Cheers Midisav,
I drove a bit, not too long as the hole was open to dust, but nothing. I block the hole tomorrow and drive it as long as I can see if there is any code?
The MAF need to be plugged in, if not no boost... I wonder if some kind of simple bridge at the connection would work?

__________________
E300TD year 2000. RUSTY SOLD
cost a fortune to maintain on the road
but run well on WVO
Second Merc died due to corrosion ( NOT rust) How can mercedes get away with that for so long?
Third lasted a month then went away...
Fourth now... Corroded too...