2019 Mercedes-Benz S560e Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2019 Mercedes-Benz S560e

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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 2019 Mercedes-Benz S560e 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 2019 Mercedes-Benz S560e 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 2019 Mercedes-Benz S560e?

To effectively diagnose the cruise control issue in your 2019 Mercedes-Benz S560e, start with the simplest solutions before moving on to more complex diagnostics. Begin by checking the cruise control fuse, as a blown fuse can easily disrupt functionality. Next, inspect the cruise control buttons on your steering wheel for any signs of damage or wear that could hinder their operation. If these initial checks do not reveal the problem, use an OBD-II scanner to scan for error codes, which can provide insights into any underlying issues. Following this, examine the speed sensors, as they play a critical role in the cruise control system's performance; ensure they are intact and functioning properly. If everything appears normal, proceed to test the cruise control module itself, as a malfunctioning module can lead to significant issues. Finally, inspect all wiring and connections associated with the cruise control system for any damage, corrosion, or loose connections that could be causing the malfunction. By systematically following these steps, you can accurately diagnose the issue and take appropriate action to restore your cruise control functionality.

What are the common problems that could cause the cruise control to stop working in a 2019 Mercedes-Benz S560e?

When the cruise control in a 2019 Mercedes-Benz S560e ceases to function, several common problems may be at play. A faulty speed sensor is often the culprit, as it is essential for the system to accurately gauge the vehicle's speed; without this information, the cruise control cannot engage or maintain speed effectively. Additionally, issues with the brake light switch can disrupt the system, since it is designed to disengage when the brake pedal is pressed. If the switch is malfunctioning, it may not signal the cruise control to turn off, leading to operational failures. Another potential issue is a malfunctioning throttle actuator, which is responsible for controlling the engine's throttle opening; if this component fails, the cruise control will struggle to maintain a steady speed. Electrical problems, such as blown fuses or wiring issues, can also hinder the cruise control's performance, as can software glitches within the vehicle's control module. By understanding these common problems, DIY enthusiasts can better diagnose the issue and take appropriate steps to restore the cruise control functionality in their vehicle.

How urgent is it to repair the non-functioning cruise control in a 2019 Mercedes-Benz S560e?

When evaluating the urgency of repairing the non-functioning cruise control in a 2019 Mercedes-Benz S560e, it's essential to understand that while this feature significantly enhances driving comfort, especially on long trips, it does not pose an immediate safety risk. The absence of cruise control may lead to discomfort during extended highway driving, as maintaining a constant speed becomes more challenging. However, the vehicle remains safe to operate without this feature. It is advisable to schedule an inspection and repair with a qualified mechanic at your earliest convenience to restore this convenience, ensuring a more enjoyable driving experience. Addressing the issue promptly can prevent potential complications that may arise from neglecting the system, ultimately enhancing your overall driving comfort.

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