2013 Mercedes-Benz CL600 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2013 Mercedes-Benz CL600 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
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2013 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 2013 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 initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2013 Mercedes-Benz CL600?

When troubleshooting the non-functioning cruise control in a 2013 Mercedes-Benz CL600, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse, as a blown or damaged fuse is often the simplest issue to resolve. Next, inspect the cruise control switch to ensure it is operating correctly; a malfunctioning switch can prevent the system from engaging. Following this, verify the condition of the cruise control module, as any faults here could disrupt functionality. Additionally, examine the vehicle's speed sensors, which are critical for the cruise control system to function properly, as they provide necessary data about the vehicle's speed. Finally, scanning the vehicle's onboard computer system for error codes can reveal underlying issues that may not be immediately apparent. By methodically working through these steps, you can effectively diagnose and address the problems affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2013 Mercedes-Benz CL600?

When the cruise control in a 2013 Mercedes-Benz CL600 ceases to function, it can be frustrating, but understanding the common problems can guide you in troubleshooting the issue. 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 disengage unexpectedly. Another potential problem is a malfunctioning throttle actuator, which can disrupt the vehicle's ability to maintain a steady speed, directly impacting cruise control performance. Furthermore, a defective cruise control module can hinder communication between various system components, leading to operational failures. Lastly, electrical issues such as blown fuses or wiring problems can also contribute to cruise control malfunctions. By diagnosing these common issues, you can take the first steps toward restoring your cruise control system, whether through DIY repairs or by consulting a qualified mechanic.

How urgent is it to address the non-functioning cruise control in a 2013 Mercedes-Benz CL600?

Addressing a non-functioning cruise control in a 2013 Mercedes-Benz CL600 is not just a matter of convenience; it is a critical safety concern that should be prioritized. The cruise control system plays a vital role in maintaining a consistent speed, which is particularly beneficial during long drives on highways. A malfunctioning system can lead to erratic speed control, increasing the risk of accidents. Moreover, the underlying issues causing the cruise control failure may extend beyond just that feature, potentially affecting other electronic systems in the vehicle. Ignoring these symptoms could result in more severe complications and costly repairs down the line. Therefore, it is essential for DIY enthusiasts to recognize the urgency of this issue and take prompt action to diagnose and resolve the problem, ensuring both their safety and the vehicle's overall functionality.

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2013 Mercedes-Benz CL600 Cruise Control Issues & Repairs