2001 Mercedes-Benz CL600 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2001 Mercedes-Benz CL600 and How to Fix Them

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Reviewed by
Aisha
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 2001 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 2001 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.

What are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2001 Mercedes-Benz CL600?

When troubleshooting the non-functional cruise control in a 2001 Mercedes-Benz CL600, it's essential to adopt a systematic diagnostic approach. Start by checking the fuse box for any blown fuses related to the cruise control system, as this is a straightforward fix that can often resolve the issue. Next, inspect the cruise control switch located on the steering wheel to ensure it is operational; a malfunctioning switch can easily disrupt the system. It's also crucial to verify that the brake lights are functioning correctly, since a faulty brake light switch can prevent the cruise control from engaging. Additionally, examine the throttle cable and linkage for any obstructions or issues that might hinder their operation. Finally, consider scanning the vehicle's onboard computer for any error codes that could provide insight into the problem. By following these steps in order, you can effectively diagnose and potentially resolve the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2001 Mercedes-Benz CL600?

When troubleshooting the cruise control system in a 2001 Mercedes-Benz CL600, it's essential to understand the common problems that may lead to its failure. One of the primary culprits is a faulty brake light switch, which can prevent the system from engaging if it fails to detect when the brake pedal is pressed. Additionally, a defective cruise control module can disrupt the entire system's functionality, rendering it inoperable. Another issue to consider is vacuum leaks within the cruise control system, as these can hinder its ability to maintain speed effectively. Furthermore, a malfunctioning speed sensor can impact the system's performance, making it difficult to sustain a constant speed. Lastly, electrical issues, such as blown fuses or wiring problems, can also contribute to the cruise control's failure. By identifying and addressing these potential issues, DIY enthusiasts 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 2001 Mercedes-Benz CL600?

When considering the urgency of fixing a non-functioning cruise control in a 2001 Mercedes-Benz CL600, it's essential to recognize that while this issue may not pose an immediate safety risk like brake or steering failures, it still warrants prompt attention. A malfunctioning cruise control can indicate deeper problems within the vehicle's electronic systems or engine components, which, if left unaddressed, could lead to more significant and costly repairs down the line. Additionally, the absence of cruise control can detract from the driving experience, particularly on long journeys where maintaining a steady speed is crucial for comfort and fuel efficiency. Ignoring this issue may also result in increased fuel consumption, as drivers may struggle to maintain optimal speeds manually. Therefore, while it may not be an emergency, diagnosing and repairing the cruise control system should be a priority for any DIY enthusiast looking to ensure their vehicle operates smoothly and efficiently. Taking the time to investigate and resolve this issue can prevent further complications and enhance the overall driving experience.

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Fix 2001 Mercedes-Benz CL600 Cruise Control Issues