2016 Mercedes-Benz GLE350 AC Isn't Working

Common Causes of AC Issues in Your 2016 Mercedes-Benz GLE350 and How to Resolve Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2016 Mercedes-Benz GLE350 AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take when the AC isn't working in a 2016 Mercedes-Benz GLE350?

When your 2016 Mercedes-Benz GLE350's AC isn't functioning, start by checking the thermostat settings to ensure they are correctly adjusted to a cool temperature, as incorrect settings can often be the simplest explanation for the issue. Next, inspect the air filters; dirty or clogged filters can significantly restrict airflow, leading to poor AC performance. If the filters are dirty, replacing them can often restore functionality. Following this, examine the refrigerant levels, as low refrigerant can cause the system to blow warm air. If you suspect low levels, it’s advisable to have a professional check and refill them if necessary. Additionally, look for any visible signs of leaks around the AC system, such as oily residue, which can indicate a refrigerant leak that needs addressing. Testing the compressor is also crucial; ensure it engages when the AC is turned on, as a malfunctioning compressor may require repair or replacement. Lastly, inspect the electrical connections related to the AC system for any signs of corrosion or looseness, as faulty connections can prevent the system from operating correctly. By systematically following these steps, you can effectively diagnose and potentially resolve the AC issues in your vehicle.

What are the common problems that could cause the AC to stop working in a 2016 Mercedes-Benz GLE350?

When dealing with a malfunctioning AC system in a 2016 Mercedes-Benz GLE350, it's essential to understand the common problems that may arise. One frequent issue is a refrigerant leak, which can significantly hinder the system's ability to cool the air effectively. Additionally, electrical climate control problems can disrupt the operation of the AC, leading to inconsistent performance. The air conditioning compressor is another critical component that may fail, either due to malfunction or improper refrigerant levels, whether too low or overcharged. A clogged cabin air filter can restrict airflow, making it seem like the AC isn't working properly, while dirty condenser or evaporator coils can reduce efficiency. Lastly, a faulty blower motor can prevent air from circulating within the cabin, further complicating the situation. By identifying these potential issues, DIY enthusiasts can take the necessary steps to diagnose and resolve AC problems, ensuring a comfortable driving experience.

How urgent is it to address the non-functioning AC in a 2016 Mercedes-Benz GLE350?

When faced with a non-functioning AC in your 2016 Mercedes-Benz GLE350, it is crucial to recognize the urgency of the situation. A malfunctioning air conditioning system can significantly compromise your driving experience, especially during sweltering summer months. The discomfort of a hot vehicle can distract you from the road, increasing the risk of accidents. Moreover, prolonged exposure to high temperatures can lead to heat-related health issues for both you and your passengers, particularly for vulnerable individuals such as children or the elderly. Beyond immediate comfort and safety concerns, neglecting the AC issue can result in more severe damage to the system, leading to costly repairs down the line. Additionally, maintaining a fully operational AC system is essential for preserving your vehicle's resale value; potential buyers are likely to be deterred by a car that lacks a functioning air conditioning system. Therefore, while it may not seem like an emergency, addressing the non-functioning AC promptly is a wise decision that ensures comfort, safety, and the longevity of your vehicle.

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