2007 Mercedes-Benz SLK280 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2007 Mercedes-Benz SLK280 and How to Fix Them

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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 SLK280 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 SLK280 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 SLK280?

When troubleshooting the non-functional cruise control in your 2007 Mercedes-Benz SLK280, it's essential to adopt a systematic diagnostic approach. Start by checking the fuses associated with the cruise control system, as a blown fuse can often be the simplest explanation for the malfunction. Next, inspect the brake pedal and throttle body; any issues with these components can directly impact the cruise control's operation. Make sure to consult your vehicle's manual to locate the fuse box in the engine bay, and perform a thorough inspection of the relevant fuse while the car is cold. By following these initial steps, you can effectively narrow down the potential causes of the cruise control failure and determine whether a simple fix is possible before considering more complex repairs.

What are the common problems that could cause the cruise control to stop working in a 2007 Mercedes-Benz SLK280?

When dealing with cruise control issues in a 2007 Mercedes-Benz SLK280, it's essential to understand the common problems that may arise. One frequent culprit is a defective component or sensor within the cruise control system, which can disrupt its functionality. Additionally, issues related to the vehicle's fuse or brake lights can also hinder the cruise control from engaging properly. If the brake lights are malfunctioning, for instance, the system may interpret this as a signal that the vehicle should not maintain speed. To effectively diagnose and address these issues, it's advisable to start by checking the relevant fuses and ensuring that all sensors are functioning correctly. By promptly addressing these common problems, you can restore the cruise control system to its optimal performance, enhancing your driving experience.

How urgent is it to address the non-functioning cruise control in a 2007 Mercedes-Benz SLK280?

Addressing the non-functioning cruise control in your 2007 Mercedes-Benz SLK280 should be a priority, even if it may not seem urgent at first glance. While the absence of this feature does not directly compromise the safety or drivability of your vehicle, it can significantly detract from your overall driving experience, especially during long trips. Ignoring the problem could lead to more complex issues down the line, as the underlying cause of the malfunction may worsen over time. For DIY enthusiasts, it’s essential to recognize that timely diagnosis and repair can save you from more extensive and costly repairs in the future. Therefore, while it may not be an immediate emergency, taking proactive steps to investigate and resolve the cruise control issue will enhance your vehicle's functionality and ensure a more enjoyable driving experience.

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