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  #1  
Old 01-22-2001, 02:42 AM
mrsilico
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Benzers,

how can you reduce engine noise??

I have heard that there is some commercail chemicals like Motor-UP, who can reduce the engine noise, is that true.


what type of Engine oil do you advise, I have 92 E200, and I have been advised to use the elf BXI engine Oil,

Any recommendations or advises to reduce the engine noise, as much as possible.



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  #2  
Old 01-22-2001, 05:39 PM
David C Klasse's Avatar
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I have used Motor-Up and ZMax in my 1995 C280, and both helped, if any. DIdn't really notice much of a difference on this car. But I believe it won't do any harm, only increase longevity. Although I used to have a1996 Jeep Grand Cherokee and I used MotorUp in it once and it made a vast improvement over smoothness, noise level and power. I would suggest using it. It's a small price to pay for what it can do to your engine.
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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #3  
Old 01-22-2001, 06:11 PM
Brian K
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Its your car, do as you see fit, but MB specifically warns that NO engine oil additives should be used in their engine. In fact, they state it will void the warranty. Most high end engine rebuilders also will void their warranty if they find out you've put Slick 50, Motor Up, Dura Lube, or any other of the "Pep Boys" stuff in the oil.
Again, it your cars, but its pure, unadulterated Mobil 1 for me.
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  #4  
Old 01-22-2001, 06:37 PM
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yal yal is offline
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The fact that you have an E200 makes me think you are in Europe..if this is the case them you should check to see if you have a hood pad insulation underneath the hood (bonnet)..it acts as a noise filter and is standard on US benzes.
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  #5  
Old 01-23-2001, 06:19 AM
mrsilico
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Hood pad insulation

Any body knows where is the hood pad insulation, that can reduce engine noise!!!


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  #6  
Old 01-23-2001, 07:14 AM
s60
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Any kind of hood insulation that is OEM. Are you talking about that Dynamat stuff? That you can get at any stereo store.
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  #7  
Old 01-23-2001, 12:04 PM
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yal yal is offline
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Ehh no. The hood insulation is a 3M or OEM made foam like pad that is "glued" to the inside side of the hood. Its about a 1/2 an inch thick and sometimes has a waffle like texture depending. If your driving a benz that does not have this insulation you'll sometimes see water evaporating on the hood when its raining and the engine is hot.
Talk to a UK dealer if they can get it for you.
OOORRRR try the parts shop at this site.

[Edited by yal on 01-23-2001 at 11:09 AM]
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  #8  
Old 01-23-2001, 12:37 PM
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I would be inclined to replace the hood lining first off, this goes a long way to keeping engine noise inside the engine compartment. There are plenty of threads on this site on how to replace this lining, it's cheap and easy to fix and goes a long way to eliminating a big part of the under hood noise. Adding oil additives is not the way to go with noise, if there is a problem, identify it and fix it. The only servicing with oil that is available is that you change it often and change it hot, I do mine every 3000 kms !
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  #9  
Old 01-24-2001, 03:13 AM
mrsilico
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Yes I agree, when my engine is hot and it's raining i see the evaporation on the head. but I have it on my car, does that mean it needs replacement!!!

does it also reduce the engine noise inside the cockpit!!!

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  #10  
Old 01-24-2001, 01:23 PM
lipscomb
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E200 Engine Noise

I with some others who have replied. Stay away from additives. What kind of noise are you hearing. This may be a precusor to something more serious.
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  #11  
Old 01-24-2001, 02:01 PM
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yal yal is offline
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mrsilico, What does your 'hood lining' look like? Does it cover the whole underside of the bonnet from front to back?
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  #12  
Old 01-24-2001, 10:36 PM
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The previous owner may have used additives that have permanently damaged the engine. Check out the article below:

http://www.bmwe30.net/cgi-bin/technical/index.cgi?db=default&uid=default&ww=on&ID=108&view_records=1

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  #13  
Old 01-25-2001, 03:17 AM
David C Klasse's Avatar
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OMG, well, I'll never be using engine oil additives in my Mercedes ever again!
__________________
2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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  #14  
Old 01-25-2001, 03:25 AM
mrsilico
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Actually, I saw it,it doesn't cover the whole hood.


The noise is actually, the engine noise, it's normal but I know mercedes cars, they try to make very silent cars. and my cars looks normal to other cars but it's Mercedes!!, I should hear a little bit of that engine roaring.


So what do you suggest!!!


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  #15  
Old 01-25-2001, 12:19 PM
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yal yal is offline
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Ok mrsilico, here is the thing. I have a grey market 230E so I know. The hood pad that comes with a european car is tiny and only covers a tiny portion of the hood, the part closest to the windsheild. Now the US hood pad covers the whole hood from tip to stern. It does help to supress the noise and gets rid of that evaporation effect.
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