2013 Mercedes-Benz SLK350 Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2013 Mercedes-Benz SLK350

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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 SLK350 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 SLK350 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 SLK350?

To effectively diagnose the non-functioning cruise control in your 2013 Mercedes-Benz SLK350, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue. Next, examine the cruise control buttons on the steering wheel to ensure they are operational, as faulty buttons can hinder engagement. Following this, verify the functionality of the speed sensor, since a malfunction here can directly impact cruise control performance. It's also essential to check the brake pedal switch, as a defective switch can prevent the system from activating. If these initial checks do not resolve the issue, utilize a diagnostic scanner to identify any error codes that may indicate specific problems within the cruise control system. Finally, inspect the wiring and connections associated with the cruise control for any signs of damage or corrosion, as these can disrupt functionality. By following this structured diagnostic approach, you can efficiently identify and address the underlying issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2013 Mercedes-Benz SLK350?

When troubleshooting cruise control issues in a 2013 Mercedes-Benz SLK350, it's essential to consider several common problems that could be at play. One of the primary culprits is a faulty brake light switch, which can disrupt the system's ability to engage, as it may not accurately detect when the brake pedal is pressed. Additionally, issues with the speed sensor can lead to cruise control failure, since the system relies on precise speed readings to function correctly. A blown fuse within the cruise control circuit can also halt its operation entirely, making it a straightforward fix to check. Furthermore, a malfunctioning throttle actuator can prevent the cruise control from maintaining a steady speed, while a defective cruise control module may result in the system not responding to user commands. By systematically examining these potential issues, DIY enthusiasts can effectively diagnose and resolve cruise control problems in their SLK350, restoring functionality and enhancing their driving experience.

How urgent is it to address the non-functioning cruise control in a 2013 Mercedes-Benz SLK350?

When it comes to the non-functioning cruise control in a 2013 Mercedes-Benz SLK350, understanding the urgency of the situation is crucial for any DIY enthusiast. While the absence of cruise control may not pose an immediate safety risk, it can significantly detract from the overall driving experience, especially during long trips where maintaining a consistent speed is beneficial. Ignoring this issue could lead to increased frustration during extended drives, as the convenience of cruise control is lost. Moreover, neglecting the problem may allow underlying issues to escalate, potentially affecting the vehicle's electronic systems and leading to more costly repairs down the line. Therefore, while it may not be an emergency, addressing the non-functioning cruise control promptly is advisable to ensure a smoother driving experience and to prevent future complications. Taking action now can save time and resources later, making it a wise choice for any conscientious driver.

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2013 Mercedes-Benz SLK350 Cruise Control Issues & Repairs