2011 Mercedes-Benz GLK350 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2011 Mercedes-Benz GLK350 and How to Fix Them

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 2011 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 2011 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 non-functioning cruise control in a 2011 Mercedes-Benz GLK350?

To effectively diagnose the non-functioning cruise control in your 2011 Mercedes-Benz GLK350, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by examining the cruise control fuse, as a blown fuse is a common and easily fixable issue that can halt the system's operation. Next, inspect the cruise control buttons on the steering wheel to ensure they are responsive and not stuck, as malfunctioning buttons can disrupt functionality. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying electronic issues. Following this, assess the speed sensors, which are vital for the cruise control system's operation; faulty sensors can prevent engagement. Additionally, verify the brake pedal switch, as a malfunction here can disable cruise control for safety reasons. Finally, conduct a thorough inspection of the wiring and connections associated with the cruise control system, looking for any signs of damage or corrosion that could impede performance. By following this structured diagnostic approach, you can efficiently identify and address the root cause of the cruise control malfunction.

What are the common problems that could cause the cruise control to stop working in a 2011 Mercedes-Benz GLK350?

When troubleshooting the cruise control system in a 2011 Mercedes-Benz GLK350, 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 prevent the cruise control from engaging if it fails to detect when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain speed, as it relies on accurate readings to function correctly. Another potential issue is vacuum leaks within the cruise control system, which can interfere with its operation. A defective cruise control module may also be responsible for the malfunction, as it is crucial for the system's overall functionality. Lastly, electrical problems, such as blown fuses or wiring issues, can significantly impact the cruise control's performance. By systematically checking these areas, DIYers can effectively diagnose and resolve the issues affecting their vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2011 Mercedes-Benz GLK350?

When it comes to the non-functioning cruise control in a 2011 Mercedes-Benz GLK350, understanding the urgency of the issue is crucial for any DIY enthusiast. While a malfunctioning cruise control system may not present an immediate safety hazard, it can significantly detract from the driving experience, especially during long trips where maintaining a constant speed is beneficial for both comfort and fuel efficiency. Ignoring this issue could lead to increased driver fatigue and frustration, particularly on highways where cruise control is frequently utilized. Moreover, a failure in the cruise control system might signal deeper electronic or sensor-related problems within the vehicle, which could potentially escalate into more serious issues if left unaddressed. Therefore, while it may not be the most critical repair, it is advisable to investigate and resolve the cruise control malfunction promptly to ensure the overall functionality of your vehicle and to enhance your driving comfort.

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.

2011 Mercedes-Benz GLK350 Cruise Control Issues & Repairs