Mercedes-Benz ML320 Problem Report

Mercedes-Benz ML320 Air Conditioning Not Cold

(27 reports)

AC system leaks and/or a faulty evaporator temperature sensor can cause poor AC cooling. The failed sensor can prevent the AC compressor from coming on. Leaks cause a low refrigerant level, which reduces the ability to cool.

My AC stop working. It is blowing air but it is not cooling. I replaced blown fuse still is not working. -
we had our mechanic refill freeion 3x for the last 6 months. it doesnt work again. -
During the past couple of summers I have had to keep refrigerant in the trunk of the car because I can not tell when or where the leak is coming from but I have had to refill the ac at least twice a year because the coolant has leaked out. -
poor cooling, did not know why, took to Goltz motors, a specialist. replaced compressor... -
ac clutch will not engage just have hot air no ac -
I think I need a rechare. -
Battery went dead, recharged now the AC only blows hot air, the dome lights do not work, the unlock the doors from the inside does not work All fuses are good. No fix as of yet, really need the AC ! -
leaks free on -
A/c needs to be recharged with stop leak refrigerant and new freon every year. -
Haven't got it fixed. Was quoted replace evaporator -- over 20 hours labor plus part! Around $2000 -
Sometimes when you first get in and start up the car it can take up to a mile of driving to get the airconditioner to the point of blowing cold instead of cool air, -
Related Items:
IT BLOWS HOT AIR WHEN I TURN ON JUST THE FAN ON COLD SETTING AND I TRIED TURNING ON THE AC BUT...
leak getting worse front left under oil filter but not filter cap
It blows heat when ac is on or off,take note even the ac is off ac prion is full.
I had a leak on the hose which I cut back and reclamped about a month ago. I got into the car t...
I have a slow leak requiring a few ml of fluid every month or so. I have some MB P/S fluid, bu...