Why is there no heat in my Mercedes ML320?

Why is there no heat in my Mercedes ML320?

Description: Trouble shoot an air conditioner and heater control in a Mercedes ML 320. Sometimes it’s just the airflow door motor that’s fried and is not opening the small door that directs the Hot or Cold air out the vents. You have to remove your dash to get to it, or…try this Loading…

Why is my AC blowing only hot air?

The air coming in may be cold, your AC setting is on cold but you get only hot air from the vents. The following video will show you how to check the operation of the A/C air blend heater flap. You can also manually switch the stuck flap to COLD settings if you need a temporary solution.

Where is the flap on the ML320 ml430?

Open the glove box and you will see the four screws that hold it in place. Once you remove the screws pull out the glove box. Behind the glove box (on the left) you will see a white plastic arm. This is the flap that switches the air flow from hot to cold. It gets stuck in HOT position.

Why does my Blend motor not move when I Turn on the AC?

This is caused by the blend motor flap getting stuck and no longer moving when you rotate the AC knob between Hot and Cold. You can manually switch the blend motor flap if you remove the glove box.

Description: Trouble shoot an air conditioner and heater control in a Mercedes ML 320. Sometimes it’s just the airflow door motor that’s fried and is not opening the small door that directs the Hot or Cold air out the vents. You have to remove your dash to get to it, or…try this Loading…

Open the glove box and you will see the four screws that hold it in place. Once you remove the screws pull out the glove box. Behind the glove box (on the left) you will see a white plastic arm. This is the flap that switches the air flow from hot to cold. It gets stuck in HOT position.

The air coming in may be cold, your AC setting is on cold but you get only hot air from the vents. The following video will show you how to check the operation of the A/C air blend heater flap. You can also manually switch the stuck flap to COLD settings if you need a temporary solution.

This is caused by the blend motor flap getting stuck and no longer moving when you rotate the AC knob between Hot and Cold. You can manually switch the blend motor flap if you remove the glove box.

Can a person fix a Mercedes Benz ML320?

Mercedes Benz ML320 AC Fix and Repair ANYONE can do it! – YouTube Mercedes Benz ML320 AC Fix and Repair ANYONE can do it! If playback doesn’t begin shortly, try restarting your device.

How to fix stuck flap on ML320 ml430?

You can also manually switch the stuck flap to COLD settings if you need a temporary solution. Overwise buy the part above and replace it. This opens in a new window. Start by removing the glove box. Open the glove box and you will see the four screws that hold it in place.

Mercedes Benz ML320 AC Fix and Repair ANYONE can do it! – YouTube Mercedes Benz ML320 AC Fix and Repair ANYONE can do it! If playback doesn’t begin shortly, try restarting your device.

You can also manually switch the stuck flap to COLD settings if you need a temporary solution. Overwise buy the part above and replace it. This opens in a new window. Start by removing the glove box. Open the glove box and you will see the four screws that hold it in place.

Where is the fuse box panel located on a Mercedes-Benz ML320?

Where is the fuse box panel located on a Mercedes-Benz on a ML320, ML350, ML430, ML500? The main fuse box is located in the engine compartment, driver’s side. Auxiliary fuse box is located inside the cabin, in the passenger foot well. The main fuse box is located in the engine bay.

Why does my Mercedes Benz make a clicking sound?

The clicking sound and the rest of the symptoms may be attributed to a broken stepper motor lever or the footwell damper linkage. This is a common problem in MB C230, C240, C320, CLK320, CLK350, CLK500 but this problem can affect other Mercedes-Benz models such as E, S, CLS, GL, ML Class.

When did the Mercedes Benz ML Class come out?

In this article, we consider the first-generation Mercedes-Benz M-Class / ML-Class (W163), produced from 1997 to 2005.

In this article, we consider the first-generation Mercedes-Benz M-Class / ML-Class (W163), produced from 1997 to 2005.

Where is the ampere rating on a Mercedes-Benz fuse?

The fuse rating is written on the fuse. You can verify that you are using the correct fuse, by making sure the fuse colors for the blown fuse and the new fuse match. This indicates the same ampere rating. Your Mercedes-Benz uses Automotive Blade Fuse Type.

Where are the fuses on a Mercedes Benz M class?

