Mercedes-Benz A220 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Mercedes-Benz A220 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
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25% chance it's the
Control Module
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 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 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.

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.

A faulty cruise control module will simply result in deactivation of cruise control settings. This is because a detected error in the cruise control system could lead to hazardous driving conditions, so the module will be disabled, and the cruise control system warning light will be displayed. This will be a different message depending on make and model, and a warning light or message may be displayed on the driver instrument cluster.

Troubleshooting Cruise Control Issues in a Mercedes-Benz A220

When troubleshooting cruise control issues in your Mercedes-Benz A220, begin by checking the brake pedal switch, as a defective switch is a common culprit that can prevent the system from engaging. Next, ensure that your vehicle's battery is fully charged, as a dead battery can disrupt electronic systems, including cruise control. If these initial checks do not resolve the issue, inspect the ABS wheel speed sensor, as a malfunction here can trigger warning lights and affect cruise control functionality. Additionally, consider the possibility of electronic or mechanical issues within the cruise control system itself, which may require a more in-depth examination of the control module, sensors, and throttle components. Lastly, be aware that different models may have varying cruise control systems, such as the Distronic Plus feature, which could influence your troubleshooting approach. By systematically addressing these areas, you can effectively diagnose and potentially resolve the cruise control problems in your A220.

What Could Cause the Cruise Control to Malfunction in a Mercedes-Benz A220?

When dealing with cruise control malfunctions in a Mercedes-Benz A220, it's crucial to understand the common problems that may arise. One frequent issue is the failure of the control module, which can disrupt the communication between the cruise control system and the vehicle's computer. Additionally, sensor or switch failures can prevent the system from engaging or disengaging properly. Throttle actuation problems are another potential culprit, as they can hinder the system's ability to maintain speed. It's also worth noting that sometimes the cruise control message may not reset correctly after the vehicle is restarted, leading to confusion about its operational status. If you encounter specific error codes, such as P0565, these can provide valuable clues regarding the underlying issues affecting the cruise control functionality. By systematically checking these components and understanding their roles, DIYers can effectively troubleshoot and address the root causes of cruise control malfunctions in their A220, ensuring a smoother driving experience.

Why is the Cruise Control Not Working in a Mercedes-Benz A220?

When the cruise control in your Mercedes-Benz A220 is not functioning, it is crucial to address the issue promptly, as neglecting it can lead to safety risks and further complications. A faulty ABS sensor can disable not only the cruise control but also essential systems like ABS and stability control, which are vital for safe driving. Additionally, a defective brake pedal switch or a blown fuse can interrupt the cruise control operation, making it imperative to check these components. Problems with the throttle control system may also contribute to the malfunction, and faulty brake lights can disrupt the cruise control system since they are often interconnected. To effectively diagnose the issue, it is advisable to inspect these potential problems and consider utilizing the MB diagnostic system to read error codes, ensuring a comprehensive understanding of the underlying causes. Addressing these issues swiftly not only enhances your driving experience but also ensures your safety on the road.

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