2021 Mercedes-Benz A220 Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2021 Mercedes-Benz A220

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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 2021 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 2021 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 initial diagnostic steps to take when the cruise control isn't working on a 2021 Mercedes-Benz A220?

When faced with a malfunctioning cruise control system in your 2021 Mercedes-Benz A220, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control settings in your vehicle's menu to confirm that it is properly activated. Next, ensure that your car is traveling at the minimum speed required for cruise control engagement, as this is a common oversight. Inspect the cruise control buttons on the steering wheel for any signs of damage or malfunction, as these can directly affect functionality. Consulting the owner's manual can provide valuable insights into specific operational requirements and troubleshooting steps tailored to your model. Additionally, keep an eye out for any error messages or warning lights on the dashboard, as these indicators can point to underlying issues. Don't forget to check the vehicle's fuse box for any blown fuses related to the cruise control system, as this is a straightforward fix that can resolve the problem. Finally, if the issue persists, using a diagnostic scanner to check for any stored diagnostic trouble codes (DTCs) can help pinpoint more complex issues that may require professional attention. By following these steps, you can effectively diagnose and potentially resolve the cruise control malfunction in your A220.

What are the common problems that could cause the cruise control to stop working in a 2021 Mercedes-Benz A220?

When the cruise control in your 2021 Mercedes-Benz A220 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 your 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 system to function correctly. Another potential issue is a malfunctioning throttle actuator, which controls the engine's throttle opening; if it fails, the cruise control may struggle to maintain speed. Furthermore, a defective cruise control module can render the entire system inoperative, necessitating repair or replacement. Lastly, electrical problems such as wiring issues or blown fuses can also interfere with the cruise control's functionality. By identifying and addressing these common issues, you can restore the cruise control system in your A220, enhancing your driving experience.

How urgent is it to address the malfunctioning cruise control in my 2021 Mercedes-Benz A220?

Addressing a malfunctioning cruise control system in your 2021 Mercedes-Benz A220 is crucial for maintaining both safety and vehicle performance. When cruise control fails, it can lead to unpredictable acceleration or deceleration, creating hazardous driving conditions that could endanger you and others on the road. Additionally, a malfunctioning system can detract from your overall driving experience, making it less comfortable and more difficult to maintain control. Ignoring these issues not only risks your safety but can also lead to increased fuel consumption and potential damage to other vehicle components, which may result in more costly repairs down the line. By prioritizing the repair of your cruise control system, you can ensure a safer driving experience, enhance your vehicle's performance, and potentially save money on future maintenance.

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2021 Mercedes-Benz A220 Cruise Control Issues & Repairs