2013 Mercedes-Benz GL450 Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2013 Mercedes-Benz GL450

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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 GL450 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 GL450 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 initial diagnostic steps to troubleshoot the non-functional cruise control in a 2013 Mercedes-Benz GL450?

When faced with a non-functional cruise control in a 2013 Mercedes-Benz GL450, start your troubleshooting by checking the cruise control fuse, as a blown fuse can often be the simplest explanation for the issue. Next, inspect the cruise control switch on the steering wheel for any signs of damage or wear, ensuring it is operational. If these initial checks do not resolve the problem, utilize a diagnostic scanner to look for any error codes that may indicate deeper issues within the system. Additionally, verify the functionality of the speed sensors, as they play a crucial role in providing accurate data to the cruise control system. It’s also important to examine the brake and clutch switches, as malfunctioning switches can prevent the cruise control from engaging. Finally, inspect the wiring and connections associated with the cruise control system for any signs of damage or corrosion. By following this structured diagnostic approach, you can effectively identify and address the root cause of the cruise control malfunction in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2013 Mercedes-Benz GL450?

When troubleshooting the cruise control system in a 2013 Mercedes-Benz GL450, it's crucial to recognize the common problems that may lead to its failure. A faulty brake light switch is often a primary issue, as it can prevent the system from engaging if it fails to detect when the brake pedal is pressed. Additionally, problems with the speed sensor can disrupt the cruise control's ability to maintain the desired speed, since it relies on accurate readings to function correctly. Vacuum leaks within the cruise control system can also interfere with its operation, leading to malfunctions. Furthermore, a defective cruise control module may be responsible for the issue, as it plays a critical role in the system's functionality. Lastly, electrical problems, such as blown fuses or wiring issues, can significantly impact the cruise control's performance. By identifying and addressing these common problems, you can effectively troubleshoot and restore the cruise control system in your vehicle, ensuring a smoother driving experience.

How urgent is it to address the non-functioning cruise control in a 2013 Mercedes-Benz GL450?

Addressing the non-functioning cruise control in a 2013 Mercedes-Benz GL450 is crucial for both safety and vehicle performance. When cruise control fails, it can signal deeper issues within the vehicle's electronic systems or engine control unit, which may escalate if left unattended. This malfunction not only diminishes the convenience of maintaining a steady speed, particularly on long drives, but it can also lead to increased driver fatigue and reduced fuel efficiency. Moreover, neglecting this issue could result in more severe problems that require costly repairs, making it essential to diagnose and resolve the underlying cause promptly. For DIY enthusiasts, understanding the urgency of this repair can guide you in troubleshooting the system, checking for common issues such as blown fuses or faulty sensors, and ultimately ensuring a safer and more enjoyable driving experience.

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2013 Mercedes-Benz GL450 Cruise Control Issues | RepairPal