C36 AMG, C43 AMG (W202) 1995 - 2000

Engine noise?

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Old May 31, 2014 | 12:01 PM
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Engine noise?

Hi Guys,

I just had my coolant flushed and replaced my reservoir cap because it was in bad shape, thanks to the members who pointed me in the right direction. The mechanic was asking about a sound coming from the engine. I have always had the typical ticking sound which seems to be normal, but it seems to have developed a different sound. I said to him maybe the valve lifters and he agreed it could be. The car drives great, no issues. I had an oil change about 2k miles ago and it does seem like it started after this service. I cannot be 100% sure though.

Have any of you experienced this sound? Thanks.

Last edited by RPB; May 31, 2014 at 12:04 PM.
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Old May 31, 2014 | 01:09 PM
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05 c55 silver, 98 Imperial Red C43
Im dealing with exactly the same problem. Im planing to pull my valve cover today and inspect so hopefully ill have some info...

Ive heard it could be anything. Exhaust leak, bad sparkplugs, egr valve, sticky or loose lifter...

Cant know until i look at it myself
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Old May 31, 2014 | 01:55 PM
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Really need to hear these sounds before we can guess
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Old May 31, 2014 | 06:13 PM
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Originally Posted by PJmak
Im dealing with exactly the same problem. Im planing to pull my valve cover today and inspect so hopefully ill have some info...

Ive heard it could be anything. Exhaust leak, bad sparkplugs, egr valve, sticky or loose lifter...

Cant know until i look at it myself
Yes please let me know what you find, he also did a pressure check on my car and said all was good.

Last edited by RPB; May 31, 2014 at 06:26 PM.
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Old May 31, 2014 | 08:06 PM
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05 c55 silver, 98 Imperial Red C43
Sorry bro i havent had a chance to do anything. My wifes car threw a check engine light today so i had to figure that out since wer taking it on a road trip tomo.

I will probably tackle the valve cover in the next few days or so...
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Old Jun 1, 2014 | 10:25 AM
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It's nothing you can see. If it sounds like possible lifters, it is likely the lifters. Very common on these motors. Not hurting anything other than annoying you.

But I agree, it's impossible to truly diagnose a sound over the internet. If it's a ticking from the top end though, 10:1 it's a lifter.
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Old Jun 1, 2014 | 10:58 AM
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Originally Posted by benzslo
It's nothing you can see. If it sounds like possible lifters, it is likely the lifters. Very common on these motors. Not hurting anything other than annoying you.

But I agree, it's impossible to truly diagnose a sound over the internet. If it's a ticking from the top end though, 10:1 it's a lifter.
Yeah it honestly does not bother me, but I get an occasional comment on the sound.

Definitely hard to diagnose without hearing it first hand, I agree. Thanks.

Last edited by RPB; Jun 1, 2014 at 05:01 PM.
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