W164 ML320 DEF leak - should it be covered under extended warranty from Bluetec settlement field measures?

I've usually had to refill the adblue/DEF a couple of times a year, but have had to do it 4 times since getting the field measures done in May... while recently towing our camper home, I had to refill after just 800kms (over two days), and had the CEL come on and the car now goes into limp mode with any serious load, which means towing our camper home I had to go about 90km/h and often still had to pull over, stop and restart the car when encountering any sizable hill. Not ideal. The trailer... W164 ML320 DEF leak - should it be covered under extended warranty from Bluetec settlement field measures?

I've usually had to refill the adblue/DEF a couple of times a year, but have had to do it 4 times since getting the field measures done in May... while recently towing our camper home, I had to refill after just 800kms (over two days), and had the CEL come on and the car now goes into limp mode with any serious load, which means towing our camper home I had to go about 90km/h and often still had to pull over, stop and restart the car when encountering any sizable hill. Not ideal. The trailer...

W164 ML320 DEF leak - should it be covered under extended warranty from Bluetec settlement field measures?

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