2020 Mercedes-Benz GLE580 Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2020 Mercedes-Benz GLE580

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Reviewed by
Andrew Hajjar
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 2020 Mercedes-Benz GLE580 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 2020 Mercedes-Benz GLE580 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 cruise control issue in my 2020 Mercedes-Benz GLE580?

To effectively diagnose the cruise control issue in your 2020 Mercedes-Benz GLE580, it’s essential to adopt a methodical approach that begins with the simplest checks and progresses to more complex diagnostics. Start by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's functionality. Next, examine the cruise control buttons on the steering wheel to ensure they are working properly, since faulty buttons can lead to malfunctions. If these initial checks do not reveal the problem, utilize an OBD-II scanner to identify any error codes that may indicate specific issues within the cruise control system. Following this, assess the speed sensors, which are crucial for the proper operation of cruise control. Additionally, inspect the wiring connections for any signs of damage or looseness, as faulty wiring can significantly impact system performance. Finally, if all else checks out, test the cruise control module itself, as a malfunctioning module could be the root cause of your issues. By following this structured diagnostic approach, you can efficiently identify and address the underlying problem with your vehicle's cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2020 Mercedes-Benz GLE580?

When troubleshooting the cruise control system in a 2020 Mercedes-Benz GLE580, it's essential to understand the common problems that may lead to its malfunction. One prevalent issue is a faulty speed sensor, which can disrupt the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining the desired speed. Additionally, the brake light switch plays a crucial role; if it malfunctions, the cruise control may fail to activate or disengage properly when the brake pedal is pressed. Another potential culprit is the throttle actuator, which regulates the engine's throttle opening and is vital for maintaining speed. Electrical problems, such as blown fuses or wiring issues, can also hinder the cruise control's performance, as can software glitches within the vehicle's control module. By identifying and addressing these common issues, DIY enthusiasts can effectively diagnose and potentially resolve cruise control problems, restoring functionality to their vehicle.

How urgent is it to address the malfunctioning cruise control in a 2020 Mercedes-Benz GLE580?

When dealing with a malfunctioning cruise control in a 2020 Mercedes-Benz GLE580, it is crucial to recognize the urgency of the situation. Ignoring symptoms such as erratic behavior or complete failure can lead to serious safety risks, including loss of vehicle control, which could result in accidents. Additionally, a malfunctioning cruise control detracts from the overall driving experience, making long trips less enjoyable and more stressful. Promptly addressing the issue not only enhances your driving comfort but also helps maintain the vehicle's performance, preventing further complications that could arise from neglect. Therefore, it is advisable to assess the symptoms carefully and consult the manufacturer's guidelines or a certified mechanic to determine the best course of action, ensuring that safety and vehicle integrity are prioritized.

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2020 Mercedes-Benz GLE580 Cruise Control Fix Guide