2013 Mercedes-Benz C350 Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2013 Mercedes-Benz C350

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Reviewed by
Devin Cabugcal
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 C350 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 C350 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 are the initial diagnostic steps to troubleshoot the non-functioning cruise control in a 2013 Mercedes-Benz C350?

When troubleshooting the non-functioning cruise control in a 2013 Mercedes-Benz C350, it's essential to adopt a systematic diagnostic approach. Start by checking the cruise control fuse in the fuse box, as a blown fuse is a common and easily fixable issue. Next, ensure that the cruise control settings are correctly configured; sometimes, the system may not engage simply due to incorrect settings. If these initial checks do not resolve the problem, use a diagnostic scanner to look for any error codes that could indicate deeper issues within the cruise control system. Additionally, inspect the cruise control buttons on the steering wheel to confirm they are not stuck or malfunctioning, as this can prevent activation. Finally, verify the brake pedal switch, since a faulty switch can inhibit the cruise control from engaging. By following these steps, you can effectively narrow down the potential causes of the cruise control malfunction and take appropriate action to restore functionality.

What are the common problems that could cause the cruise control to stop working in a 2013 Mercedes-Benz C350?

When the cruise control in your 2013 Mercedes-Benz C350 stops functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is a faulty brake light switch, which can prevent the system from engaging if it fails to detect when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the cruise control's ability to maintain a constant speed, leading to its failure. Another potential problem is a malfunctioning throttle actuator, which is crucial for regulating speed. Electrical problems, such as blown fuses or wiring issues, can also interfere with the cruise control system's operation. Lastly, vacuum leaks in the engine can cause fluctuations in power, impacting the cruise control's performance. By systematically checking these components, you can identify and resolve the issue, restoring your cruise control to proper working order.

How urgent is it to address the non-functioning cruise control in a 2013 Mercedes-Benz C350?

When it comes to the non-functioning cruise control in a 2013 Mercedes-Benz C350, understanding the urgency of the situation is crucial for any DIY enthusiast. While the immediate safety risks may not be apparent, neglecting this issue can lead to a series of inconveniences and complications. A malfunctioning cruise control system can detract from the overall driving experience, making long trips more tiring and less efficient. Moreover, if left unaddressed, the problem could escalate, potentially affecting other electronic systems within the vehicle, which may result in more extensive and costly repairs down the line. Therefore, it is advisable to prioritize the inspection and repair of the cruise control system to maintain the vehicle's functionality and ensure a comfortable driving experience. Taking action sooner rather than later can save you from future headaches and expenses, making it a wise choice for any car owner.

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