2007 Mercedes-Benz S600 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2007 Mercedes-Benz S600 and How to Fix Them

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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 2007 Mercedes-Benz S600 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 2007 Mercedes-Benz S600 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 2007 Mercedes-Benz S600?

When faced with a non-functional cruise control in your 2007 Mercedes-Benz S600, it's important to approach the diagnosis methodically. Start by checking the cruise control fuse, as a blown or damaged fuse can easily disrupt the system's operation. Next, inspect the cruise control switch located on the steering wheel to ensure it is functioning correctly; a malfunctioning switch can prevent engagement. Additionally, verify the brake pedal switch, since a faulty switch may inadvertently signal that the brakes are applied, disabling the cruise control. It's also crucial to examine the vehicle's speed sensors, as they provide the necessary data for the cruise control to function properly. Finally, scanning the onboard computer system for any error codes can reveal underlying issues that may not be immediately apparent. By following these steps, you can effectively diagnose and address the problems affecting your cruise control system, empowering you to take control of your vehicle's functionality.

What are the common problems that could cause the cruise control to stop working in a 2007 Mercedes-Benz S600?

When dealing with a malfunctioning cruise control system in a 2007 Mercedes-Benz S600, it's essential to understand the various common problems that could be at play. One frequent issue is a defective component or sensor that is crucial for the cruise control's operation. This could include anything from a faulty throttle position sensor to a malfunctioning brake switch, both of which can disrupt the system's functionality. Additionally, the stand-alone control unit, particularly in earlier models, may experience malfunctions that prevent the cruise control from engaging. Electrical issues, such as damaged wiring or poor connections, can also contribute to the problem, leading to intermittent or complete failure of the system. Lastly, mechanical failures, including a defective cruise control switch or actuator, can hinder the system's ability to maintain speed. By systematically checking these components, DIYers can effectively diagnose and potentially resolve the cruise control issues in their vehicle.

How urgent is it to address the non-functioning cruise control in a 2007 Mercedes-Benz S600?

Addressing the non-functioning cruise control in a 2007 Mercedes-Benz S600 is crucial for both safety and vehicle performance. A malfunctioning cruise control system not only diminishes the convenience of maintaining a steady speed during long drives but may also signal deeper electronic or sensor-related issues that could impact other critical systems in the vehicle. Ignoring this problem can lead to increased driver fatigue, as the driver must constantly monitor and adjust speed manually, particularly on highways where cruise control is most beneficial. Furthermore, a faulty cruise control could be indicative of larger mechanical problems that, if left unresolved, may escalate and result in more significant damage or costly repairs down the line. Therefore, it is essential to prioritize the repair of the cruise control system to ensure a safe and comfortable driving experience, as well as to maintain the overall integrity of the vehicle.

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