W210 e320 CDi auto box 5th gear slippage

[skemball]

Does anyone know whether the gearbox in an E320CDi should lock like a manual gearbox when in 5th gear?

mine will slip when accelerating - not much but enough to show it isn't 'locked' releasing the gas pedal results in the revs dropping - not by much but again clearly proving that its not locked.

Its always been like this but I'd like to clear the matter in case its not supposed to act like this

 

[Buggerlugs]

AFAIK most (if not all) 210's don't lock up at all, it's not programmed to do so in the software. I've worked on tons of these and the only ones I've had actually lock up was when they had a fault with the valve body causing an uncommanded lock up.

I was told, so don't take this as gospel, that the early 210's had pre-production issues with the converter (lock up) clutch and as a result the function was disabled in the TCM software until a permanent fix could be implemented. The fix was never forthcoming......