2019 Mercedes-Benz A220 Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2019 Mercedes-Benz A220

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Reviewed by
Bo Fader
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 2019 Mercedes-Benz A220 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 2019 Mercedes-Benz A220 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 steps to diagnose the cruise control issue in a 2019 Mercedes-Benz A220?

To effectively diagnose cruise control issues in your 2019 Mercedes-Benz A220, begin with the simplest solutions. Start by checking the cruise control fuse, as a blown fuse can easily disrupt functionality. Next, inspect the cruise control buttons on the steering wheel to ensure they are responsive and not stuck, as faulty buttons can lead to operational failures. If these initial checks do not resolve the issue, utilize a diagnostic scanner to read any error codes from the vehicle's onboard computer, which can provide insights into specific malfunctions. Following this, verify the speed sensors, as they are essential for the cruise control system's operation; any faults here can significantly impact performance. Additionally, examine the wiring connections for signs of damage or corrosion, as poor connections can hinder the system's functionality. If all else fails, test the cruise control module itself to confirm it is working correctly. Should the problem persist after these steps, it may be time to consult a professional mechanic or an authorized Mercedes-Benz service center for a thorough diagnosis and repair. By following this structured approach, you can systematically identify and address the root cause of cruise control issues in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2019 Mercedes-Benz A220?

When the cruise control in your 2019 Mercedes-Benz A220 stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty brake light switch, which may fail to signal when the brake pedal is pressed, thereby preventing the cruise control from engaging. Additionally, issues with the speed sensor can lead to incorrect speed readings, causing the system to malfunction or disengage unexpectedly. Another potential problem is a malfunctioning throttle actuator, which can hinder the vehicle's ability to maintain a steady speed while cruise control is active. Electrical problems, such as blown fuses or wiring issues, can also disrupt the cruise control function, making it essential to check the vehicle's electrical system. Lastly, software glitches within the vehicle's control module can interfere with the cruise control operation, so ensuring that your software is up to date is crucial. By systematically addressing these common issues, you can effectively troubleshoot and potentially resolve the cruise control problems in your A220.

How urgent is it to address the malfunctioning cruise control in my 2019 Mercedes-Benz A220?

Addressing a malfunctioning cruise control in your 2019 Mercedes-Benz A220 is crucial for several reasons. First and foremost, safety should be your top priority; a faulty cruise control system can lead to erratic acceleration or deceleration, posing significant risks while driving, especially on highways. Additionally, a malfunction can detract from your driving comfort, making it challenging to maintain a steady speed during long trips, which can lead to fatigue. Furthermore, timely repairs are essential for maintaining your vehicle's overall performance and efficiency, ensuring that it operates smoothly and as intended. Ignoring these issues can result in more severe problems down the line, potentially causing damage to other vehicle components and leading to costly repairs. Therefore, it is imperative to address any cruise control malfunctions promptly to safeguard your driving experience and vehicle integrity.

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