buying from Carvana!! Hopefully we don't have any issues.

stitchesuniforms
Posts: 7
Joined: Sat Dec 08, 2018 10:50 am

Re: High whistling sound

Sun Aug 28, 2022 10:07 am

Through lots of research, I have found that that sound means you have an issue with the bearings in the motor. the mercedes dealer said I needed a new motor. I contacted QCCharge in Vista, Ca. and I'm going to replace the bearings and re-build the motor for $4,500. To me it's worth it. I have 50,000+ miles on mine and I think it's a great car.

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