2013 Mercedes-Benz SLK250 Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2013 Mercedes-Benz SLK250

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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 2013 Mercedes-Benz SLK250 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 2013 Mercedes-Benz SLK250 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 steps to diagnose the non-functioning cruise control in a 2013 Mercedes-Benz SLK250?

To effectively diagnose the non-functioning cruise control in your 2013 Mercedes-Benz SLK250, begin with the simplest checks to avoid unnecessary complications. Start by inspecting the cruise control fuse located in the fuse box; a blown fuse is a common and easily fixable issue. Next, examine the cruise control buttons on the steering wheel to ensure they are not stuck or damaged, as this can prevent the system from engaging. If these initial checks do not resolve the problem, use a diagnostic scanner to identify any error codes that may indicate deeper issues within the cruise control system. Following this, inspect the speed sensors, as they are essential for the cruise control's operation. Additionally, verify that the brake and clutch switches are functioning properly, since faulty switches can inhibit cruise control engagement. If all these components check out, proceed to test the cruise control module to ensure it is sending the correct signals. Finally, inspect the wiring and connections for any signs of damage or corrosion. If the cruise control still does not function after these steps, it may be time to consult a professional mechanic for further assistance. By following this structured approach, you can efficiently 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 2013 Mercedes-Benz SLK250?

When troubleshooting cruise control issues in a 2013 Mercedes-Benz SLK250, it's essential to consider several common problems that may be affecting the system's functionality. One of the first components to check is the brake light switch, as a malfunction here can prevent the cruise control from engaging properly. If the switch fails to detect when the brake pedal is pressed, the system will not activate. Additionally, the speed sensor plays a crucial role in the operation of cruise control; if it is malfunctioning, the system may not receive accurate speed readings, leading to failure. Another critical component is the throttle actuator, which is responsible for maintaining the desired speed; if it is not functioning correctly, the cruise control will struggle to operate effectively. Furthermore, a defective cruise control module can also be a significant factor, as it may fail to respond to user commands. Lastly, electrical issues such as blown fuses or wiring problems can disrupt the entire system. By systematically checking these components, DIYers can identify and potentially resolve the issue before resorting to professional assistance.

How urgent is it to address the non-functioning cruise control in a 2013 Mercedes-Benz SLK250?

Addressing the non-functioning cruise control in a 2013 Mercedes-Benz SLK250 is important for both safety and convenience. While it may not seem like an immediate emergency, neglecting this issue can lead to more significant problems down the line. A malfunctioning cruise control system often indicates underlying issues with the vehicle's electronics or sensors, which could potentially affect other critical systems. This not only compromises the functionality of the cruise control but may also pose safety risks during long drives, where maintaining a steady speed is crucial. For DIY enthusiasts, it’s advisable to conduct a preliminary inspection of the cruise control system, checking for blown fuses, faulty switches, or disconnected wiring. However, if the problem persists, seeking assistance from a qualified mechanic is essential to accurately diagnose and repair the issue, ensuring the vehicle remains safe and efficient on the road. Prompt attention to this matter will enhance your driving experience and prevent further complications.

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