E-Class (W211) 2003-2009

Help with diagnosing noise

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Old Apr 16, 2025 | 09:47 PM
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2007 e350
Help with diagnosing noise

After 30mph I get a wobble noise no vibration stops upon acceleration and upon braking. Car has 174k give me some ideas on what to look at wobble sound picks up in speed.

thanks.

Last edited by 317indy; Apr 16, 2025 at 09:48 PM.
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Old Apr 16, 2025 | 09:58 PM
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2007 e350
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Old Apr 18, 2025 | 01:16 AM
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Old Apr 18, 2025 | 04:12 AM
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2010 ML550 VIN WDC1641722A564750, 2010 B180
Here's some guesses for you. Is your car 4matic?

CV joints and front diff if you're 4matic
Drive shaft (s) unbalanced and/or worn universal joints

Any other symptoms? Does it go away after a certain speed is reached?

If it's a drive shaft failure of some kind, driving it is dangerous.


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Old Apr 19, 2025 | 05:01 AM
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2007 e350
Originally Posted by BlackML550
Here's some guesses for you. Is your car 4matic?

CV joints and front diff if you're 4matic
Drive shaft (s) unbalanced and/or worn universal joints

Any other symptoms? Does it go away after a certain speed is reached?

If it's a drive shaft failure of some kind, driving it is dangerous.
car is 4matic. Noise only comes on after 30mph. Noise is constant except when I press brake or when I accelerate. Very little to no vibration. Just sound.
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Old Apr 19, 2025 | 05:47 AM
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The front diff in this model is prone to failure due to poor bearing quality. Look also at the W164 forum and you'll see similar issues addressed.

Put more detail in your bio like VIN etc then you'll get more help, faster.
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Old Apr 19, 2025 | 11:14 AM
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2007 e350
WDBUF87XX7X213443

I just purchased the car a week ago I’ve never owned a Benz just bmw’s the car is pristine shape.

the key fob doesn’t lock or unlock the doors, I changed the batteries, but when I put the batteries in the key the alarm went off

the trunk button in the door doesn’t work, the trunk handle when you pull it stays pulled, doesn’t spring back into position the auto trunk close button works

it has 174k miles, I really like the car it has new braces from what I can see I don’t know what the SEL is on for but the car drives really well engine is strong ac is cold transmission is smooth, the suspension is very nice and tight





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Old Apr 20, 2025 | 03:30 AM
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Do you have a decent scan tool? Mandatory equipment for these cars.
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Old Apr 20, 2025 | 01:34 PM
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Originally Posted by BlackML550
Do you have a decent scan tool? Mandatory equipment for these cars.

no, I just got the car last week. What’s the best tool you recommend?
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Old Apr 21, 2025 | 03:20 AM
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There's plenty to choose from and it depends on budget, how much you want to do yourself, and if you have other MBs. Xentry is a laptop version that gives you dealer access. But if you're just looking for convenience, look for a bidirectional scan tool like the Launch x431 about $150. You need a tool that reads MB specific codes which OBD2 readers dont. Search the forums for other experiences. You can't own one of these cars without one. Mine never leaves my car.
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Old Apr 21, 2025 | 10:33 PM
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Originally Posted by BlackML550
There's plenty to choose from and it depends on budget, how much you want to do yourself, and if you have other MBs. Xentry is a laptop version that gives you dealer access. But if you're just looking for convenience, look for a bidirectional scan tool like the Launch x431 about $150. You need a tool that reads MB specific codes which OBD2 readers dont. Search the forums for other experiences. You can't own one of these cars without one. Mine never leaves my car.

I dropped the car off at a mechanic tonight. I’ll find out the damage next few days
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Old Apr 23, 2025 | 01:38 AM
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2007 e350
Wheel bearing and hub on driver side. Costing me 1450$
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