2010 Mercedes-Benz ML63 AMG Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2010 Mercedes-Benz ML63 AMG and How to Fix Them

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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 2010 Mercedes-Benz ML63 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 2010 Mercedes-Benz ML63 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.

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 are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2010 Mercedes-Benz ML63 AMG?

When troubleshooting the non-functioning cruise control in a 2010 Mercedes-Benz ML63 AMG, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse in the fuse box, as a blown fuse can often be the simplest explanation for the malfunction. Next, ensure that the cruise control settings are correctly configured and activated, as incorrect settings can prevent the system from engaging. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues within the vehicle's onboard computer. Additionally, inspect the cruise control switch on the steering wheel for any signs of damage or malfunction, as this component is crucial for operation. Don't overlook the brake pedal switch, as a stuck or faulty switch can inhibit cruise control engagement. Finally, verify the functionality of the vehicle speed sensor, since a malfunctioning sensor can disrupt the cruise control system's performance. By following these steps, you can effectively diagnose and potentially resolve the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2010 Mercedes-Benz ML63 AMG?

When the cruise control in a 2010 Mercedes-Benz ML63 AMG ceases to function, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is a faulty brake light switch, which may fail to signal that the brakes are not engaged, thus preventing the cruise control from activating. Additionally, a malfunctioning speed sensor can disrupt the system's ability to maintain a steady speed, leading to operational failure. Another potential issue is with the throttle actuator; if it is not functioning correctly, it can hinder the cruise control's performance. Electrical problems, such as blown fuses or wiring issues, can also play a significant role in cruise control malfunctions. Lastly, vacuum leaks can disrupt the necessary pressure for the system to operate effectively. By identifying these common issues, DIYers can take the first steps toward diagnosing and potentially fixing the cruise control system in their vehicle.

How urgent is it to address the non-functioning cruise control in a 2010 Mercedes-Benz ML63 AMG?

When it comes to a non-functioning cruise control in a 2010 Mercedes-Benz ML63 AMG, the urgency to address the issue cannot be overstated. Cruise control is not just a luxury; it plays a crucial role in maintaining a steady speed, which is particularly beneficial during long drives. A malfunctioning system may signal deeper electronic or sensor-related problems that could compromise the vehicle's overall performance. Ignoring this issue could lead to more severe complications, potentially escalating repair costs and affecting other critical systems in the car. Moreover, the absence of cruise control can pose safety risks, especially on extended trips where maintaining speed is essential for driver comfort and road safety. Therefore, it is advisable to diagnose and repair any cruise control issues promptly to ensure both the safety and efficiency of your vehicle.

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