2007 Mercedes-Benz SL600 Cruise Control Isn't Working

Fixing Cruise Control Issues in 2007 Mercedes-Benz SL600

Find Repair Location
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 2007 Mercedes-Benz SL600 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 SL600 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 SL600?

When troubleshooting the non-functional cruise control in a 2007 Mercedes-Benz SL600, it's essential 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 explanation for the malfunction. Next, verify the functionality of the cruise control switch located on the steering wheel; a faulty switch can prevent the system from engaging. Following this, inspect the vehicle's speed sensors, as they play a crucial role in maintaining the set speed; any faults here can disrupt the cruise control operation. Utilizing a diagnostic scanner to check for error codes can provide further insights into potential issues. Additionally, ensure that the brake and clutch switches are functioning correctly, as these are designed to disable the cruise control for safety reasons when engaged. Finally, examine the wiring and connections associated with the cruise control system for any signs of damage or corrosion, as faulty wiring can lead to a complete failure of the system. By methodically following these steps, you can effectively diagnose and potentially resolve the cruise control issue in your SL600.

What are the common problems that could cause the cruise control to stop working in a 2007 Mercedes-Benz SL600?

When troubleshooting cruise control issues in a 2007 Mercedes-Benz SL600, it's essential to understand the common problems that may be at play. One frequent culprit is a defective component or sensor that is crucial for the cruise control system's operation. Additionally, blown fuses or a malfunctioning brake pedal switch can disrupt the system, as these elements are integral to its functionality. Problems with the throttle body or the brake pedal position sensor can also lead to cruise control failure, as they affect the vehicle's ability to maintain speed. Furthermore, malfunctions in the PRNDL or shifter position switch, along with faulty brake lights or switches, can contribute to the issue. Lastly, issues with the wheel speed sensor, magnetic ring, steering angle sensor, or yaw switch may also be responsible for the cruise control not engaging properly. If you encounter these problems, it is advisable to consult a professional service team for a thorough diagnosis and effective repair.

How urgent is it to address the non-functioning cruise control in a 2007 Mercedes-Benz SL600?

When it comes to a non-functioning cruise control in a 2007 Mercedes-Benz SL600, the urgency of addressing the issue cannot be overstated. While it may seem like a minor inconvenience, a malfunctioning cruise control system can indicate deeper problems within the vehicle's electronics or engine control systems. Ignoring this issue could lead to more significant complications, potentially affecting other critical systems and compromising the overall safety and performance of your vehicle. Moreover, a properly functioning cruise control system not only enhances driving comfort by maintaining a constant speed but also contributes to better fuel efficiency, making it an essential feature for long drives. Therefore, it is advisable to prioritize the inspection and repair of the cruise control system, ideally by a qualified mechanic or dealership, to ensure that any underlying issues are diagnosed and resolved promptly, safeguarding both your vehicle's functionality and your safety on the road.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

Fix 2007 Mercedes-Benz SL600 Cruise Control Issues