I have an older 300D W123 with the 711.118 transmission and all of a sudden it will only upshift based on speed and not throttle position as well. Furthur it won't go into top gear no matter how high the engine revs. There are no transmission leaks but level seemed to be low when I checked it. Added 250 ml of ATF and no change. Kickdown function still works. Not sure what to do next! Throttle link appears Ok and working , no sure if it has slipped on the splined shaft on the transmission shaft though.
Regarding level checking , when the engine is not running the level is some 50 mm or so higher on the dipstick than when engine is running - is this OK. Furthur the cold fluid level check - is this also done when engine is running? Peter
