Mercedes-Benz GLE43 AMG Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Mercedes-Benz GLE43 AMG and How to Fix Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 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 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.

Troubleshooting Cruise Control Issues in a Mercedes-Benz GLE43 AMG

When troubleshooting cruise control issues in your Mercedes-Benz GLE43 AMG, start by examining the simplest components first. Begin with the fuse dedicated to the cruise control system; a blown fuse can easily disrupt functionality. Next, check the brake light switch, as a malfunction here can cause the cruise control to disengage unexpectedly, mimicking a brake application. If these components are functioning correctly, move on to the control module and sensor, as issues in these areas can lead to more complex problems. Finally, inspect the throttle mechanism, ensuring it operates smoothly, as any obstruction or malfunction can significantly impact cruise control performance. By following this diagnostic approach, you can effectively identify and address the root cause of your cruise control issues, potentially saving time and money before seeking professional help.

What Could Cause the Cruise Control to Malfunction in a Mercedes-Benz GLE43 AMG?

When dealing with cruise control malfunctions in a Mercedes-Benz GLE43 AMG, it's essential to consider several common problems that could be affecting the system. One of the primary culprits is defective cruise control components, which may require a visual inspection and testing of the cruise control switch and module to ensure they are functioning correctly. Additionally, a faulty brake pedal switch can prevent the cruise control from engaging, so checking this component is crucial. Electrical issues, such as a dead battery or a malfunctioning ABS wheel speed sensor, can also disrupt cruise control functionality, often accompanied by warning lights for the ESP and ABS systems. Furthermore, damaged wiring or connector issues within the cruise control circuit can lead to malfunctions, necessitating a thorough inspection and potential repairs. Intermittent failures may indicate deeper electronic or mechanical problems, requiring a more detailed diagnosis of the system. Lastly, a malfunctioning brake light switch can impact cruise control operation, even if the brake lights appear to be working. By understanding these common problems, DIY enthusiasts can effectively troubleshoot and address cruise control issues in their Mercedes-Benz GLE43 AMG.

Why is the Cruise Control Not Working in a Mercedes-Benz GLE43 AMG?

When the cruise control in your Mercedes-Benz GLE43 AMG is not functioning, it’s crucial to understand the potential causes and the urgency of addressing them. A defective brake pedal switch can prevent the system from engaging, while a dead battery may also disrupt its operation. Additionally, a faulty ABS wheel speed sensor or issues with the throttle control system can lead to significant problems with cruise control functionality. In older models, a broken vacuum line might be the source of the malfunction. Ignoring these symptoms can not only compromise your driving experience but also pose safety risks on the road. Therefore, it is advisable to seek professional inspection and repair to ensure your vehicle operates safely and efficiently.

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