2013 Mercedes-Benz GLK350 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2013 Mercedes-Benz GLK350 and How to Fix Them

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Reviewed by
Aisha
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 GLK350 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 GLK350 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 cruise control issue in a 2013 Mercedes-Benz GLK350?

To effectively diagnose a cruise control issue in your 2013 Mercedes-Benz GLK350, start with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Begin by inspecting the brake pedal switch, as this component is crucial for the cruise control system's operation; a malfunction here is a common culprit for cruise control failures. Next, pay attention to any warning lights on your dashboard. If you notice a message indicating that the cruise control is inoperative, this could provide valuable insight into the underlying problem. If these initial checks do not resolve the issue, consider reviewing common repairs associated with your vehicle model, as this may highlight known problems that align with your symptoms. Should the issue persist or if you feel uncertain about your findings, it is advisable to consult a professional service and maintenance team. They can offer expert assistance and ensure that any necessary repairs are performed correctly, ultimately restoring your cruise control functionality.

What are the common problems that could cause the cruise control to stop working in a 2013 Mercedes-Benz GLK350?

When troubleshooting cruise control issues in a 2013 Mercedes-Benz GLK350, it's crucial to identify the common problems that may lead to its malfunction. A primary concern is the brake light switch; if this component is faulty, it can prevent the cruise control from engaging, as the system is designed to disengage when the brake pedal is pressed. Additionally, a malfunctioning speed sensor can disrupt the system's ability to maintain a constant speed, resulting in failure. Another potential issue is a blown fuse within the cruise control system, which would require replacement to restore functionality. Furthermore, problems with the throttle actuator, whether due to wear and tear or electrical issues, can hinder the cruise control's ability to regulate speed effectively. Lastly, a faulty cruise control module may also be responsible for the system's failure, necessitating repair or replacement. By understanding these common issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your vehicle, ensuring a smoother driving experience.

How urgent is it to address the malfunctioning cruise control in a 2013 Mercedes-Benz GLK350?

When dealing with a malfunctioning cruise control in a 2013 Mercedes-Benz GLK350, it is crucial to recognize the urgency of the situation. Ignoring symptoms such as erratic speed control can lead to serious safety hazards, including unexpected acceleration or deceleration that may result in accidents. Additionally, a malfunctioning cruise control system detracts from the driving comfort that this feature is designed to provide, making long journeys less enjoyable and more stressful. Beyond immediate safety concerns, neglecting the issue can compromise the overall performance and efficiency of your vehicle, potentially leading to more significant and costly repairs down the line. Therefore, it is highly advisable to have the cruise control system diagnosed by a qualified mechanic as soon as possible. Timely intervention not only ensures the safety of the driver and passengers but also helps maintain the vehicle's integrity and performance, preventing further complications that could arise from delayed repairs.

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