Question about 2006 Mercedes-Benz B-Class

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Hello all. This is my first post so please be gentle with me! I have had a B200 with CVT since new in 2006, which has about 74K kms on clock. Has been a great car but in the last month or so have had problems with transmission and my mechanic and myself have been trying to work out what the problem is. Consistently, within the first 10 minutes after start up, the transmission will **** and a warning message saying 'Transmission visit workshop' or similar will come up. The car then goes into 'limp home' mode. It stills drives but seems to stay in the one gear. Has very limited acceleration. Stopping the engine and restarting makes the warning message go away. Hard acceleration will make it go back into limp mode. An engine restart temporarily fixes the problem each time. If I keep driving in 'limp home' mode for about 10 minutes (which is really jerky), it seems to warm up. If I then restart the engine, the problem disappears. My mechanic seems to think it is a problem with the electronics module - which is horrendously expensive to fix.

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  • Josef Sep 30, 2011

    HI davidfran 190,

    I have exactly the same problem with my B160. How did you fix the problem?


  • Danielllll Nov 21, 2012

    I have exactly the same problem. When it's warm, i turn it off & on and it works normal. Can you please let me know how you solved the problem?



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Try changing the fluids and filter in tranny thats about the mileage for changing filter and fluids anyway so its called for so its not a waste

Posted on Sep 03, 2010

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it's very special, and if done wrong, dooms the trans-axle
all this is covered, in the FSM
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login to
the lube is at GM. dealers.
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VT25e (cvt made in Hungary)
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spec, fluid
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