2022 Mercedes-Benz GLA35 AMG Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2022 Mercedes-Benz GLA35 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 2022 Mercedes-Benz GLA35 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 2022 Mercedes-Benz GLA35 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.

The cruise control switch can cause complete failure of the cruise control feature, but in a lucky scenario only partial functionality will be lost. This means that the cruise control may come on, but that it will not increase in speed automatically, or the cancel button does not work leading the driver to cancel cruise control with the foot brake. In some vehicles, the cruise control light may illuminate, or a warning message may be displayed due to lack of functionality.

What are the initial steps to diagnose the cruise control issue in a 2022 Mercedes-Benz GLA35 AMG?

When diagnosing a cruise control issue in your 2022 Mercedes-Benz GLA35 AMG, it's essential to adopt a methodical approach that begins with the most straightforward checks. Start by examining the cruise control fuse; a blown fuse can easily disrupt the system's functionality. Next, inspect the cruise control buttons on your steering wheel to ensure they are responsive and not stuck, as faulty buttons can lead to operational failures. Utilizing a diagnostic scanner to check for error codes is a crucial step, as it can reveal specific malfunctions within the cruise control system. Additionally, verify the speed sensors, which are vital for the system's performance; any faults here can significantly impact cruise control operation. Finally, take a close look at the wiring connections associated with the cruise control system, checking for any signs of damage or loose connections that could hinder performance. By following these initial steps, you can effectively narrow down the potential causes of the cruise control issue and take the first steps toward a resolution.

What are the common problems that could cause the cruise control to stop working in a 2022 Mercedes-Benz GLA35 AMG?

When the cruise control system in a 2022 Mercedes-Benz GLA35 AMG ceases to function, several common problems may be at play. One of the primary culprits is a faulty speed sensor, which is crucial for the system to accurately gauge the vehicle's speed; if this sensor malfunctions, the cruise control may fail to engage or maintain the desired speed. Additionally, issues with the brake light switch can disrupt the system, as it is designed to deactivate cruise control when the brakes are applied. Another potential issue is a malfunctioning throttle actuator, which can hinder the cruise control's ability to adjust the throttle position, thereby affecting its overall functionality. Furthermore, a defective cruise control module can lead to a complete system failure, necessitating repair or replacement. Lastly, electrical problems, such as blown fuses or wiring issues, can also impede the operation of the cruise control system. For those looking to diagnose the problem themselves, it is essential to check these components systematically to identify the root cause of the malfunction.

How urgent is it to address the non-functioning cruise control in a 2022 Mercedes-Benz GLA35 AMG?

Addressing the non-functioning cruise control in a 2022 Mercedes-Benz GLA35 AMG is of utmost urgency due to the significant safety risks it poses. A malfunctioning cruise control system can lead to erratic speed changes, which may compromise your ability to maintain control of the vehicle, especially during long highway drives. This not only endangers your safety but also that of other road users. Furthermore, the convenience and comfort that cruise control provides during extended trips cannot be overlooked; without it, driving can become more tiring and less enjoyable. Additionally, a failure in the cruise control system may indicate deeper electronic issues within the vehicle, which could escalate into more severe problems if left unaddressed. Therefore, it is crucial to prioritize the repair of the cruise control system to ensure a safe, comfortable, and reliable driving experience.

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