There could be several reasons why the 4th gear in your 1992 Mercedes 300 SE may not engage. The reasons can include a gummed up solenoid, a wiring issue, or a relay switch problem.
It cost around $2800.00 for a rebuilt Trans from Mercedes which is a deal worked out between the dealer & a trans-rebuild Co. If you want a Genuine Mercedes trans from the factory.. It's around $4000.00
A specific Sprinter trans fluid available from Dodge or Mercedes.A specific Sprinter trans fluid available from Dodge or Mercedes.
should be a filler tube comin out of the trans
Trans. may need a rebuild
as per mercedes benz trans oil is lifetime fill this might haved changed but from what i was told its lifetime oil fill
there is a software update on trans and engine computer this will make it less noticeable the reason it bucks its the trans convertor locking up
a stall will not engage trans until a minimum rpm is reach depending on rpm range of the stall converter
u can use dexconn III trans fluid too
Put your trans in neutral and move the second ( 4wd) shifter into the desired 4wd mode.
Not sure if this will help, I am having the same problem. the first thing I checked for was low trans fluid level, next I will vheck the filter and flush the trans
PETER KARPATI has written: 'FOURTH GATE (A NEGYEDIK KAPU); TRANS. BY DENNIS KELLY'
mine was doing the same now it is doing it with when i shift to drive Probable internal trans failure.