chugging noise in m276
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Joined: Aug 2020
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e 400
chugging noise in m276
https://imgur.com/a/avCIyEr
chugging noise in 2015 Mercedes e400.
65k miles, doesn't get driven much but seemed fine last time I did.
Battery just replaced & had its 60k transmission service last year. No lights on the dash.
Pretty sure its not supposed to sound like that. Sounds like its coming from the belt but not sure.
chugging noise in 2015 Mercedes e400.
65k miles, doesn't get driven much but seemed fine last time I did.
Battery just replaced & had its 60k transmission service last year. No lights on the dash.
Pretty sure its not supposed to sound like that. Sounds like its coming from the belt but not sure.
Out Of Control!!
Joined: Apr 2019
Posts: 11,992
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From: Silicon Valley
W212 MY'14 M276-3.5NA @75kMi
serp belt kit
A wobbling idler pulley on its loose mount right after the A/C compressor.
Check every accessory pulley for loose bearings:
Check every accessory pulley for loose bearings:
- Water pump
- ALT
- A/C
- ....
