2022 Mercedes-Benz E350 Cruise Control Isn't Working

Fixing Cruise Control Issues in the 2022 Mercedes-Benz E350

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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 2022 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 2022 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 steps should I take to diagnose the non-functioning cruise control in my 2022 Mercedes-Benz E350?

To effectively diagnose the non-functioning cruise control in your 2022 Mercedes-Benz E350, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse located in the fuse box, as a blown fuse is a common and easily fixable issue that can halt the system's operation. Next, examine the cruise control buttons on the steering wheel for any signs of damage or sticking, as these can prevent the system from engaging. Following this, verify the functionality of the speed sensors, as faulty sensors can disrupt the cruise control's ability to maintain speed. 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 malfunctioning switches can inhibit cruise control activation. Finally, inspect the wiring and connections associated with the cruise control system for any damage or corrosion, as these can lead to failures. By following this structured diagnostic approach, you can efficiently identify and address the root cause of your cruise control issues.

What are the common problems that could cause the cruise control to stop working in a 2022 Mercedes-Benz E350?

When troubleshooting cruise control issues in a 2022 Mercedes-Benz E350, it's essential to understand the common problems that may be at play. One frequent culprit is a faulty speed sensor, which can disrupt the system's ability to maintain the desired speed. Additionally, a malfunctioning brake light switch can inadvertently disengage the cruise control when the brake pedal is pressed, leading to unexpected interruptions. Another potential issue lies with the throttle actuator, which is responsible for regulating engine communication with the cruise control system; any faults here can hinder functionality. It's also wise to check for a blown fuse, as this can completely disable the cruise control system. Lastly, problems with the steering wheel controls, such as worn-out buttons or switches, can prevent proper operation. By identifying and addressing these common issues, you can effectively restore the cruise control functionality in your vehicle.

How urgent is it to address the malfunctioning cruise control in a 2022 Mercedes-Benz E350?

Addressing a malfunctioning cruise control in a 2022 Mercedes-Benz E350 is of utmost importance due to the significant safety risks it poses. A faulty system can lead to unexpected acceleration or deceleration, which can result in dangerous driving conditions and increase the likelihood of accidents. Moreover, neglecting this issue can exacerbate the problem, potentially causing further damage to the vehicle's components and leading to more extensive and costly repairs down the line. Additionally, a malfunctioning cruise control detracts from the overall driving experience, making it inconvenient and frustrating to operate the vehicle. Therefore, it is crucial to prioritize the repair of the cruise control system to ensure not only your safety but also the longevity and performance of your vehicle.

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