2013 Mercedes-Benz E400 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2013 Mercedes-Benz E400

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Reviewed by
Andrew Hajjar
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 E400 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 E400 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-functional cruise control in a 2013 Mercedes-Benz E400?

When troubleshooting the non-functional cruise control in a 2013 Mercedes-Benz E400, it's essential to adopt a systematic diagnostic approach that prioritizes simpler checks before delving into more complex issues. Start by inspecting the cruise control fuse in the fuse box to ensure it is intact, as a blown fuse can often be the simplest explanation for the malfunction. Next, verify that the cruise control settings are correctly configured on the dashboard or steering wheel controls, as incorrect settings can prevent the system from engaging. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues within the vehicle's onboard computer. Additionally, examine the cruise control switch on the steering wheel for any signs of damage or malfunction, as this component is crucial for operation. It's also important to test the brake pedal switch, since the cruise control system is designed to disengage when the brake is pressed, and a faulty switch could be the culprit. Lastly, ensure that the vehicle speed sensor is functioning correctly, as it relays speed information necessary for the cruise control system to operate effectively. By following these steps, you can methodically identify and address the issues affecting the cruise control system in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2013 Mercedes-Benz E400?

When troubleshooting the cruise control system in a 2013 Mercedes-Benz E400, it's essential to understand the common problems that may lead to its failure. One prevalent issue is a faulty brake light switch, which can disrupt the system's ability to engage, as it may not accurately detect when the brake pedal is pressed. Additionally, problems with the speed sensor can hinder the cruise control's functionality, since the system relies on precise speed readings to maintain a constant pace. Another potential culprit is a malfunctioning throttle actuator, which can prevent the cruise control from sustaining the desired speed. Furthermore, issues with the cruise control module itself, such as electrical faults or component failures, can also result in operational problems. Lastly, vacuum leaks in the engine can significantly impact the cruise control system, as it depends on vacuum pressure for effective operation. By identifying and addressing these common issues, you can effectively diagnose and resolve the cruise control problems in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2013 Mercedes-Benz E400?

Addressing a malfunctioning cruise control system in your 2013 Mercedes-Benz E400 is not just a matter of convenience; it is a critical safety concern that requires immediate attention. A malfunction can lead to unpredictable acceleration or deceleration, significantly increasing the risk of accidents on the road. Moreover, the inability to rely on cruise control can detract from the overall driving experience, making long journeys more stressful and less enjoyable. Ignoring these symptoms can also exacerbate the problem, potentially leading to more extensive damage to the vehicle's electronic systems, which could result in expensive repairs down the line. Therefore, it is essential to prioritize the diagnosis and repair of cruise control issues to ensure both your safety and the longevity of your vehicle.

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2013 Mercedes-Benz E400 Cruise Control Issues & Repairs