2014 Mercedes-Benz Sprinter 2500 Cruise Control Isn't Working

Fixing Cruise Control Issues in 2014 Mercedes-Benz Sprinter 2500

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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 2014 Mercedes-Benz Sprinter 2500 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 2014 Mercedes-Benz Sprinter 2500 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 2014 Mercedes-Benz Sprinter 2500?

When faced with a non-functional cruise control in your 2014 Mercedes-Benz Sprinter 2500, start by checking for any warning lights on the dashboard, particularly the check engine light, as this could signal underlying issues affecting the cruise control system. Next, utilize an OBD2 scan tool to connect to the vehicle's onboard diagnostic port, allowing you to retrieve error codes that can pinpoint specific problems. Additionally, inspect the cruise control lever located on the left side of the steering column to ensure it is operating correctly. By following these initial diagnostic steps, you can effectively narrow down potential causes and take the necessary actions to restore your cruise control functionality.

What are the common problems that could cause the cruise control to stop working in a 2014 Mercedes-Benz Sprinter 2500?

When the cruise control in your 2014 Mercedes-Benz Sprinter 2500 ceases to function, it can be frustrating, but understanding the common problems can guide you in diagnosing the issue. One frequent culprit is a faulty brake light switch, which may fail to signal the cruise control system when the brake pedal is pressed, thereby preventing engagement. Additionally, issues with the speed sensor can disrupt the system's ability to maintain a constant speed, leading to failure. Another potential problem is a malfunctioning throttle actuator, which is crucial for regulating speed; if it’s not working correctly, the cruise control may struggle to perform as intended. Electrical problems, such as blown fuses or wiring issues, can also interfere with the cruise control's operation, making it essential to check these components. Lastly, vacuum leaks in the engine can cause fluctuations in power, impacting the cruise control's effectiveness. By systematically checking these areas, you can identify and address the root cause of your cruise control issues, restoring functionality and enhancing your driving experience.

How urgent is it to address the malfunctioning cruise control in a 2014 Mercedes-Benz Sprinter 2500?

Addressing a malfunctioning cruise control in a 2014 Mercedes-Benz Sprinter 2500 is of utmost urgency due to the significant safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, creating hazardous driving conditions that could endanger both the driver and others on the road. Furthermore, issues with the cruise control system may signal deeper electronic or sensor problems, which can compromise the vehicle's overall performance and drivability. Ignoring these symptoms not only risks immediate safety but can also lead to decreased fuel efficiency and increased wear on the vehicle, resulting in higher repair costs over time. Therefore, it is crucial to diagnose and repair any cruise control malfunctions promptly, ensuring the vehicle remains reliable and safe for use. Taking swift action can prevent further damage and enhance the longevity of your Sprinter 2500, making it a wise decision for any DIY enthusiast or vehicle owner.

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2014 Mercedes-Benz Sprinter 2500 Cruise Control Fix