2013 Mercedes-Benz GL350 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2013 Mercedes-Benz GL350 and How to Fix Them

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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 GL350 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 GL350 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 steps should I take to diagnose the non-functioning cruise control in my 2013 Mercedes-Benz GL350?

To effectively diagnose the non-functioning cruise control in your 2013 Mercedes-Benz GL350, start with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Begin by inspecting the cruise control fuse 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 speed sensors, as their malfunction can directly impact the cruise control system's functionality. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, assess the brake and clutch switches, as these components must function correctly for the cruise control to activate. Finally, inspect the wiring and connections for any signs of damage or corrosion, which can disrupt the system. If these steps do not resolve the issue, it may be necessary to consult a professional mechanic for a comprehensive evaluation. By following this structured diagnostic approach, you can efficiently identify and address the problem with your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2013 Mercedes-Benz GL350?

When troubleshooting cruise control issues in a 2013 Mercedes-Benz GL350, it's important to recognize the common problems that could be causing the malfunction. A faulty brake light switch is often a primary suspect, as it may fail to signal that the brake pedal is not engaged, preventing the cruise control from activating. Additionally, a malfunctioning speed sensor can disrupt the system's ability to maintain a consistent speed, leading to operational failures. Another issue to consider is a blown fuse within the cruise control system, which would need to be replaced to restore functionality. Problems with the throttle actuator, whether due to wear and tear or electrical malfunctions, can also impede the cruise control's ability to regulate speed effectively. Lastly, a defective cruise control module may be at fault, requiring either repair or replacement. By systematically addressing these potential issues, you can effectively troubleshoot and resolve cruise control problems in your GL350, ensuring a smoother driving experience.

How urgent is it to address the malfunctioning cruise control in a 2013 Mercedes-Benz GL350?

Addressing a malfunctioning cruise control system in a 2013 Mercedes-Benz GL350 is of utmost importance due to the immediate safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, which can create hazardous driving conditions and increase the likelihood of accidents. Furthermore, neglecting this issue can result in more severe damage to the vehicle's components, leading to costly repairs down the line. The convenience and enjoyment of driving are also compromised when the cruise control system is not functioning properly. Therefore, it is crucial to prioritize the repair of the cruise control system to ensure not only the safety of the driver and passengers but also the overall performance and reliability of the vehicle. Taking prompt action can prevent minor issues from escalating into major problems, making it a wise decision for any DIY enthusiast looking to maintain their vehicle's integrity.

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