Q7 E-Tron devised engine reliability issues

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Hi folks,

After advice on the Q7 E-Tron Diesel engine:

I was chatting in the garage the other day about possible replacements for my current car (Mercedes estate) and mentioned I was looking at a Q7 E-Tron diesel/electric PHEV. They (the garage owner), said the engines were very unreliable, swirl vane issues amongst them.

Have any Q7 E-Tron owners on here had any engine related problems? If so, what sort.

cheers folks.

Dave