2008 C 300 shaking rpm when I'm driving
Thread Starter
Newbie
Joined: Jan 2021
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2008 C300 4 matic
2008 C 300 shaking rpm when I'm driving
Hi.
My name is Matthew and I have c 300 4 matic with 7 g 33 thousand miles. When I'm driving my rpm is gonna crazy.
I was on sd but only one issue acceleration pedal( problem start after kick down)
Any body have this problem?
Ex for my English
Best regards
Matthew
My name is Matthew and I have c 300 4 matic with 7 g 33 thousand miles. When I'm driving my rpm is gonna crazy.
Any body have this problem?
Ex for my English
Best regards
Matthew
Super Member
Joined: Jun 2017
Posts: 608
Likes: 107
From: Western NC
2009 MB C300 Sport 4matic
The video shows the rpms steady at 2,000, no ? This the correct rpms in top gear at 64 mph/103 kmh as per your speedometer. Are you referring to the car vibrating, not the tach needle?
Last edited by gamma300C; Jan 14, 2021 at 08:46 PM.
Thread Starter
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2008 C300 4 matic
im talking about needel, look at video is going a little bit up and down. Today I will try make another video with needle reaction.
Super Member
Joined: Jun 2017
Posts: 608
Likes: 107
From: Western NC
2009 MB C300 Sport 4matic
OK. on closer inspection of the video I now see what your talking about..pretty subtle variation. Does the tach do this at a higher or lower speed ? If just at the near 100 km/h range may be your torque convertor having a hard time staying engaged...
Thread Starter
Newbie
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2008 C300 4 matic
yes.. In all speed. I'm second owner and its real
milleage. Is it possible the torque convertrr say goodbye
MBWorld Fanatic!
Joined: Aug 2013
Posts: 1,364
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2012 C300 4MATIC Sport
Although the car only has 33,000 miles, but it's from 2008 so the transmission fluid is 12 years old and very oxidized by now. The change interval on these fluids is 5 years or 40,000 miles. I would change the fluid, filter, and gasket first and see if that fixes it. Make sure the torque converter is drained during the fluid change so it gets fresh fluid.
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