2023 Mercedes-Benz AMG GT 63 Cruise Control Isn't Working

Fixing Cruise Control Malfunctions in the 2023 Mercedes-Benz AMG GT 63

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Reviewed by
Andrew Hajjar
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 2023 Mercedes-Benz AMG GT 63 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 2023 Mercedes-Benz AMG GT 63 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.

What steps should I take to diagnose the cruise control issue in my 2023 Mercedes-Benz AMG GT 63?

To effectively diagnose the cruise control issue in your 2023 Mercedes-Benz AMG GT 63, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by examining the cruise control fuse, as a blown fuse can often be the root cause of malfunction. Next, inspect the cruise control buttons on your steering wheel to ensure they are functioning correctly, as faulty buttons can disrupt the system's operation. Utilizing an OBD-II scanner to check for error codes is a crucial step, as these codes can pinpoint specific issues within the cruise control system. Additionally, verify that the speed sensors are operational, since they are integral to the cruise control's functionality. Don’t overlook the importance of inspecting the wiring and connections associated with the cruise control system; any damage or loose connections could lead to problems. If these initial checks do not resolve the issue, it may be time to consult a professional mechanic or an authorized Mercedes-Benz service center for a comprehensive diagnosis and repair. By following this structured approach, you can efficiently identify and address the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to malfunction in a 2023 Mercedes-Benz AMG GT 63?

When dealing with cruise control malfunctions in a 2023 Mercedes-Benz AMG GT 63, it's crucial to recognize the common problems that may arise. One significant issue is faulty speed sensors, which can disrupt the system's ability to maintain a steady speed, resulting in erratic behavior or complete failure to engage. Additionally, a malfunctioning brake light switch can prevent the cruise control from activating or cause it to disengage unexpectedly when the brakes are applied, posing a safety risk. Throttle control issues, such as a stuck throttle or problems with the throttle position sensor, can also hinder the cruise control's effectiveness in regulating speed. Furthermore, electrical problems, including blown fuses or wiring issues, can lead to malfunctions within the cruise control module. Lastly, software glitches in the vehicle's onboard computer system can create erratic behavior or prevent proper engagement of the cruise control. Addressing these issues promptly through regular maintenance and timely repairs is essential for ensuring the safe and reliable operation of the cruise control system.

How urgent is it to address the malfunctioning cruise control in a 2023 Mercedes-Benz AMG GT 63?

When it comes to a malfunctioning cruise control system in your 2023 Mercedes-Benz AMG GT 63, the urgency of addressing the issue cannot be overstated. A malfunction can lead to unexpected acceleration or deceleration, creating a significant safety hazard on the road. This unpredictability not only compromises your safety but also that of other drivers. Moreover, neglecting this problem can adversely affect your overall driving experience, making it inconvenient to utilize this feature as intended. Beyond immediate safety concerns, ignoring cruise control malfunctions can result in more extensive damage to your vehicle's systems, leading to costly repairs that could have been avoided with prompt attention. Additionally, maintaining the functionality of your cruise control is essential for preserving the resale value of your vehicle, as potential buyers will be wary of any unresolved issues. Therefore, it is crucial to have any cruise control problems diagnosed and repaired by a qualified technician as soon as possible to ensure your vehicle remains safe, reliable, and enjoyable to drive.

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