2016 Mercedes-Benz GLE400 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Mercedes-Benz GLE400 and How to Fix Them

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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 2016 Mercedes-Benz GLE400 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 2016 Mercedes-Benz GLE400 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-functioning cruise control in a 2016 Mercedes-Benz GLE400?

When troubleshooting the non-functioning cruise control in a 2016 Mercedes-Benz GLE400, it's important to follow a structured diagnostic approach that prioritizes simpler checks before delving into more complex issues. Begin by examining the cruise control fuse, as a blown or damaged fuse can easily disrupt the system's operation. Next, assess the functionality of the cruise control switch; any malfunction here can prevent the system from engaging properly. It's also essential to ensure that the brake lights are working, since a faulty brake light switch can inadvertently disable the cruise control feature. Additionally, check the vehicle speed sensor, which is crucial for the cruise control to maintain the desired speed accurately. Lastly, scanning the vehicle's onboard computer for any error codes can reveal underlying issues that may be affecting the cruise control system. By systematically following these diagnostic steps, you can effectively identify and resolve the root causes of the cruise control malfunction, leading to a more reliable driving experience.

What are the common problems that could cause the cruise control to stop working in a 2016 Mercedes-Benz GLE400?

When troubleshooting the cruise control system in a 2016 Mercedes-Benz GLE400, 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 the cruise control from engaging or maintaining the desired speed. Additionally, problems with the brake light switch can pose significant challenges, as this switch is crucial for disengaging the cruise control when the brake pedal is pressed; a malfunction here can cause the system to behave erratically. Another potential culprit is the throttle actuator, which regulates the engine's throttle opening; if it fails, the cruise control may struggle to maintain speed effectively. Furthermore, a defective cruise control module can hinder communication between various system components, leading to operational failures. Lastly, electrical issues such as wiring problems or blown fuses can also impede the cruise control's functionality. By identifying and addressing these common issues, DIY enthusiasts can take steps toward restoring the cruise control system in their vehicle.

How urgent is it to address the non-functioning cruise control in a 2016 Mercedes-Benz GLE400?

Addressing the non-functioning cruise control in a 2016 Mercedes-Benz GLE400 is crucial for both safety and vehicle performance. When cruise control fails, it not only diminishes the convenience of maintaining a steady speed during long drives but may also signal deeper issues within the vehicle's systems. Ignoring this malfunction can lead to increased driver fatigue, as the driver must constantly monitor speed, which can be particularly taxing on extended journeys. Moreover, a malfunctioning cruise control could indicate problems with the vehicle's electronic systems or throttle control, potentially leading to more significant repairs if left unchecked. For DIY enthusiasts, it’s essential to recognize that while some issues may be simple fixes, such as a blown fuse or a faulty switch, others may require professional diagnostics to prevent unsafe driving conditions or further damage. Therefore, addressing the cruise control issue promptly not only enhances driving comfort but also safeguards the overall integrity of the vehicle, making it a priority for any responsible car owner.

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2016 Mercedes-Benz GLE400 Cruise Control Issues & Repairs