2022 Mercedes-Benz GLB250 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2022 Mercedes-Benz GLB250

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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 2022 Mercedes-Benz GLB250 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 GLB250 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 steps should I take to diagnose the cruise control issue in my 2022 Mercedes-Benz GLB250?

When diagnosing a cruise control issue in your 2022 Mercedes-Benz GLB250, it's crucial to follow a systematic diagnostic approach that prioritizes simpler checks before moving on to more complex solutions. Begin by inspecting the cruise control fuse, as a blown fuse can easily disrupt the system's operation. Next, check the cruise control buttons on your steering wheel to ensure they are functioning correctly, since faulty buttons can prevent engagement. Utilizing an OBD-II scanner to retrieve any error codes is also essential, as these codes can provide insights into specific problems within the cruise control system. After that, verify the functionality of the speed sensors, which are integral to the cruise control's performance. Additionally, examine the wiring and connections for any signs of damage or corrosion, as poor connections can significantly impact the system's reliability. If these initial checks do not resolve the issue, proceed to test the cruise control module, as a malfunctioning module can hinder the system's ability to engage. If you are still unable to identify the problem after these steps, it may be wise to consult a professional mechanic or an authorized Mercedes-Benz service center for expert assistance. By following this structured approach, you can effectively diagnose and address the cruise control issue in your vehicle, ensuring a smoother driving experience.

What are the common problems that could cause the cruise control to stop working in a 2022 Mercedes-Benz GLB250?

When the cruise control in your 2022 Mercedes-Benz GLB250 ceases to function, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. One of the primary culprits is a faulty speed sensor, which is essential for the cruise control system to accurately gauge the vehicle's speed. If this sensor malfunctions, the system may fail to engage or maintain the desired speed. Additionally, issues with the brake light switch can disrupt the cruise control's operation, as it relies on signals from the brake pedal to disengage when necessary. Another potential issue is a malfunctioning throttle actuator, which controls the engine's throttle and is crucial for maintaining speed. If the cruise control module itself is defective, it may require replacement or repair to restore functionality. Lastly, don't overlook electrical problems such as wiring issues or blown fuses, as these can also impede the cruise control system's performance. By identifying these common issues, you can take the first steps toward diagnosing and potentially resolving the problem with your vehicle's cruise control.

How urgent is it to address the malfunctioning cruise control in a 2022 Mercedes-Benz GLB250?

Addressing a malfunctioning cruise control in your 2022 Mercedes-Benz GLB250 is crucial for maintaining both safety and vehicle performance. When cruise control fails, it can lead to unpredictable acceleration or deceleration, creating a hazardous driving environment that could endanger you and others on the road. Additionally, a malfunctioning system detracts from the overall driving experience, making long journeys less convenient and enjoyable. Ignoring these symptoms not only compromises safety but can also exacerbate the problem, leading to more extensive and costly repairs down the line. Therefore, it is essential to prioritize the repair of your cruise control system to ensure a safe and reliable driving experience.

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