2011 Mercedes-Benz E350 Cruise Control Isn't Working

Fixing Cruise Control Issues in Your 2011 Mercedes-Benz E350

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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 2011 Mercedes-Benz E350 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 2011 Mercedes-Benz E350 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 steps to diagnose the non-functioning cruise control in a 2011 Mercedes-Benz E350?

When diagnosing the non-functioning cruise control in a 2011 Mercedes-Benz E350, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin 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 for any signs of damage or sticking, as these can directly affect the system's ability to engage. Following this, verify the functionality of the speed sensors, since faulty sensors can disrupt the cruise control's operation. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into any underlying issues. Additionally, ensure that the brake and clutch switches are functioning correctly, as these components play a crucial role in activating the cruise control. Finally, inspect the wiring and connections associated with the cruise control system for any damage or corrosion, as compromised wiring can lead to significant problems. By methodically following these steps, you can effectively identify and address the root cause of the cruise control malfunction in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2011 Mercedes-Benz E350?

When troubleshooting the cruise control system in a 2011 Mercedes-Benz E350, it's essential to understand the common problems that may lead to its failure. 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 functionality, as the system relies on accurate speed readings to maintain the desired speed. Another potential issue is vacuum leaks, which can cause the cruise control to disengage unexpectedly by affecting its ability to maintain a steady speed. Furthermore, a defective cruise control module may hinder the system's performance, making it difficult to engage or hold the set speed. Lastly, electrical problems, such as blown fuses or wiring issues, can also interfere with the operation of the cruise control system. By identifying and addressing these common problems, you can effectively troubleshoot and restore the functionality of the cruise control in your vehicle.

How urgent is it to address the non-functioning cruise control in a 2011 Mercedes-Benz E350?

Addressing a non-functioning cruise control in a 2011 Mercedes-Benz E350 should not be overlooked, even if it may not seem as urgent as other critical vehicle issues. While the immediate safety risks may be lower compared to malfunctioning brakes or steering, neglecting this problem can lead to significant inconveniences, especially during long drives where cruise control is typically utilized. Furthermore, delaying repairs could allow underlying issues to worsen, potentially resulting in more extensive and costly repairs down the line. By tackling the cruise control malfunction promptly, you not only enhance your driving experience but also safeguard the overall performance and reliability of your vehicle. Therefore, it is advisable to investigate and resolve any cruise control issues as soon as they arise to maintain both safety and efficiency on the road.

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Diagnose Cruise Control Issues in 2011 Mercedes-Benz E350