2007 Mercedes-Benz S65 AMG Cruise Control Isn't Working

Fixing Cruise Control Issues in 2007 Mercedes-Benz S65 AMG

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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 2007 Mercedes-Benz S65 AMG 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 S65 AMG 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 S65 AMG?

When faced with a non-functional cruise control in a 2007 Mercedes-Benz S65 AMG, it's crucial to adopt a systematic diagnostic approach. Start by checking the cruise control fuse in the fuse box, as a blown fuse can often be the simplest fix. Next, ensure that the cruise control settings are correctly configured on the dashboard or steering wheel controls, as incorrect settings can prevent the system from engaging. Utilizing a diagnostic scanner to check for error codes related to the cruise control system can provide valuable insights into any underlying issues. Additionally, inspect the cruise control switch on the steering wheel for any signs of damage or malfunction, as this component is vital for operation. Don't overlook the brake pedal switch; a stuck or faulty switch can inhibit cruise control engagement. Finally, verify the functionality of the vehicle speed sensor, as an inaccurate reading can disrupt the cruise control's ability to maintain speed. By following these steps, 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 2007 Mercedes-Benz S65 AMG?

When the cruise control on your 2007 Mercedes-Benz S65 AMG ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue. One frequent culprit is a defective component or sensor that is essential for the cruise control system's operation. Additionally, blown fuses or a malfunctioning brake pedal switch can disrupt the system, as these components are integral to its functionality. It's also important to check the brake light switch, as well as the wheel speed sensor and steering angle sensor, since any faults here can prevent the cruise control from engaging. If the throttle body or the PRNDL/shifter position switch is malfunctioning, this could also lead to cruise control issues. Lastly, if your check engine light is illuminated, it may indicate underlying engine problems that could affect the cruise control system. While some of these issues can be addressed through DIY troubleshooting, consulting a professional for a thorough inspection is advisable to ensure all components are functioning correctly and safely.

How urgent is it to address the non-functioning cruise control in a 2007 Mercedes-Benz S65 AMG?

When it comes to a non-functioning cruise control in a 2007 Mercedes-Benz S65 AMG, the urgency of addressing the problem cannot be overstated. While it may not seem like an immediate emergency, the implications of ignoring this issue can be significant. 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 problems that could affect other critical vehicle systems. This is particularly concerning for those who frequently embark on long trips, where the cruise control feature plays a vital role in reducing driver fatigue and enhancing fuel efficiency. Moreover, neglecting to resolve this issue could lead to safety risks, as the driver may find themselves struggling to maintain control of the vehicle at higher speeds. Therefore, it is advisable for DIY enthusiasts to prioritize diagnosing and repairing the cruise control system promptly, either through self-service or by consulting a qualified mechanic, to ensure the vehicle's overall performance and safety remain intact.

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