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Ticking noise 320cdi w210 when very hot only

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Old Apr 15, 2019 | 03:55 PM
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Rui Martins's Avatar
Rui Martins
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From: Portugal
320cdi w210
Ticking noise 320cdi w210 when very hot only
Anyone can help me finding out what is this ticking sound? Injectors seems ok. Only appears when engine is quite hot (+80degree). Oil level is in the middle between minimum and maximum
.sound seems to be from the front of the engine

https://youtu.be/fLswR1lRmus
Last edited by Rui Martins; Apr 15, 2019 at 03:59 PM.
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Old Apr 15, 2019 | 04:44 PM
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khomer2
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02w163ML500 / 97w210E50AMG / 99w202C230k / 95w124500e-wip
Welcome Rui Martins,

Need more info/ history.
No noise ticking noise when it's cold.
How old is your oil? spark plugs?
sticky lifters?
check belt tensioner too.
The simple things first.
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Old Apr 15, 2019 | 06:55 PM
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Rui Martins
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320cdi w210
Originally Posted by khomer2
Welcome Rui Martins,

Need more info/ history.
No noise ticking noise when it's cold.
How old is your oil? spark plugs?
sticky lifters?
check belt tensioner too.
The simple things first.
Hello thank you. No noise when it´s cold. Only when engine is warm/hot - when i do some hard driving, i have that sound.
Actually oil I do not know as I bought the car recently. Spark plugs the same.
What means sticky lifters? How can I Confirm?
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Old Apr 15, 2019 | 07:09 PM
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khomer2
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Joined: Nov 2015
Posts: 1,456
Likes: 140
From: Westcoast/Interior
02w163ML500 / 97w210E50AMG / 99w202C230k / 95w124500e-wip
Originally Posted by Rui Martins
Hello thank you. No noise when it´s cold. Only when engine is warm/hot - when i do some hard driving, i have that sound.
Actually oil I do not know as I bought the car recently. Spark plugs the same.
What means sticky lifters? How can I Confirm?
Rule of thumb when you buy a used car.
Always change the O&F, fluids, unless you have proof from the seller, it's already been done. Cheap investment.
As for motor oil - synthetic or non-synthetic - it's a personal preference. Do a search on the forum to read other members experiences in this area.
Check your spark plugs. Again, plenty of DIY info on how-to. Quite easy.

Sticky lifters can occur regardless of whether the engine is hot or cold some reading for you. Do a search on the topic and read more.
I do not know if this is your situation specifically, but you should first do your fluid changes and then access the situation again.
I used both Marvel mystery oil and Berryman for treatment.
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