ML350 W164 transmission problem please help

[Contrast61]

Good afternoon team, on the road in an overtaking suddenly the gearbox something happened and does not lower or raise . With D-N-R gears it only goes forward and has no reverse at all, also it's like it has fourth gear inside and skates to start when I stop. Turn on Check engine p0730, p0746 and p1789 , is there anything I try before I go dealership ?


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[ajlsl600]

When did you last dump ur trans oil? That wud be first Q? and or the trans filter those codes relate to issues with in trans solenoids.and maybe oil flows. Reduced by blockages sludge build up by contaminated trans oil. If it was recently changed then check all ur wiring to from/ tranny. Failing that . most likely internal trans component issues

 

[Contrast61]

Solved !!!


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[LostKiwi]

Solved !!!


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And it was....?

 

[Wighty]

Solved !!!


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By ?

 

[ajlsl600]

Mungu! (swahile for god?)

 

[Contrast61]

Mungu! (swahile for god?)

I change the gearbox!!!! Used one , totally 2,500€ including and the work of the engineer.


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