2017 Mercedes-Benz SL63 AMG AC Isn't Working

Common Causes of AC Malfunctions in Your 2017 Mercedes-Benz SL63 AMG and How to Fix Them

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Reviewed by
Aisha
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 2017 Mercedes-Benz SL63 AMG 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 2017 Mercedes-Benz SL63 AMG?

When faced with an AC malfunction in your 2017 Mercedes-Benz SL63 AMG, start by ensuring that the AC controls are set correctly, as simple misconfigurations can often be the culprit. Next, inspect the fuses associated with the AC system; a blown fuse can disrupt functionality and is an easy fix. If the controls and fuses check out, visually inspect the AC system for any signs of leaks, as refrigerant loss can severely impact performance. Following this, use a gauge to assess the refrigerant level; low levels may indicate a leak or other issues that need addressing. Additionally, verify that the AC compressor engages when the system is activated, as a malfunctioning compressor can hinder cooling. Finally, consider using a diagnostic scanner to check for error codes that may provide insight into specific problems. 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 system to stop working in a 2017 Mercedes-Benz SL63 AMG?

When troubleshooting the AC system in a 2017 Mercedes-Benz SL63 AMG, it's essential to understand the common problems that could lead to its failure. One prevalent issue is refrigerant leaks, which can occur in various components such as hoses or the compressor, significantly reducing cooling efficiency. Another critical factor is the compressor itself; if it malfunctions, the system cannot circulate refrigerant effectively, resulting in inadequate cooling. Additionally, electrical issues, including blown fuses or faulty wiring, can disrupt the AC's operation, preventing it from functioning correctly. A clogged expansion valve may also impede refrigerant flow, leading to diminished cooling performance or total system failure. Lastly, a faulty blower motor can prevent cold air from being distributed into the cabin, further exacerbating the problem. By identifying and addressing these issues, you can restore the AC system's functionality and ensure a comfortable driving experience.

How urgent is it to address the non-functioning AC in a 2017 Mercedes-Benz SL63 AMG?

When faced with a non-functioning AC in your 2017 Mercedes-Benz SL63 AMG, it is crucial to recognize the urgency of the situation. A malfunctioning AC system not only detracts from your driving comfort, especially during sweltering summer months, but it can also pose safety risks. Discomfort can lead to distractions, and in some cases, you may need to open windows for ventilation, which can impair visibility and increase noise levels. Moreover, neglecting AC issues can result in further damage to the system, leading to more extensive and costly repairs down the line. By addressing the problem promptly, you not only safeguard your comfort and safety but also protect the integrity of your vehicle. Additionally, maintaining a fully functional AC system is vital for preserving the resale value of your SL63 AMG; potential buyers are more likely to be attracted to a well-maintained vehicle with all systems operational. Therefore, it is advisable to prioritize fixing your AC to ensure a pleasant driving experience and to avoid future complications.

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2017 Mercedes-Benz SL63 AMG AC Problems: Causes & Repairs