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

Fixing Cruise Control Issues in Your 2017 Mercedes-Benz AMG GT

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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 AMG GT 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 AMG GT 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 are the initial steps to diagnose the non-functioning cruise control in a 2017 Mercedes-Benz AMG GT?

When diagnosing the non-functioning cruise control in a 2017 Mercedes-Benz AMG GT, it's essential to adopt a methodical approach that starts with the most straightforward solutions. Begin by checking the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, ensure that the cruise control settings are correctly configured on the dashboard or steering wheel controls, as incorrect settings can prevent activation. Utilizing a diagnostic scanner to check for error codes is a crucial step, as it can reveal underlying issues that may not be immediately apparent. Additionally, inspect the cruise control buttons on the steering wheel for any signs of physical damage or malfunction, which could hinder operation. Finally, test the brake pedal switch, since the cruise control system is designed to disengage when the brake is pressed; a faulty switch could be the culprit behind the malfunction. By following these steps, you can effectively narrow down the potential causes of the cruise control issue and take the necessary actions to restore functionality.

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

When troubleshooting the cruise control system in a 2017 Mercedes-Benz AMG GT, it's essential to understand the common problems that may lead to its malfunction. 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 the desired speed. Additionally, problems with the brake light switch can pose significant challenges, as this switch is crucial for disengaging the cruise control when the brake pedal is pressed; a malfunction here can cause the system to behave erratically. Another potential culprit is the throttle actuator, which regulates the engine's throttle opening; if it fails, the cruise control may struggle to maintain speed effectively. Furthermore, a defective cruise control module can hinder communication between various system components, leading to operational failures. Lastly, electrical issues such as wiring problems or blown fuses can also impede the cruise control's functionality. By identifying and addressing these common issues, DIY enthusiasts can work towards restoring the cruise control system to its optimal performance.

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

Repairing the non-functioning cruise control in a 2017 Mercedes-Benz AMG GT should be treated as a priority due to its significant implications for safety, comfort, and vehicle value. A malfunctioning cruise control system can lead to increased driver fatigue and distraction, particularly during long drives, which heightens the risk of accidents. Additionally, the absence of this feature can make driving less enjoyable and more physically taxing, as the driver must constantly monitor and adjust their speed. Furthermore, addressing this issue promptly is crucial for maintaining the vehicle's resale value; potential buyers are often wary of purchasing cars with known mechanical problems. Therefore, taking immediate action to repair the cruise control not only enhances the driving experience but also safeguards your investment in the vehicle.

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