2011 Mercedes-Benz S600 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2011 Mercedes-Benz S600

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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
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2011 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 2011 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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2011 Mercedes-Benz S600?

When troubleshooting the non-functioning cruise control in a 2011 Mercedes-Benz S600, start with the simplest solutions before moving on to more complex diagnostics. Begin by checking the cruise control fuse in the fuse box to ensure it is intact; a blown fuse is often the easiest fix. Next, verify that the cruise control settings are correctly configured according to the vehicle's manual, as incorrect settings can prevent activation. If these initial checks do not resolve the issue, use a diagnostic scanner to look for any error codes that may indicate underlying problems. Additionally, inspect the cruise control buttons on the steering wheel for any signs of damage or malfunction, as stuck buttons can hinder functionality. It’s also crucial to test the brake pedal switch, since the cruise control system disengages when the brake is pressed; a faulty switch can disrupt this function. Finally, examine the vehicle speed sensor, as it plays a vital role in maintaining speed. By following this structured approach, you can effectively diagnose and potentially resolve the cruise control issue in your Mercedes-Benz S600.

What are the common problems that could cause the cruise control to stop working in a 2011 Mercedes-Benz S600?

When dealing with cruise control issues in a 2011 Mercedes-Benz S600, it's essential to understand the common problems that may be at play. 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, speed sensor malfunctions can disrupt the system's ability to maintain a steady speed, leading to erratic behavior. Another area to investigate is the throttle actuator; if this component is not functioning correctly, it can hinder the cruise control's operation. Vacuum leaks in the engine can also impact the cruise control system, as they disrupt the necessary vacuum supply for proper functionality. Lastly, a defective cruise control module may be the root cause of the problem, requiring careful inspection and potential replacement. By systematically diagnosing these components, 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 2011 Mercedes-Benz S600?

Addressing the non-functioning cruise control in a 2011 Mercedes-Benz S600 is more urgent than it may initially seem. While it might not appear as critical as other mechanical failures, the cruise control system plays a vital role in enhancing driving comfort and safety, especially during long journeys. A malfunctioning cruise control could signal deeper electronic issues that might affect other essential systems in the vehicle, potentially leading to more significant problems down the line. Moreover, ignoring this issue can increase the risk of driver fatigue, as maintaining a constant speed becomes more challenging without the assistance of cruise control. This is particularly concerning on highways where consistent speed is crucial for safe driving. By addressing the cruise control malfunction promptly, you not only enhance your driving experience but also mitigate the risk of further damage to your vehicle, ultimately saving on costly repairs. Therefore, for DIY enthusiasts, taking the time to diagnose and fix this issue can be a worthwhile investment in both safety and vehicle performance.

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2011 Mercedes-Benz S600 Cruise Control Issues & Repairs