E43 Driveline noise sounds like bearing
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E43 and SQ7
E43 Driveline noise sounds like bearing
Hello all,
17 E43 with 74K Km. It’s been to the dealer 3 times and they continue to say nothing is wrong.
I am hearing a noise similar to a wheel bearing noise at 70-95Kkmph. Removed run flats, added new summer tires same issue. Changed summer rims and tires and installed the winters. Noise continues persist. The noise goes away at lower speeds. The noise has not gotten any louder in over 8K kms.
The dealer is stumped. Has anyone had an issue like this before? They claim the wheel bearings are fine.
17 E43 with 74K Km. It’s been to the dealer 3 times and they continue to say nothing is wrong.
I am hearing a noise similar to a wheel bearing noise at 70-95Kkmph. Removed run flats, added new summer tires same issue. Changed summer rims and tires and installed the winters. Noise continues persist. The noise goes away at lower speeds. The noise has not gotten any louder in over 8K kms.
The dealer is stumped. Has anyone had an issue like this before? They claim the wheel bearings are fine.
MBWorld God!
Joined: Dec 2019
Posts: 32,224
Likes: 6,283
Hello all,
17 E43 with 74K Km. It’s been to the dealer 3 times and they continue to say nothing is wrong.
I am hearing a noise similar to a wheel bearing noise at 70-95Kkmph. Removed run flats, added new summer tires same issue. Changed summer rims and tires and installed the winters. Noise continues persist. The noise goes away at lower speeds. The noise has not gotten any louder in over 8K kms.
The dealer is stumped. Has anyone had an issue like this before? They claim the wheel bearings are fine.
17 E43 with 74K Km. It’s been to the dealer 3 times and they continue to say nothing is wrong.
I am hearing a noise similar to a wheel bearing noise at 70-95Kkmph. Removed run flats, added new summer tires same issue. Changed summer rims and tires and installed the winters. Noise continues persist. The noise goes away at lower speeds. The noise has not gotten any louder in over 8K kms.
The dealer is stumped. Has anyone had an issue like this before? They claim the wheel bearings are fine.
Out Of Control!!
Joined: Jun 2004
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
Last edited by PeterUbers; Dec 10, 2022 at 09:13 PM.
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E43 and SQ7
Thanks for the info, its getting the dealer to confirm is my real issue.
The noise is loudest at 48mph. The dealers have a hard time hearing it with my winter tires on as they produce more road noise.
The noise is loudest at 48mph. The dealers have a hard time hearing it with my winter tires on as they produce more road noise.
Thread Starter
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E43 and SQ7
here was the tech notes: CONFIRMED CUSTOMER COMPLAINT, PERFORMED ROAD-TEST FOUND NOISE PRESENT ON SMOOTH ROADS ON DECELERATION NOT TIRE NOISE OR WHEEL BEARING NOISE SUSPECT REAR DIFF, LIFTED VEHICLE PUT VEHICLE IN DYNO-MODE, HAD VEHICLE SPUN TO 100KM/HR CHECKED HANGAR BEARING AT DRIVE SHAFT VERY SLIGHT NOISE, CHECKED REAR WHEEL BEARINGS NO NOISES, CHECKED REAR DIFF FOUND REAR DIFF MAKING LOUD HOWLING NOISE. SUSPECT NOISE IS TRAVELING TO HANGER BEARING.
Member
Joined: Jan 2021
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From: Fernandina Beach, FL
2014 AMG E63S
Very interesting and I’ll be following this thread. I have a 2019 E63S now with 34,000 miles and have what I assume is rear diff noise, however now maybe I’m not so sure. My noise is present between 45-55mph and can be heard during slight deceleration. Maintaining speed, or accelerating the noise is gone, just slightly let off gas and you get the whine. I believe I have eliminated wheel bearing as the issue as it’s perfectly consistent even during swerving which can usually pinpoint or eliminate wheel bearings by loading and unloading them. What’s interesting is on my vehicles VMI report, it does show work done to the center support bearing at 9800 miles. Doesn’t give any more specifics on it.
Does anyone know if a bad center support bearing can cause differential gear type whine? Or what types of issues do guys have when the center support bearing is bad? My diff shows it’s been serviced at the recommended AMG 2,000 mile interval, and again now at 32,000 miles and the fluid looked good, but had no effect on this noise I’m experiencing.
