2010 Mercedes-Benz CLS63 AMG Cruise Control Isn't Working

Fixing Cruise Control Issues in 2010 Mercedes-Benz CLS63 AMG

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Reviewed by
Aisha
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 2010 Mercedes-Benz CLS63 AMG 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 2010 Mercedes-Benz CLS63 AMG 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.

What are the steps to diagnose the non-functioning cruise control in a 2010 Mercedes-Benz CLS63 AMG?

To effectively diagnose the non-functioning cruise control in your 2010 Mercedes-Benz CLS63 AMG, start by checking the control module, as this is often the root of the problem. Ensure it is operational and free from faults. Next, inspect the cruise control sensor, which is vital for the system's functionality; any damage here could lead to failure. Following that, examine the throttle to confirm it is working correctly, as issues with this component can directly impact cruise control performance. Additionally, look for any problems with the vacuum actuator, as malfunctions here can disrupt the system's operation. Don't forget to inspect the vacuum hoses for signs of wear or damage, as these can also contribute to cruise control issues. Lastly, check the cable connecting the actuator to other components for any signs of damage. If these steps do not resolve the issue, it may be time to consult a professional for further diagnosis and repair. By methodically assessing each component, you can effectively identify the cause of the cruise control malfunction and take appropriate action.

What are the common problems that could cause the cruise control to stop working in a 2010 Mercedes-Benz CLS63 AMG?

When the cruise control in a 2010 Mercedes-Benz CLS63 AMG ceases to function, several common problems may be at play. One of the primary culprits is a faulty brake light switch, which is crucial for the cruise control system's operation; if this switch malfunctions, it can prevent the system from engaging, as it is designed to deactivate when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to erratic behavior or complete failure. Another potential issue is a malfunctioning throttle actuator, which is essential for controlling the vehicle's speed; if this component is not working correctly, the cruise control will struggle to function as intended. Furthermore, a defective cruise control module can also be a significant factor, as it is responsible for the overall operation of the system and may require repair or replacement. Lastly, electrical problems, such as faulty wiring or blown fuses, can impact the cruise control's performance and should be thoroughly checked. By understanding these common problems, DIY enthusiasts can better diagnose and address the issues affecting their vehicle's cruise control system.

How urgent is it to address the non-functioning cruise control in a 2010 Mercedes-Benz CLS63 AMG?

When it comes to the non-functioning cruise control in a 2010 Mercedes-Benz CLS63 AMG, the urgency of addressing this issue cannot be overstated. While it may not seem like an immediate emergency, the implications of ignoring this problem can lead to significant safety risks and inconvenience. Cruise control is designed to enhance driving comfort by maintaining a steady speed, which is particularly beneficial during long highway drives. A malfunctioning system may not only hinder this convenience but could also signal deeper electronic or sensor issues that might affect other critical vehicle functions. Moreover, without the ability to regulate speed effectively, drivers may inadvertently exceed speed limits, increasing the risk of accidents and legal repercussions. Therefore, it is crucial to diagnose and repair the cruise control system promptly to ensure the vehicle operates safely and efficiently, ultimately safeguarding both the driver and passengers on the road.

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Diagnose Cruise Control Issues in 2010 Mercedes CLS63 AMG