2021 Mercedes-Benz Maybach S580 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2021 Mercedes-Benz Maybach S580

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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 2021 Mercedes-Benz Maybach S580 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 Maybach S580 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 2021 Mercedes-Benz Maybach S580?

To effectively diagnose the cruise control issue in your 2021 Mercedes-Benz Maybach S580, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by examining 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 operational, since faulty buttons can lead to malfunctions. Utilizing an OBD-II scanner is crucial for identifying any error codes that may indicate specific problems within the cruise control system. Following this, check the speed sensors, as they are integral to the system's performance. Additionally, inspect the wiring connections for any signs of damage or loose connections that could hinder operation. Finally, test the cruise control module to confirm it is sending the correct signals. By following this structured diagnostic approach, you can efficiently identify and address the root cause of the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2021 Mercedes-Benz Maybach S580?

When dealing with a malfunctioning cruise control system in a 2021 Mercedes-Benz Maybach S580, it's essential to understand the common problems that could be at play. One frequent issue is a faulty speed sensor, which can disrupt the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining the desired speed. Additionally, problems with the brake light switch can pose a significant challenge, as this component is crucial for disengaging the cruise control when the brake pedal is pressed; a malfunction here can lead to erratic behavior or complete failure of the system. Another potential culprit is the throttle actuator, which regulates the engine's throttle opening; if it malfunctions, the cruise control may struggle to maintain speed effectively. Furthermore, a defective cruise control module can hinder communication between various system components, resulting in operational issues. Lastly, electrical problems, such as blown fuses or wiring issues, can also impact the cruise control's functionality. By identifying and addressing these common problems, you can work towards restoring the cruise control system to its optimal performance.

How urgent is it to address the malfunctioning cruise control in a 2021 Mercedes-Benz Maybach S580?

Addressing a malfunctioning cruise control in your 2021 Mercedes-Benz Maybach S580 is not just a matter of convenience; it is a critical safety concern that requires immediate attention. A malfunction can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which can endanger both the driver and other road users. Moreover, the cruise control system is designed to enhance your driving experience, and any issues can detract from the luxury and comfort that this high-end vehicle offers. Ignoring these symptoms can also lead to more severe problems, potentially affecting other vehicle systems and resulting in costly repairs down the line. Therefore, it is essential to prioritize the diagnosis and repair of your cruise control system to ensure your safety, maintain the vehicle's performance, and preserve its overall integrity.

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