That Dreaded "TICK, TICK, TICK" M119 Engine Sound - Mercedes-Benz Forum
 
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post #1 of 3 (permalink) Old 06-24-2019, 05:40 PM Thread Starter
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Talking That Dreaded "TICK, TICK, TICK" M119 Engine Sound

To All Forum Members,

Started up my 1995 SL500 yesterday, and immediately heard that "TICK, TICK, TICK" sound coming from the engine.

I lifted the hood, and placed my mechanic's stethoscope on both the left and right valve covers, with the engine operating at idle.

The ticking noise was coming from the #2 cylinder location (right side).

I figured that the plastic Cam Oiler, at the #2 cylinder location, had blown its end off, and I was looking at having to remove the valve cover, etc., and replace the plastic cam oilers with metal ones.

Tonight, I decided to do a little further diagnostics on the situation, and started the engine..... WHOA!.... no ticking noise..... none at all!

Left the engine running at idle, until operating temperature was achieved.... still no ticking!

Then took the Roadster for a 15 km drive at highway speed, got back into the garage, and..... no ticking noise! Whoo-hoo!!

There must have been a wee bit of a clog in the cam oiler tube that freed itself up.

I am so, so, thankful!!


Blessings, Arctic
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post #2 of 3 (permalink) Old 06-25-2019, 07:17 AM
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I have experienced this as well... new cam oilers were installed prior to my purchase, so I have not been concerned.

Best Regards...

RM Smith
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Where is it again that we are going... And why are we in a handbasket?
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post #3 of 3 (permalink) Old 06-25-2019, 12:53 PM
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Quote:
Originally Posted by ArcticDweller View Post
To All Forum Members,

Started up my 1995 SL500 yesterday, and immediately heard that "TICK, TICK, TICK" sound coming from the engine.

I lifted the hood, and placed my mechanic's stethoscope on both the left and right valve covers, with the engine operating at idle.

The ticking noise was coming from the #2 cylinder location (right side).

I figured that the plastic Cam Oiler, at the #2 cylinder location, had blown its end off, and I was looking at having to remove the valve cover, etc., and replace the plastic cam oilers with metal ones.

Tonight, I decided to do a little further diagnostics on the situation, and started the engine..... WHOA!.... no ticking noise..... none at all!

Left the engine running at idle, until operating temperature was achieved.... still no ticking!

Then took the Roadster for a 15 km drive at highway speed, got back into the garage, and..... no ticking noise! Whoo-hoo!!

There must have been a wee bit of a clog in the cam oiler tube that freed itself up.

I am so, so, thankful!!

Blessings, Arctic

Don't count on it, my 98 SL500 did this for 4 months. It would be silent and and then tick back and forth till I installed aluminum oilers.

John;
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