tear

I have 2010 S212 E220 estate and had a tear in drivers seat repaired yesterday at a car upholsters. fixed the tear nicely but in taking the seat out they have set off an error message (along the lines of drivers air bag faulty/malfunction). It appears all the cables have been clicked in...

I have a dispute with my warranty company who state that an air bellow on the suspension which has split and is leaking air causing the car to lower on that corner is a result of wear and tear and not a mechanical failure and it is therefore not covered by the policy. Can anyone suggest...