2011 Mercedes-Benz CL65 AMG Cruise Control Isn't Working

Fixing Cruise Control Issues in 2011 Mercedes-Benz CL65 AMG

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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 2011 Mercedes-Benz CL65 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 2011 Mercedes-Benz CL65 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.

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 are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2011 Mercedes-Benz CL65 AMG?

When faced with a non-functional cruise control in your 2011 Mercedes-Benz CL65 AMG, start your troubleshooting process with a systematic approach. Begin by checking the cruise control fuse; a blown or damaged fuse can often be the simplest fix. Next, inspect the cruise control switch located on the steering wheel to ensure it is operating correctly, as a malfunctioning switch can prevent the system from engaging. It's also crucial to verify that your brake lights are functioning properly, since a faulty brake light switch can inadvertently disable the cruise control. Additionally, examine the vehicle's speed sensors to confirm they are working and relaying accurate information to the cruise control system. Finally, utilize an onboard diagnostic scanner to check for any error codes that may indicate specific issues within the cruise control system. By following these steps, you can effectively narrow down the potential causes of the problem and take the necessary actions to restore functionality to your cruise control.

What are the common problems that could cause the cruise control to stop working in a 2011 Mercedes-Benz CL65 AMG?

When the cruise control in your 2011 Mercedes-Benz CL65 AMG ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty brake light switch, which can prevent the system from engaging if it fails to signal that the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a constant speed, leading to its malfunction. Another potential problem is a malfunctioning throttle actuator, which is crucial for controlling engine speed; if it fails, the cruise control may not operate correctly. Vacuum leaks can also be a significant factor, as they can interfere with the system's operation. Lastly, electrical problems, such as blown fuses or damaged wiring, can impact the cruise control system's functionality. By systematically checking these components, you can identify and resolve the issue, restoring your cruise control to working order.

How urgent is it to address the non-functioning cruise control in a 2011 Mercedes-Benz CL65 AMG?

Addressing a non-functioning cruise control in a 2011 Mercedes-Benz CL65 AMG is crucial for both safety and vehicle performance. While it may not seem like an immediate emergency, the implications of ignoring this issue can be significant. A malfunctioning cruise control system often indicates deeper problems within the vehicle's electronics or sensors, which could potentially affect other critical systems. This is particularly concerning during long drives, where cruise control is essential for maintaining speed and reducing driver fatigue. Neglecting to fix this feature not only compromises comfort but also poses safety risks, as it may lead to erratic speed control. For DIY enthusiasts, it’s advisable to diagnose the issue promptly, as timely repairs can prevent further complications and ensure the vehicle remains safe and efficient on the road. Therefore, while you may be tempted to delay repairs, addressing the cruise control malfunction sooner rather than later is a wise decision that can save you from more extensive and costly repairs down the line.

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2011 Mercedes-Benz CL65 AMG Cruise Control Troubleshooting