2016 Mercedes-Benz C63 AMG S Cruise Control Isn't Working

Fixing Cruise Control Issues in 2016 Mercedes-Benz C63 AMG S

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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 2016 Mercedes-Benz C63 AMG S 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 2016 Mercedes-Benz C63 AMG S 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 non-functioning cruise control in my 2016 Mercedes-Benz C63 AMG S?

To effectively diagnose the non-functioning cruise control in your 2016 Mercedes-Benz C63 AMG S, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse in the fuse box, as a blown fuse is a common and easily rectifiable issue. Next, examine the cruise control buttons on the steering wheel to ensure they are operational, as malfunctioning buttons can prevent engagement. Following this, verify the speed sensors, since faulty sensors can disrupt the cruise control functionality. It’s also essential to check the brake pedal switch, as a defective switch can disable the entire system. If these initial checks do not reveal the problem, utilize a diagnostic scanner to identify any error codes that may indicate specific issues. Finally, inspect the wiring and connections related to the cruise control system for any signs of damage or looseness, as these can hinder proper communication between components. By following this structured diagnostic approach, you can efficiently identify and address the root cause of your cruise control issues.

What are the common issues that could cause the cruise control to stop working in a 2016 Mercedes-Benz C63 AMG S?

When the cruise control in your 2016 Mercedes-Benz C63 AMG S ceases to function, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is often a faulty brake light switch, which can prevent the system from engaging if it fails to signal that the brake pedal is pressed. Additionally, problems with the speed sensor can disrupt the cruise control's ability to maintain a steady speed, leading to erratic performance. Another potential issue is a malfunctioning throttle actuator, which is crucial for adjusting the throttle position accurately. Electrical problems, such as blown fuses or wiring issues, can also impede the cruise control system, as can vacuum leaks in the engine that disrupt the necessary vacuum supply. By familiarizing yourself with these common issues, you can take the first steps toward troubleshooting and potentially restoring the functionality of your cruise control system.

How urgent is it to address the malfunctioning cruise control in a 2016 Mercedes-Benz C63 AMG S?

When it comes to a malfunctioning cruise control system in a 2016 Mercedes-Benz C63 AMG S, the urgency of addressing the issue cannot be overstated. A malfunction in this system can significantly compromise your ability to maintain a steady speed, which is crucial for safe driving, especially on highways where cruise control is often utilized for convenience. Ignoring this problem not only increases the risk of accidents due to unexpected speed fluctuations but can also lead to further damage to the vehicle's electronic systems, resulting in more extensive and costly repairs. Therefore, it is essential to have the cruise control inspected and repaired by a qualified mechanic as soon as possible. This proactive approach not only ensures your safety on the road but also preserves the overall integrity and performance of your vehicle, making it a critical step for any responsible car owner.

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