What causes an AC compressor to go bad?

What causes an AC compressor to go bad?

Low Refrigerant Levels — Low refrigerant levels are typically caused by leaks in the refrigerant lines. Low refrigerant levels make the compressor work hard just to pump enough refrigerant through the AC unit, which, as you may have guessed, can lead to compressor failure.

Why is my air conditioning not working on my Mercedes ML350?

While there are a variety of reasons your Mercedes-Benz ML350 air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. What will be the outcome of an air conditioning system diagnosis?

Why does my Mercedes-Benz air conditioner blow hot air?

When the air conditioner in your 2007 Mercedes-Benz ML350 starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system.

What should I replace my ML350 AC compressor with?

Since the root cause of the AC failure was the radiator suction fan, and the 11 year old ML350 had 163,000 on the clock, decided to replace this component as well. Not found on PartsGeek, or PelicanParts; so looked on FCPEuro and OEM Parts.com. OEM was definitely less expensive than FCP, but still spendy at $468.

What kind of refrigerant does a Mercedes ML350 use?

Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a refrigerant. The A/C system in your ML350 consists of a compressor that is belt-driven, an evaporator and freon.

While there are a variety of reasons your Mercedes-Benz ML350 air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. What will be the outcome of an air conditioning system diagnosis?

Since the root cause of the AC failure was the radiator suction fan, and the 11 year old ML350 had 163,000 on the clock, decided to replace this component as well. Not found on PartsGeek, or PelicanParts; so looked on FCPEuro and OEM Parts.com. OEM was definitely less expensive than FCP, but still spendy at $468.

How to troubleshoot your Mercedes medic air conditioner?

Turn the A/C ON. If you have an Economy button make sure that is off. Make sure fan is on HIGH, temperature selector is turned all the way to COLD, and that the A/C and recirculate light indicators are on. Set the temperature to cold, the lowest setting. Set the cooling fans on high on the climate control.

How much does it cost to replace a ML350 condenser?

At a minimum, replace the compressor and condenser – filled with correct PAG 100 oil ($10), evacuate and recharge with fresh 134a refrigerant ($36). For parts, DENSO is the OEM for the ML350. Called DENSO to order correct model, but they were out of stock.