2022 Mercedes-Benz AMG GT 43 Cruise Control Isn't Working

Cruise Control Malfunctions in 2022 Mercedes-Benz AMG GT 43 Explained

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Reviewed by
Aisha
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 2022 Mercedes-Benz AMG GT 43 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 2022 Mercedes-Benz AMG GT 43 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.

What steps should I take to diagnose the cruise control issue in my 2022 Mercedes-Benz AMG GT 43?

To diagnose the cruise control issue in your 2022 Mercedes-Benz AMG GT 43, begin with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Start by inspecting the cruise control fuse; a blown fuse is a common culprit that can easily be replaced. Next, examine the cruise control buttons on your steering wheel for any signs of sticking or malfunction, as these can directly affect functionality. If these initial checks do not reveal the problem, utilize an OBD-II scanner to identify any error codes that may indicate specific issues within the cruise control system. Following this, assess the speed sensors, which are vital for the cruise control's operation; faulty sensors can disrupt the system's performance. Additionally, inspect the wiring connections associated with the cruise control for any damage or corrosion, as poor connections can lead to malfunctions. Finally, if all else fails, test the cruise control module itself to ensure it is operating correctly. By following this structured diagnostic approach, you can effectively identify and address the root cause of the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2022 Mercedes-Benz AMG GT 43?

When the cruise control in a 2022 Mercedes-Benz AMG GT 43 ceases to function, several common problems may be at play. One of the primary culprits is a faulty speed sensor, which can disrupt the system's ability to maintain the desired speed. Additionally, a malfunctioning brake light switch can lead to unexpected disengagement of the cruise control, even when the brakes are not applied. Another potential issue is with the throttle actuator, which may hinder communication between the cruise control system and the engine, resulting in operational difficulties. Vacuum leaks within the engine can also compromise the system's performance, preventing it from maintaining a steady speed. Lastly, electrical problems, such as blown fuses or wiring issues, can significantly impact the cruise control's functionality. For those looking to diagnose these issues themselves, it is crucial to systematically check each of these components to identify the root cause of the malfunction.

How urgent is it to repair the non-functioning cruise control on a 2022 Mercedes-Benz AMG GT 43?

Repairing the non-functioning cruise control on a 2022 Mercedes-Benz AMG GT 43 is an urgent matter that should not be overlooked. The safety of both the driver and passengers can be compromised when cruise control fails, as it plays a crucial role in maintaining a consistent speed, particularly on long drives or highways. A malfunctioning system can lead to erratic speed changes, increasing the risk of accidents. Additionally, the convenience that cruise control offers is significant; without it, drivers may experience increased fatigue from having to constantly monitor and adjust their speed manually. This can detract from the overall driving experience, especially during extended trips. Furthermore, issues with the cruise control may signal deeper electronic system problems, which, if left unaddressed, could lead to more severe vehicle performance issues and costly repairs down the line. Therefore, it is essential to prioritize the repair of the cruise control system to ensure a safe, comfortable, and efficient driving experience.

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