2010 Mercedes-Benz CL65 AMG Cruise Control Isn't Working

Fixing Cruise Control Issues in 2010 Mercedes-Benz CL65 AMG

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Reviewed by
Bo Fader
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 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 2010 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 2010 Mercedes-Benz CL65 AMG?

When faced with a non-functional cruise control in your 2010 Mercedes-Benz CL65 AMG, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse in the fuse box; a blown fuse is often the simplest issue to resolve. Next, examine the cruise control switch located on the steering wheel to ensure it is operational and free from damage. The brake pedal switch is another critical component to inspect, as a malfunction here can prevent the cruise control from engaging. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying problems that may not be immediately visible. Lastly, verify the functionality of the vehicle speed sensor, as it is integral to the cruise control system's operation. By following these steps, you can effectively narrow down the potential causes of the issue and take appropriate action to restore your cruise control functionality.

What are the common problems that could cause the cruise control to stop working in a 2010 Mercedes-Benz CL65 AMG?

When dealing with cruise control issues in a 2010 Mercedes-Benz CL65 AMG, it's essential to understand the common problems that may arise. One frequent culprit is a faulty brake light switch, which can prevent the cruise control from engaging by failing to signal when the brake pedal is pressed. Additionally, a malfunctioning speed sensor can disrupt the system's ability to maintain a constant speed, leading to operational failures. Another potential issue is a faulty throttle actuator, which can hinder the cruise control's functionality. Problems within the cruise control module itself may also cause the system to fail to engage or maintain speed. Lastly, electrical issues such as wiring problems or blown fuses can significantly impact the cruise control system's performance. By identifying and addressing these common issues, DIYers can effectively troubleshoot and restore the cruise control functionality in their vehicle.

How urgent is it to address the non-functioning cruise control in a 2010 Mercedes-Benz CL65 AMG?

When it comes to a non-functioning cruise control in a 2010 Mercedes-Benz CL65 AMG, the urgency of addressing the issue cannot be overstated. While it may seem like a minor inconvenience, a malfunctioning cruise control system can indicate deeper problems within the vehicle's electronic systems or sensors, which could potentially affect other critical functions. For DIY enthusiasts, it’s essential to recognize that neglecting this issue may not only compromise the convenience of maintaining a steady speed during long drives but could also pose significant safety risks. A malfunctioning cruise control can lead to unexpected acceleration or deceleration, increasing the likelihood of accidents, especially on highways where this feature is most commonly utilized. Therefore, it is advisable to diagnose and repair the cruise control system promptly, either through self-troubleshooting or by consulting a qualified mechanic, to ensure the vehicle remains safe and reliable on the road. Addressing this issue early can prevent further complications and maintain the overall performance of your luxury vehicle.

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