I purchased this mercedes new in 2016, the brakes have squealed ever since when cold 32 degrees or less.. once in awhile when warm. 2 we smelled gasoline, we took it to a repair shop, they found two fuel hoses sprayed gas in a mist especially when cold.. 3 there are 3 recalls open on this mercedes, i took it in when the air bag recall arrived at our house, i was told we don't have parts. our car is out of warranty, it has 56000 miles. i take it to a repair shop run by certified mercedes technicians. thank god we didn't have a fire with the gas leak. i did smell the gas when moving thru the ventilation system and when sitting and the smell was all around the car.