2011 Mercedes-Benz CL600 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2011 Mercedes-Benz CL600

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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 2011 Mercedes-Benz CL600 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 CL600 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 steps to diagnose the non-functioning cruise control in a 2011 Mercedes-Benz CL600?

When diagnosing the non-functioning cruise control in a 2011 Mercedes-Benz CL600, it's crucial to follow a methodical approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by examining the cruise control fuse, as a blown fuse is a common issue that can easily disrupt the system's operation. Next, inspect the cruise control buttons on the steering wheel to ensure they are functioning properly, since faulty buttons can prevent the system from engaging. Utilizing a diagnostic scanner to check for error codes can provide insights into any electronic issues within the vehicle's onboard computer. Additionally, verify the functionality of the speed sensors, which are essential for the cruise control system to operate effectively. It's also important to check the brake and clutch switches, as any malfunction here can inhibit the cruise control from activating. If these components are in good condition, proceed to test the cruise control module itself, as a defective module can lead to system failure. Lastly, inspect the wiring and connections related to the cruise control system for any signs of damage or loose connections, as these can significantly disrupt functionality. By systematically following these steps, you can effectively diagnose and resolve the issues affecting the cruise control in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2011 Mercedes-Benz CL600?

When the cruise control in a 2011 Mercedes-Benz CL600 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 may fail to signal that the brakes are not engaged, thus preventing the cruise control from activating. Additionally, issues with the speed sensor can lead to incorrect speed readings, causing the system to malfunction or disengage unexpectedly. Another potential problem is vacuum leaks within the cruise control system, which can disrupt its ability to maintain a steady speed. Furthermore, a defective cruise control module may result in the system not responding to your commands or failing to hold the set speed. Lastly, electrical problems, such as blown fuses or wiring issues, can also impede the cruise control's operation. By identifying these common issues, you can take the first steps toward troubleshooting and potentially fixing the cruise control system in your vehicle.

How urgent is it to address the non-functioning cruise control in a 2011 Mercedes-Benz CL600?

Addressing the non-functioning cruise control in a 2011 Mercedes-Benz CL600 is of utmost urgency due to the significant safety risks it poses. A malfunctioning cruise control system can lead to erratic speed changes, increasing the likelihood of accidents and creating unsafe driving conditions. Moreover, the absence of this feature diminishes driving comfort, particularly on long journeys, as it requires constant manual speed adjustments, which can lead to driver fatigue. Additionally, the underlying issues causing the cruise control failure may also affect other vehicle components, potentially leading to more extensive and costly repairs if left unaddressed. Therefore, it is crucial to prioritize the inspection and repair of the cruise control system to ensure not only the safety and comfort of the driver but also the overall performance and longevity of the vehicle.

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2011 Mercedes-Benz CL600 Cruise Control Issues & Repairs