Mercedes-Benz GLE350 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Mercedes-Benz GLE350 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
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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 GLE350 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 GLE350 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 GLE350

When troubleshooting cruise control issues in your Mercedes-Benz GLE350, start by checking the simplest components first. Begin with the fuse associated with the cruise control system, as a blown fuse can easily disrupt functionality. Next, inspect the brake light switch; if it’s malfunctioning, it may prevent the cruise control from engaging. Pay attention to the ABS sensors as well, since a failure in any of these sensors can disable not only the cruise control but also other critical systems like ABS and stability control. If these initial checks do not resolve the issue, consider examining the control module and throttle actuation components, as these are common culprits for more complex problems. Additionally, ensure that there are no warning lights on your dashboard, such as a check engine light, which could indicate underlying engine issues affecting the cruise control system. By following this diagnostic approach, you can effectively narrow down the potential causes of the malfunction and determine whether a simple fix is possible or if professional assistance is needed.

What Are the Common Causes of Cruise Control Malfunction in a Mercedes-Benz GLE350?

When dealing with cruise control malfunctions in a Mercedes-Benz GLE350, it's essential to understand the common problems that may arise. One frequent culprit is a failed control module, sensor, or switch, which can disrupt the system's functionality. Additionally, throttle actuation issues can prevent the cruise control from engaging properly, leading to frustration during drives. Another critical factor to consider is the condition of the ABS sensors; a defective sensor at any wheel can disable the entire cruise control system, highlighting the interconnected nature of vehicle components. Regular maintenance and timely troubleshooting are vital to keeping the cruise control system operational, ensuring a smooth and enjoyable driving experience. By being aware of these common issues, DIY enthusiasts can take proactive steps to diagnose and address potential problems before they escalate.

Why is the Cruise Control Not Working in a Mercedes-Benz GLE350?

When your Mercedes-Benz GLE350's cruise control fails, it’s crucial to understand that this issue may stem from several underlying problems, each with its own implications for your vehicle's safety and performance. A defective brake pedal switch is a common culprit; if this switch malfunctions, it can prevent the cruise control from engaging, which may lead to unexpected acceleration or difficulty maintaining speed. Additionally, a dead battery or a faulty ABS wheel speed sensor can trigger warning lights and disrupt the cruise control system, potentially compromising your driving experience. If the throttle control system is malfunctioning, it can further complicate matters, making it essential to address these issues without delay. In older models, a broken vacuum line can also hinder cruise control functionality, while an ESP error can disable the system altogether, often due to issues with various sensors. Ignoring these symptoms not only poses safety risks but can also lead to more significant damage and costly repairs down the line. Therefore, if you notice any signs of cruise control malfunction, it is advisable to seek professional inspection and repair to ensure your vehicle remains safe and reliable on the road.

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