W639 revs pulsing while cold driving

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Dariuss

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Joined
Dec 4, 2023
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7
Location
United Kingdom
Car
Mercedes vito
W639 vito 2012 113cdi automatic facelift. Got issue for long time ( few years, done over 100k ml with this issue). When start driving in the morning,while wehicle cold doing say stable 50mph revs pulsing around 150÷200( revs arrow pulsing say between 1800÷2000) it does for around 4miles, then all good as it should be until next morning or until vehicle gets completely cold. If put 3 gear manually and hold 3000 revs and above seems doesn't pulsing. Rev pulsing very noticeably on higher gear ( 5) and lover revs especially on cruise. Any idea where is a problem? As seems nothing serious but annoying for first 10 min every morning...
 
My E220 cdi was exactly like this.
It was the torque converter solenoid on the blink.

It was easy to change and I did it myself.

John
 
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Sounds vaguely like a torque converter fault to me
My E220 cdi was exactly like this.
It was the torque converter solenoid on the blink.

It was easy to change and I did it myself.

John
Hi John, could you explain me where this converter solenoid is located and how to change it as its coming time for gerabox oil change so if its not that complicated l would do it myself. And if you got any info of soleoid part no etc.many thanks
 
My E220 cdi was exactly like this.
It was the torque converter solenoid on the blink.

It was easy to change and I did it myself.

John
Thanks for advise, it was exactly torque converter solenoid as you mentioned, changed it ,problem solved 👍
 

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