2016 Mercedes-Benz GLE63 AMG S AC Isn't Working

Common Causes of AC Malfunctions in Your 2016 Mercedes-Benz GLE63 AMG S and How to Fix Them

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Reviewed by
Devin Cabugcal
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 GLE63 AMG S 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 GLE63 AMG S?

When faced with an AC malfunction in your 2016 Mercedes-Benz GLE63 AMG S, start by checking the thermostat settings to ensure they are correctly adjusted. This simple adjustment can often resolve the issue. Next, inspect the air filters; if they are dirty or clogged, replacing them can significantly improve airflow and AC performance. Following this, examine the refrigerant levels, as low levels can lead to inadequate cooling. If you suspect a leak, look for any oily residue around the AC connections or hoses, as this can indicate refrigerant loss. Additionally, test the compressor to ensure it engages properly when the AC is activated; a malfunctioning compressor may require repair or replacement. Lastly, check the electrical connections related to the AC system for any loose or damaged wires, as these can hinder the system's efficiency. By systematically addressing these areas, 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 GLE63 AMG S?

When tackling the issue of a malfunctioning AC in a 2016 Mercedes-Benz GLE63 AMG S, it's crucial to understand the common problems that could be at play. One of the primary culprits is low refrigerant levels, which can significantly impair cooling performance or even lead to total AC failure. If the compressor is faulty, it may not effectively circulate refrigerant, resulting in warm air blowing from the vents. Additionally, electrical issues, such as blown fuses or damaged wiring, can disrupt the entire AC system's operation. Clogged or leaking refrigerant lines can also prevent the necessary flow of refrigerant, further compromising cooling efficiency. Moreover, defects in the condenser or evaporator can hinder the essential heat exchange process, while a malfunctioning blower motor may restrict air circulation, leading to inadequate cooling. For those looking to DIY, it's important to systematically check these components to identify the root cause of the AC failure, but remember that some issues may require professional diagnosis and repair to ensure optimal functionality.

How urgent is it to repair the non-functioning AC in a 2016 Mercedes-Benz GLE63 AMG S?

When faced with a non-functioning AC in your 2016 Mercedes-Benz GLE63 AMG S, the urgency of repair cannot be overstated. A malfunctioning AC system not only detracts from your driving comfort, especially during sweltering summer months, but it can also pose significant safety risks. For instance, an ineffective AC may fail to defog your windows, impairing visibility and increasing the likelihood of accidents. Moreover, delaying repairs can lead to more severe damage within the AC system, resulting in costly repairs that could have been avoided with timely attention. Additionally, maintaining a fully operational AC system is essential for preserving the resale value of your vehicle, as prospective buyers often scrutinize the condition of such features. Therefore, addressing AC issues promptly is crucial for ensuring a safe, comfortable driving experience and protecting your investment in the long run.

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2016 Mercedes-Benz GLE63 AMG S AC System Fix Guide