2021 Mercedes-Benz GLE580 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2021 Mercedes-Benz GLE580

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Reviewed by
Bo Fader
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 2021 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 2021 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 2021 Mercedes-Benz GLE580?

To effectively diagnose the cruise control issue in your 2021 Mercedes-Benz GLE580, 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 can easily disrupt functionality. Next, inspect the cruise control buttons on your steering wheel to ensure they are responsive and not stuck, as this can also lead to operational failures. Utilizing an OBD-II scanner is a crucial step; it allows you to identify any error codes that may indicate specific problems within the cruise control system. Following this, check the speed sensors, which are vital for the system's performance, ensuring they are functioning correctly. Additionally, inspect the wiring connections associated with the cruise control system for any signs of damage or loose connections, as these can significantly impact performance. Finally, test the cruise control module itself to confirm it is operating as intended. If these steps do not resolve the issue, it may be necessary to consult a professional mechanic or an authorized Mercedes-Benz service center for a comprehensive diagnosis and repair. By following this structured approach, you can efficiently identify and address the cruise control problem in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2021 Mercedes-Benz GLE580?

When troubleshooting the cruise control system in a 2021 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, problems with the brake light switch can inadvertently cause the cruise control to disengage when the brake pedal is pressed, even if the driver does not intend to deactivate it. Another potential culprit is a malfunctioning throttle actuator, which can hinder communication between the cruise control system and the engine, making it difficult to maintain a set speed. Furthermore, a defective cruise control module may fail to process the necessary signals for proper operation, while various electrical issues, such as blown fuses or wiring problems, can also impede the system's functionality. Identifying these common problems can help DIY enthusiasts diagnose and address the cruise control issues effectively, although some cases may still require professional assistance for resolution.

How urgent is it to address the malfunctioning cruise control in my 2021 Mercedes-Benz GLE580?

When it comes to your 2021 Mercedes-Benz GLE580, the urgency of addressing a malfunctioning cruise control system cannot be overstated. A malfunction in this system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses significant safety risks not only to you but also to other road users. Moreover, neglecting this issue can adversely affect your vehicle's overall performance and fuel efficiency, leading to increased consumption and potential strain on other components. By addressing the cruise control malfunction promptly, you not only enhance your driving safety but also prevent the likelihood of more severe and costly repairs down the line. Therefore, it is crucial to take immediate action to ensure that your vehicle operates smoothly and safely on the road.

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2021 Mercedes-Benz GLE580 Cruise Control Issues & Repairs