2016 Mercedes-Benz G63 AMG Cruise Control Isn't Working

Fixing Cruise Control Issues in 2016 Mercedes-Benz G63 AMG

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Reviewed by
Devin Cabugcal
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 2016 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 2016 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 cruise control issue in my 2016 Mercedes-Benz G63 AMG?

To effectively diagnose the cruise control issue in your 2016 Mercedes-Benz G63 AMG, it's essential to adopt a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Start by inspecting the cruise control fuse, as a blown fuse is a common culprit that can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel to ensure they are working correctly, since faulty buttons can prevent the system from engaging. If these initial steps do not resolve the problem, utilize an OBD-II scanner to check for any error codes that may provide insights into specific malfunctions within the cruise control system. Following this, assess the speed sensors, which are crucial for the proper operation of cruise control; any faults here can lead to significant issues. Additionally, inspect the wiring connections for signs of damage or corrosion, as poor connections can hinder performance. If all these components appear to be functioning correctly, proceed to test the cruise control module itself, as a malfunctioning module could be the root cause of the problem. If you still cannot identify the issue, it may be prudent to consult a professional mechanic or an authorized Mercedes-Benz service center for a thorough evaluation. By following this structured approach, you can effectively diagnose and address the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2016 Mercedes-Benz G63 AMG?

When troubleshooting the cruise control system in a 2016 Mercedes-Benz G63 AMG, it's essential to understand the common problems that may lead to its failure. One prevalent issue is a faulty speed sensor, which can disrupt the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining speed effectively. Additionally, the brake light switch plays a crucial role; if it malfunctions, it may inadvertently signal the cruise control to disengage, causing unexpected interruptions. Another critical component is the throttle actuator, which regulates the engine's throttle opening. If this actuator is not functioning correctly, it can lead to erratic behavior or complete failure of the cruise control system. Electrical problems, such as blown fuses or wiring faults, can also impede the system's operation, making it vital to inspect these components. Lastly, for vehicles with vacuum-operated systems, any leaks in the vacuum lines can severely affect performance. By systematically addressing these issues, you can effectively diagnose and potentially repair the cruise control system, restoring its functionality and enhancing your driving experience.

How urgent is it to address the malfunctioning cruise control in a 2016 Mercedes-Benz G63 AMG?

Addressing a malfunctioning cruise control in a 2016 Mercedes-Benz G63 AMG is of utmost importance due to the potential safety risks and performance implications involved. When cruise control fails, it can lead to erratic speed changes, which not only disrupts driving stability but also increases the likelihood of accidents. The comfort and convenience that cruise control provides are compromised, leading to increased driver fatigue and distraction. Moreover, neglecting these symptoms can exacerbate the problem, potentially causing damage to related systems that may result in more extensive and costly repairs down the line. Therefore, it is crucial to diagnose and repair any cruise control issues promptly, ensuring that this essential feature operates effectively and safely, ultimately enhancing the overall driving experience.

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