Cigar lighter / power outlet fuses in the Mercedes-Benz M-Class are the fuses #2 (Front cigar lighter), #6 (Interior socket) in the Passenger Compartment fuse box, and fuse #1 (Up to 08.31.01: Interior socket) in the Engine Compartment Fuse Box. The fuse box is located in the front-right footwell, behind the cover.

Why is my Mercedes air conditioner not working?

Your Mercedes vehicle will flash a host of service lights to inform you when something might be damaged inside the car. If the air conditioner unit is not running normally or is only blowing out warm air, it may be a temporary fault. Sometimes the unit isn’t actually damaged, and resetting your climate control unit …

How do you reset the AC system on a Mercedes?

Hold these buttons down for about five to 10 seconds, or until the LED lights on both buttons start flashing. Wait 45 to 60 seconds for the LED lights to stop flashing. Then turn off the car. Wait 60 seconds and then start the car engine again.

Why is my Mercedes air conditioning not working?

All Mercedes cars have a series of service lights that there is something wrong with an internal component or system. However, there might not be any damage in the AC unit when it is blowing warm air or not running properly. It could be a temporary fault and a reset is likely to be enough to restore the normal function.

How do you reset the AC in a Mercedes?

Resetting the AC is a simple task. (Photo Source: mercedesclub) Step 1: To do the resetting, you have to insert the ignition key to its slot and turn the ignition cylinder to the position ‘2’. This is the highest point that the cylinder can go without activating the engine.

Why does my Mercedes E320 AC not reset?

For example, if you want to know about Mercedes E320 AC reset, it is better to check the manual and follow the manufacturer’s recommendations. If a Mercedes air condition reset does not work, these following reasons could be causing the trouble: When the AC is releasing hot air, the possible reason could be a defect in the damper.

What is the recirculated air button on a Mercedes?

This is as far as the cylinder will go without cranking the engine. Press and hold the defrost and recirculated air buttons simultaneously. The defrost button has three lines going through it, while the recirculated air button has a picture of a car with a curved line through it.

This is as far as the cylinder will go without cranking the engine. Press and hold the defrost and recirculated air buttons simultaneously. The defrost button has three lines going through it, while the recirculated air button has a picture of a car with a curved line through it.

How does the defrost button on a Mercedes work?

The defrost button has three lines going through it, while the recirculated air button has a picture of a car with a curved line through it. Hold these buttons down for about five to 10 seconds, or until the LED lights on both buttons start flashing. Wait 45 to 60 seconds for the LED lights to stop flashing. Then turn off the car.

What to do if your Mercedes AC unit stops working?

Your Mercedes vehicle will flash a host of service lights to inform you when something might be damaged inside the car. Be aware that if you reset the unit and it again stops working, you need to take the vehicle in to the dealership for repairs. Insert the key into the Mercedes ignition and turn the ignition cylinder to the “2” position.

Why is my air conditioning not working on my Mercedes ML320?

What are common reasons my Mercedes-Benz ML320 has air conditioning problems? While there are a variety of reasons your Mercedes-Benz ML320 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.

How to troubleshoot your Mercedes Benz air conditioner?

Identify the location of your compressor. Look at the pullyer and you should be able to see if it spining or not. The engine running turn the A/C on max cool, set fans high, and make sure that the clutch is engaging on the compressor. The pulley spins any time the engine is running. The center part of the A/C pulley only engages when the A/C is on.

The defrost button has three lines going through it, while the recirculated air button has a picture of a car with a curved line through it. Hold these buttons down for about five to 10 seconds, or until the LED lights on both buttons start flashing. Wait 45 to 60 seconds for the LED lights to stop flashing. Then turn off the car.

How can I charge my Mercedes ML320 air conditioner?

You will need to press and hold the quick-release at the end of the hose, insert it on the AC charging port then release it. Read the pressure in your air conditioner system. If the pressure is low the gauge reading will be in the white zone.

How to recharge ML320 W163 1998-2005?

How to recharge the Air Conditioner (A/C) system of your ML-Class W163. Turn the engine on and let it idle. Turn the air conditioner ON and set it to the maximum cold setting. Open the hood of your ML320 W163 and locate the low-pressure AC service port and remove the cap. Attach the refrigerant gauge to the service port.

Why is my ML320 blowing hot air even when the AC is on cold?

Is your ML blowing hot air even though you have the AC on cold setting? A common problem with the ML320 / ML430 is the AC getting stuck on Hot or Cold setting. This is caused by the blend motor flap getting stuck and no longer moving when you rotate the AC knob between Hot and Cold.