2016 Mercedes-Benz Sprinter 3500 Cruise Control Isn't Working

Fixing Cruise Control Issues in 2016 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 2016 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 2016 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.

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 are the initial diagnostic steps to troubleshoot the non-functional cruise control in a 2016 Mercedes-Benz Sprinter 3500?

When faced with a non-functional cruise control in a 2016 Mercedes-Benz Sprinter 3500, it's crucial to adopt a systematic diagnostic approach. Start by checking the cruise control fuse, as a blown or damaged fuse can easily disrupt the system's operation. Next, verify the functionality of the cruise control switch located on the steering wheel; if this switch is faulty, it will prevent the cruise control from engaging. Following this, inspect the speed sensors, which play a vital role in the cruise control system, ensuring they are operational. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues that may not be immediately visible. Additionally, test the brake pedal switch, as a malfunctioning switch can inadvertently disable the cruise control. Finally, examine the wiring and connections associated with the cruise control system for any signs of damage or corrosion. By methodically following these steps, you can effectively diagnose and address the issues affecting your cruise control system, empowering you to take control of your vehicle's functionality.

What are the common problems that could cause the cruise control to stop working in a 2016 Mercedes-Benz Sprinter 3500?

When troubleshooting cruise control issues in a 2016 Mercedes-Benz Sprinter 3500, it's essential to understand the common problems that may be at play. A faulty speed sensor is often the primary culprit, as it can disrupt the system's ability to maintain the desired speed. Additionally, a malfunctioning brake light switch can lead to unexpected disengagement of the cruise control when the brake pedal is pressed, creating a frustrating driving experience. Another potential issue is the throttle actuator, which plays a crucial role in communication between the cruise control system and the engine; any problems here can severely impact functionality. Furthermore, vacuum leaks can hinder the system's ability to maintain speed, while electrical problems, such as blown fuses or wiring issues, can also prevent the cruise control from operating correctly. By identifying and addressing these common issues, DIY enthusiasts can effectively troubleshoot and restore the cruise control system to proper working order.

How urgent is it to address the non-functioning cruise control in a 2016 Mercedes-Benz Sprinter 3500?

When considering the urgency of fixing the non-functioning cruise control in your 2016 Mercedes-Benz Sprinter 3500, it's essential to evaluate how much you rely on this feature for your driving comfort and safety. For those who frequently embark on long journeys, a malfunctioning cruise control system can lead to increased fatigue and discomfort, making it crucial to address the issue promptly. Additionally, if you depend on cruise control to maintain speed and fuel efficiency, delaying repairs could result in inconsistent driving patterns that may affect your vehicle's performance and safety. On the other hand, if your driving primarily consists of short trips or stop-and-go traffic, the urgency may be less pressing. However, it's important to recognize that neglecting cruise control issues can lead to more significant problems down the line, such as potential safety risks if the system fails unexpectedly. Common causes of cruise control malfunctions include faulty sensors, control modules, or brake switches, which can often be diagnosed with some basic troubleshooting. While DIY enthusiasts may feel confident in identifying these issues, consulting a professional for a thorough diagnosis and repair is advisable to ensure your vehicle remains safe and reliable on the road. Ultimately, assessing your driving habits and the potential consequences of inaction will guide you in determining how urgently you should address the cruise control malfunction.

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