2019 Mercedes-Benz GLE43 AMG Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2019 Mercedes-Benz GLE43 AMG

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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 2019 Mercedes-Benz GLE43 AMG 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 2019 Mercedes-Benz GLE43 AMG 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 cruise control issue in a 2019 Mercedes-Benz GLE43 AMG?

When diagnosing a cruise control issue in a 2019 Mercedes-Benz GLE43 AMG, it's crucial to follow a methodical approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by examining the cruise control fuse, as a blown fuse can easily disrupt the system's operation. Next, inspect the cruise control buttons on the steering wheel to ensure they are functioning correctly, since faulty buttons can hinder engagement. Utilizing a diagnostic scanner to check for error codes can reveal any underlying issues within the vehicle's onboard computer, providing a clearer picture of the problem. Additionally, verify the functionality of the speed sensors, which are essential for the cruise control system to work properly. Testing the brake pedal switch is also vital, as a malfunction here can prevent the cruise control from activating. Lastly, conduct a thorough inspection of the wiring and connections related to the cruise control system, looking for any signs of damage or corrosion that could be contributing to the malfunction. By systematically addressing these areas, you can effectively diagnose and resolve the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2019 Mercedes-Benz GLE43 AMG?

When the cruise control in your 2019 Mercedes-Benz GLE43 AMG ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue. One frequent culprit is a faulty speed sensor, which is essential for the cruise control system to accurately gauge the vehicle's speed. If this sensor malfunctions, the system may fail to engage or maintain the desired speed. Another potential issue lies with the brake light switch; if this switch is defective, it can send incorrect signals to the cruise control system, disrupting its operation. Additionally, a malfunctioning throttle actuator can hinder the system's ability to control the engine's throttle, further complicating speed maintenance. Electrical problems, such as blown fuses or wiring issues, can also interfere with the cruise control's functionality, making it crucial to check the vehicle's electrical system. Lastly, software glitches within the vehicle's control module can lead to unexpected cruise control behavior. By systematically examining these areas, you can effectively troubleshoot and potentially resolve the cruise control issues in your GLE43 AMG.

How urgent is it to address the malfunctioning cruise control in a 2019 Mercedes-Benz GLE43 AMG?

Addressing a malfunctioning cruise control in a 2019 Mercedes-Benz GLE43 AMG is crucial for both safety and vehicle performance. When cruise control fails, it can hinder the driver’s ability to maintain a steady speed, increasing the risk of accidents on the road. Moreover, such issues may signal deeper electronic or sensor problems that could affect other critical systems in the vehicle. Ignoring these symptoms not only compromises safety but can also lead to decreased fuel efficiency and a less enjoyable driving experience, as the cruise control system is designed to enhance comfort during long trips. Additionally, delaying repairs can result in more extensive damage, ultimately leading to higher repair costs. Therefore, it is advisable for DIY enthusiasts to prioritize diagnosing and addressing cruise control malfunctions promptly, ensuring the vehicle operates smoothly and safely.

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