2023 Mercedes-Benz Sprinter 3500 Cruise Control Isn't Working

Fix Cruise Control Malfunctions in 2023 Mercedes-Benz Sprinter 3500

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Reviewed by
Bo Fader
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 2023 Mercedes-Benz Sprinter 3500 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 2023 Mercedes-Benz Sprinter 3500 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 2023 Mercedes-Benz Sprinter 3500?

To effectively diagnose the non-functioning cruise control in your 2023 Mercedes-Benz Sprinter 3500, 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 faulty buttons can hinder engagement. Following this, verify the speed sensors, since malfunctioning sensors can disrupt the cruise control system's functionality. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, inspect the wiring and connections associated with the cruise control system, as loose or damaged wiring can lead to malfunctions. If these preliminary checks do not resolve the issue, testing the cruise control module is essential, as a faulty module may be the root cause of the problem. Should you find yourself unable to identify the issue after these steps, consulting a qualified mechanic or an authorized Mercedes-Benz service center is advisable for a comprehensive diagnosis and repair. This methodical approach not only saves time but also enhances the likelihood of successfully identifying and resolving the cruise control malfunction.

What are the common problems that could cause the cruise control to stop working in a 2023 Mercedes-Benz Sprinter 3500?

When troubleshooting cruise control issues in a 2023 Mercedes-Benz Sprinter 3500, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty speed sensor, which can disrupt the system's ability to accurately gauge the vehicle's speed, preventing the cruise control from engaging or maintaining speed. Additionally, issues with the brake light switch can interfere with the cruise control's operation, as this switch is designed to disengage the system when the brake pedal is pressed. If the switch is malfunctioning, it may not properly signal the cruise control to turn off. Another potential issue is a malfunctioning throttle actuator, which is responsible for controlling the engine's throttle opening; if it fails, the cruise control may struggle to maintain a constant speed. Furthermore, a defective cruise control module can hinder the system's performance, as it processes critical data needed for speed regulation. Lastly, electrical problems such as wiring issues or blown fuses can also lead to cruise control malfunctions. By identifying and addressing these common issues, DIY enthusiasts can effectively troubleshoot and resolve cruise control problems in their Sprinter 3500.

How urgent is it to address the malfunctioning cruise control in a 2023 Mercedes-Benz Sprinter 3500?

When it comes to a malfunctioning cruise control in a 2023 Mercedes-Benz Sprinter 3500, the urgency of addressing the issue cannot be overstated. A faulty cruise control system can lead to unpredictable vehicle behavior, such as sudden acceleration or deceleration, which poses significant safety risks on the road. For DIY enthusiasts, understanding the potential consequences of neglecting these symptoms is crucial. Not only can a malfunctioning system compromise your safety, but it can also lead to further damage to the vehicle's electronic systems, resulting in more costly repairs down the line. Moreover, cruise control is designed to enhance driving comfort and fuel efficiency; therefore, resolving any issues promptly can restore this valuable feature, making your driving experience more enjoyable. In summary, if you notice any irregularities with your cruise control, it is advisable to take action quickly to ensure both your safety and the longevity of your vehicle.

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