2016 Mercedes-Benz GLA250 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Mercedes-Benz GLA250 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 GLA250 cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in 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 acceleration and poor engine 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 GLA250 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 basic checks should I perform for cruise control issues in a 2016 Mercedes-Benz GLA250?

When troubleshooting cruise control issues in your 2016 Mercedes-Benz GLA250, start with the simplest checks to identify the root cause. Begin by inspecting the brake pedal switch, as a malfunction here can prevent the cruise control from engaging. Next, ensure that your vehicle's battery is fully charged, as a dead or weak battery can disrupt electrical systems, including cruise control. Additionally, examine the ABS wheel speed sensor, since a faulty sensor can send incorrect signals to the cruise control system, leading to operational failures. If these basic checks do not resolve the issue, it may be time to consult a service and maintenance team for a more in-depth diagnosis. By following this diagnostic approach, you can efficiently narrow down the potential causes of your cruise control problems and take the necessary steps to fix them.

What common issues cause cruise control failure in a 2016 Mercedes-Benz GLA250?

When troubleshooting cruise control failure in a 2016 Mercedes-Benz GLA250, it's essential to consider several common problems that could be affecting the system. One of the primary culprits is a malfunctioning control module, which can disrupt the communication between the cruise control system and the vehicle's other electronic components. Additionally, issues with sensors or switches, such as a defective brake pedal switch, can prevent the cruise control from engaging properly. Throttle actuation problems may also arise, leading to an inability to maintain speed. Furthermore, a dead battery or a faulty ABS wheel speed sensor can trigger warning lights for the ESP and ABS systems, indicating that the cruise control may be compromised. By understanding these potential issues, DIYers can systematically diagnose and address the root cause of cruise control failure in their GLA250, ensuring a smoother driving experience.

How urgent is it to address the malfunctioning cruise control in a 2016 Mercedes-Benz GLA250?

Addressing a malfunctioning cruise control in your 2016 Mercedes-Benz GLA250 should not be taken lightly, as neglecting this issue can lead to significant inconveniences and potential safety risks. While it may seem like a minor problem, a malfunctioning cruise control can disrupt your driving experience, especially during long trips where this feature is particularly beneficial. If the cruise control system fails, it could lead to erratic vehicle behavior, which may compromise your control over the car. Additionally, issues such as blown fuses or a faulty brake pedal sensor can exacerbate the problem, making it crucial to diagnose and resolve these symptoms promptly. By addressing the malfunction early, you not only enhance your driving comfort but also prevent further complications that could arise from prolonged neglect, ensuring a safer and more enjoyable journey on the road.

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Cruise Control Malfunction in 2016 Mercedes-Benz GLA250