2013 Mercedes-Benz S350 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2013 Mercedes-Benz S350

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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 2013 Mercedes-Benz S350 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 2013 Mercedes-Benz S350 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 steps should I take to diagnose the non-functioning cruise control in my 2013 Mercedes-Benz S350?

When diagnosing the non-functioning cruise control in your 2013 Mercedes-Benz S350, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily rectifiable issue that can halt the system's operation. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent the system from engaging. Following this, verify the functionality of the speed sensor, since a malfunction here can disrupt the cruise control's ability to maintain speed. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, ensure that the brake and clutch switches are operational, as faulty switches can inadvertently disable the cruise control. Finally, inspect the wiring and connections associated with the cruise control system for any damage or corrosion, as poor connections can lead to operational failures. By methodically following these steps, you can effectively identify and address the root cause of your cruise control issues.

What are the common problems that could cause the cruise control to stop working in a 2013 Mercedes-Benz S350?

When dealing with cruise control issues in a 2013 Mercedes-Benz S350, it's essential to understand the common problems that may arise. One of the primary culprits is a defective brake pedal switch, which can disrupt the cruise control system by failing to signal when the brake is engaged. Additionally, a dead battery can hinder the cruise control's functionality, as it requires sufficient power to operate effectively. Another potential issue is a defective component or sensor within the cruise control system; if any critical part is malfunctioning, it can prevent the system from engaging or maintaining speed. By identifying these common problems, DIYers can take the necessary steps to troubleshoot and potentially resolve the cruise control malfunction, ensuring a smoother driving experience.

How urgent is it to repair the non-functioning cruise control in a 2013 Mercedes-Benz S350?

When it comes to the urgency of repairing the non-functioning cruise control in your 2013 Mercedes-Benz S350, it's essential to weigh the comfort and efficiency benefits against the potential drawbacks of inaction. While a malfunctioning cruise control system may not pose an immediate safety risk, it can lead to increased driver fatigue during long trips, as maintaining a constant speed manually can be taxing. Additionally, neglecting this issue could indicate underlying problems with the vehicle's components or sensors, which might escalate into more significant repairs if left unaddressed. By prioritizing the repair, you not only enhance your driving experience but also prevent the inconvenience and frustration that can arise from dealing with a malfunctioning system on extended journeys. Therefore, addressing the cruise control issue promptly is advisable to ensure a smoother, more enjoyable ride while safeguarding against potential complications down the line.

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