2017 Mercedes-Benz G63 AMG Cruise Control Isn't Working

Fixing Cruise Control Issues in 2017 Mercedes-Benz G63 AMG

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2017 Mercedes-Benz G63 AMG cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
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.

How much does it cost to fix a 2017 Mercedes-Benz G63 AMG cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

What steps should I take to diagnose the non-functioning cruise control in my 2017 Mercedes-Benz G63 AMG?

To effectively diagnose the non-functioning cruise control in your 2017 Mercedes-Benz G63 AMG, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily rectifiable issue. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can hinder the system's operation. Following this, verify the functionality of the speed sensors, since faulty sensors can disrupt the cruise control's ability to engage. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, ensure that the brake and clutch switches are functioning correctly, as malfunctioning switches can disable the cruise control. Finally, inspect the wiring and connections associated with the cruise control system for any damage or loose connections, as these can also lead to operational failures. By following this structured diagnostic approach, you can efficiently identify and address the root cause of your cruise control issues.

What are the common problems that could cause the cruise control to stop working in a 2017 Mercedes-Benz G63 AMG?

When troubleshooting the cruise control system in a 2017 Mercedes-Benz G63 AMG, it's essential to consider several common problems that could lead to its malfunction. One of the primary culprits is a faulty speed sensor, which is crucial for the system to accurately gauge the vehicle's speed. If this sensor fails, the cruise control may not engage or maintain the desired speed. Additionally, issues with the brake light switch can disrupt the cruise control's operation, as the system relies on signals from the brake system to function correctly. Another potential issue is a malfunctioning throttle actuator, which can hinder communication between the cruise control and the engine, preventing proper operation. Furthermore, a defective cruise control module itself may need repair or replacement to restore functionality. Lastly, electrical problems such as wiring issues or blown fuses can also impede the cruise control system. By identifying and addressing these common issues, DIY enthusiasts can effectively troubleshoot and potentially resolve cruise control problems in their G63 AMG.

How urgent is it to address the non-functioning cruise control in a 2017 Mercedes-Benz G63 AMG?

When it comes to the non-functioning cruise control in your 2017 Mercedes-Benz G63 AMG, addressing the issue should be a priority, even if it may not seem like an immediate emergency. The cruise control system is designed to enhance your driving experience by maintaining a consistent speed, which not only reduces driver fatigue during long trips but also contributes to better fuel efficiency. However, a malfunctioning cruise control can signal deeper electronic or sensor-related issues within your vehicle. Ignoring this problem could lead to more significant inconveniences, especially on extended highway drives where cruise control is most beneficial. Moreover, a faulty cruise control system might be indicative of broader performance and safety concerns, making it crucial to have the system checked and repaired promptly. By taking action now, you can prevent potential safety risks and ensure the continued reliability of your vehicle, ultimately safeguarding both your driving experience and your investment.

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2017 Mercedes-Benz G63 AMG Cruise Control Malfunction Guide