W210 E240 Auto occasional problems engaging drive


New Member
Nov 7, 2015
2000 ML320
Sometimes, if I shift to neutral when waiting at traffic lights the box does not want to engage drive when it's time to set off.

I move the lever to 'D' but nothing happens, though it always engages eventually after a bit of shifting the lever back and forth after about 15 seconds or so. Obviously a bit embarrassing though.

Doesn't happen all the time, it usually engages within 1 second and it always shifts fine once it's engaged. Never happens when first setting off from park, only when shifting from neutral after the car has been running for a bit.

I've also noticed that when this happens, the engine does not respond to accelerator input at all and will not rev until the gear eventually engages.

Not a huge problem as I can just leave it in drive but interested to know what's going on. I am planning on changing the fluid and filter soon so maybe that will help.

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