Does anyone know if a bad center support bearing can cause differential gear type whine? Or what types of issues do guys have when the center support bearing is bad? My diff shows it’s been serviced at the recommended AMG 2,000 mile interval, and again now at 32,000 miles and the fluid looked good, but had no effect on this noise I’m experiencing.
MBWorld God!
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Very interesting and I’ll be following this thread. I have a 2019 E63S now with 34,000 miles and have what I assume is rear diff noise, however now maybe I’m not so sure. My noise is present between 45-55mph and can be heard during slight deceleration. Maintaining speed, or accelerating the noise is gone, just slightly let off gas and you get the whine. I believe I have eliminated wheel bearing as the issue as it’s perfectly consistent even during swerving which can usually pinpoint or eliminate wheel bearings by loading and unloading them. What’s interesting is on my vehicles VMI report, it does show work done to the center support bearing at 9800 miles. Doesn’t give any more specifics on it.
Does anyone know if a bad center support bearing can cause differential gear type whine? Or what types of issues do guys have when the center support bearing is bad? My diff shows it’s been serviced at the recommended AMG 2,000 mile interval, and again now at 32,000 miles and the fluid looked good, but had no effect on this noise I’m experiencing.
Does anyone know if a bad center support bearing can cause differential gear type whine? Or what types of issues do guys have when the center support bearing is bad? My diff shows it’s been serviced at the recommended AMG 2,000 mile interval, and again now at 32,000 miles and the fluid looked good, but had no effect on this noise I’m experiencing.
Until OP replied to that thread.
I am curious as well what is causing the whine...
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E43 and SQ7
Update, as stated before the rear diff didn’t not fix the issue. The dealer now has replaced the front diff, driveshaft and rad fans for some odd reason. Noise is still occurring. 70-90Kmph its very evident. The dealer is lost and don’t know what else to replace.
It seems the replacement diffs may be the issue. According the other c43 forums people are on there 3rd rear diff until it fixed the issue.
It seems the replacement diffs may be the issue. According the other c43 forums people are on there 3rd rear diff until it fixed the issue.
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Member
Joined: Jan 2021
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From: Fernandina Beach, FL
2014 AMG E63S
Update, as stated before the rear diff didn’t not fix the issue. The dealer now has replaced the front diff, driveshaft and rad fans for some odd reason. Noise is still occurring. 70-90Kmph its very evident. The dealer is lost and don’t know what else to replace.
It seems the replacement diffs may be the issue. According the other c43 forums people are on there 3rd rear diff until it fixed the issue.
It seems the replacement diffs may be the issue. According the other c43 forums people are on there 3rd rear diff until it fixed the issue.
MBWorld God!
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that’s really strange how a new diff did not fix the issue. Only other things that can make noise back there are wheel bearings, or the center driveshaft bearing. Did that get replaced I assume if they did the rear driveshaft? My 2019 E63 S rear end wines pretty decently add around 50 miles an hour. Have not brought it in yet.
https://mbworld.org/forums/c450-c43-...ml#post8769068
"Forum member osmanbenz, I have a thought, see if your dealership is willing to help you order a new (not reman) rear differential and one straight from Germany, if they are just installing the ones that are available in Canada already, chances are, those are part of the bad batch. The fact remains, if something was broken on the assembly line, that creates a bad batch. Just for example a domino effect if something is programmed improperly on the assembly line, every product that gets produced will be flawed, ie. Bad batch."
MBWorld God!
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that’s really strange how a new diff did not fix the issue. Only other things that can make noise back there are wheel bearings, or the center driveshaft bearing. Did that get replaced I assume if they did the rear driveshaft? My 2019 E63 S rear end wines pretty decently add around 50 miles an hour. Have not brought it in yet.
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MB
@osmanbenz Did you get this resolved? Was it a wheel bearing by chance?
MBWorld God!
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Wait but your rear differential is supposed to be a limited slip while mine and OP's is a traditional open diff so mechanically things should be a whole lot different, interesting that your rear diff also whine. Do you mind checking the thread I linked in the previous post in case the symptoms and the way to duplicate these symptoms are consistent?
