2017 Mercedes-Benz C63 AMG Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2017 Mercedes-Benz C63 AMG 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
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 2017 Mercedes-Benz C63 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 2017 Mercedes-Benz C63 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.

What are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2017 Mercedes-Benz C63 AMG?

When faced with a non-functioning cruise control in your 2017 Mercedes-Benz C63 AMG, start by checking the cruise control fuse located in the fuse box; a blown fuse is often a simple fix that can restore functionality. Next, ensure that the cruise control settings are correctly configured and activated, as incorrect settings can prevent the system from engaging. Utilizing a diagnostic scanner to check for error codes can provide insights into any underlying issues that may not be immediately visible. Additionally, inspect the cruise control buttons on the steering wheel for any signs of damage or malfunction, as these controls are crucial for operation. Finally, while driving, attempt to engage the cruise control to see if it responds; this practical test can help you determine if the system is operational or if further investigation is needed. By following these steps, you can effectively diagnose and potentially resolve the cruise control issue on your own.

What are the common problems that could cause the cruise control to stop working in a 2017 Mercedes-Benz C63 AMG?

When troubleshooting the cruise control system in a 2017 Mercedes-Benz C63 AMG, it's essential to understand the common problems that may lead to its malfunction. One prevalent 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 interfere with the cruise control's operation, as the system relies on this switch to disengage when the brakes are applied. Another potential culprit is a malfunctioning throttle actuator, which can hinder communication between the cruise control system and the engine, resulting in operational failures. Furthermore, a defective cruise control module may cause the entire system to cease functioning, necessitating repair or replacement. Lastly, electrical problems such as wiring issues or blown fuses can also impede the cruise control's performance. By identifying and addressing these common issues, DIY enthusiasts can effectively restore the cruise control functionality in their vehicle.

How urgent is it to address the non-functioning cruise control in a 2017 Mercedes-Benz C63 AMG?

When it comes to a non-functioning cruise control in a 2017 Mercedes-Benz C63 AMG, addressing the issue should be a priority for any DIY enthusiast. While it may not seem like an immediate safety concern, the convenience and efficiency that cruise control offers during long drives cannot be overlooked. A malfunctioning system can lead to increased driver fatigue and a less enjoyable driving experience, especially on highways where maintaining a constant speed is crucial. Moreover, ignoring this issue could result in more significant complications within the vehicle's electronic systems, potentially leading to costly repairs down the line. Therefore, it is advisable to inspect and repair the cruise control system promptly to ensure not only the optimal performance of your vehicle but also to prevent any future inconveniences that could arise from neglecting this seemingly minor issue. Taking action now can save you time and money in the long run, making it a worthwhile DIY project.

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