Hi

i have a C220 CDi on a 57 plate with the 5G 722.6 gearbox with 67k miles on the clock

when the car is cold between 1st to 2nd gear, the gearbox sort of slips and jolts then goes into second. In all other gears the changes are fine

when the car is fully warm, there is no problem, can’t even tell of this issue occurring

I have changed the gearbox filter, oil and sealant so I was wondering what the issue could be? I have been reading about the 13pin connector but I need a definite answer before changing anything as it’s most likely trial and error

The car does not go into limp mode I had diagnostics but nothing came up

 

i would appreciate it if I could get some useful help or advice. 

Thanks

 

Comments

Okay.. I know this may sound strange but there is one simple solution to solve this problem.

 

When you start your start and you put your car in ignition, take some time and wait for the car to get warmer. Maybe switch halfway to ignition twice and give a pause of 5-10 seconds each.

 

This is a quick way to gently warm up your car and you will see that the problem disappears.

 

The causes can be many and the reason why it doesn't show on the scanner is because this is a very small problem, either a fluid issue or something. I can't really explain, but follow my suggestions.

 

Hi thanks for your comment

 

i will give this a try tomorrow. I used a Dexron 6 universal ATF fluid. Had many options for Mercedes Benz and other cars with a 722.6 gearbox but it wasn’t exactly specific to MB 236.14 like the Titan atf fluid. I don’t know if this could be the issue or not

 

thanks

Nowshed Aliiy , 2019-05-28

Hi I have M/Viano PE56KWF
auto gear will driving gear goes slips .
what is wrong do you think ?
Thank you

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