Mercedes-Benz AMG GT 53 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Mercedes-Benz AMG GT 53 and How to Fix Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
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25% chance it's the
Control Module
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a Mercedes-Benz AMG GT 53 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 Mercedes-Benz AMG GT 53 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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

A faulty cruise control module will simply result in deactivation of cruise control settings. This is because a detected error in the cruise control system could lead to hazardous driving conditions, so the module will be disabled, and the cruise control system warning light will be displayed. This will be a different message depending on make and model, and a warning light or message may be displayed on the driver instrument cluster.

Troubleshooting Cruise Control Issues in a Mercedes-Benz AMG GT 53

When troubleshooting cruise control issues in your Mercedes-Benz AMG GT 53, it's essential to adopt a systematic diagnostic approach. Start by checking the simplest components, such as the fuse and brake light switch, as these are common culprits for cruise control malfunctions. A blown fuse or a faulty brake light switch can easily trick the system into thinking the brakes are engaged, thereby disabling cruise control. If these components are functioning correctly, inspect the control module and associated sensors for any signs of failure. Pay attention to any warning messages displayed on the instrument cluster, as they can provide valuable insights into the underlying issues. If the cruise control operates intermittently, consider examining the throttle actuation system and the integrity of the cruise control connector pins, as dry solder joints can lead to erratic behavior. By methodically addressing these potential issues, you can effectively diagnose and resolve the cruise control problems in your vehicle, ensuring a smoother driving experience.

Troubleshooting Cruise Control Issues in a Mercedes-Benz AMG GT 53

When troubleshooting cruise control issues in a Mercedes-Benz AMG GT 53, understanding the common problems that can affect the system is essential for effective DIY repairs. Start by examining the control module, sensors, and switches, as failures in these components are often the primary culprits behind cruise control malfunctions. Next, assess the throttle actuation, since any problems here can prevent the system from engaging correctly. The ABS wheel speed sensor is another critical element; if it’s defective, it can disrupt the cruise control's ability to maintain speed. Additionally, inspect the actuator under the hood, as low resistance can damage the controller and impair functionality. The brake pedal switch is also worth checking, as a malfunction can inadvertently disable the cruise control system. Lastly, don’t forget to look at the spiral cable within the steering wheel, which, if faulty, can prevent proper communication between the cruise control switch and the system. By methodically diagnosing these areas, you can identify and resolve the issues affecting your AMG GT 53's cruise control.

Why is the Cruise Control Not Working in a Mercedes-Benz AMG GT 53?

When the cruise control in your Mercedes-Benz AMG GT 53 is not functioning, it is crucial to address the issue promptly, as neglecting it could lead to safety risks while driving. Common culprits include a failed control module, sensor, or switch, which can disrupt the system's operation. Additionally, throttle actuation problems may prevent the cruise control from engaging properly. It's also worth checking for any incorrect tire placements, as improper alignment can affect the system's performance. A faulty brake light switch, even if the brake lights appear to work, can interfere with cruise control functionality, and a blown fuse could render the entire system inoperable. By identifying and resolving these issues quickly, you not only enhance your driving experience but also ensure your safety on the road.

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