2023 Mercedes-Benz EQE 350+ SUV Cruise Control Isn't Working

Fix Cruise Control Malfunctions in 2023 Mercedes-Benz EQE 350+ SUV

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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 2023 Mercedes-Benz EQE 350+ SUV 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.

What steps should I take to diagnose the cruise control issue in my 2023 Mercedes-Benz EQE 350+ SUV?

To effectively diagnose the cruise control issue in your 2023 Mercedes-Benz EQE 350+ SUV, begin by ensuring that the cruise control settings are correctly configured and activated. This initial step is crucial, as incorrect settings can often be the simplest explanation for malfunction. Next, inspect the cruise control buttons on the steering wheel to confirm they are functioning properly; any signs of wear or damage could indicate a problem. If these checks do not reveal the issue, proceed to verify the speed sensor's functionality, as it is essential for the cruise control system to operate correctly. Utilizing a diagnostic tool to scan for error codes can provide valuable insights into any underlying issues affecting the cruise control system. Additionally, check the fuse related to the cruise control to ensure it is intact, as a blown fuse can disrupt functionality. If the problem persists, testing the cruise control module will help determine if it is sending the correct signals necessary for operation. Should these steps not resolve the issue, consulting a professional mechanic or an authorized Mercedes-Benz service center is advisable for expert assistance. By following this structured diagnostic approach, you can systematically identify and address the cruise control problem in your vehicle.

What are the common problems that could cause the cruise control to malfunction in a 2023 Mercedes-Benz EQE 350+ SUV?

When dealing with cruise control malfunctions in the 2023 Mercedes-Benz EQE 350+ SUV, it's essential to recognize the various common problems that can arise. One significant issue is sensor malfunction, where the sensors responsible for detecting speed and distance may fail, leading to erratic behavior or complete system failure. Additionally, electrical faults, such as damaged wiring or loose connectors, can disrupt the cruise control's operation, making it crucial to inspect these components regularly. Software glitches are another potential culprit; updates or resets may be necessary to resolve these issues. Mechanical problems, particularly with the throttle or brake systems, can also hinder the cruise control's ability to maintain speed, so checking these parts for wear and tear is advisable. Lastly, a faulty brake light switch can prevent the cruise control from engaging or disengaging correctly, which is a relatively simple fix that can significantly impact functionality. By understanding these common problems, DIY enthusiasts can take proactive steps to troubleshoot and maintain their vehicle's cruise control system effectively.

How urgent is it to address the malfunctioning cruise control in my 2023 Mercedes-Benz EQE 350+ SUV?

When it comes to the malfunctioning cruise control in your 2023 Mercedes-Benz EQE 350+ SUV, the urgency of addressing this issue cannot be overstated. A malfunctioning system can lead to unexpected acceleration or deceleration, creating a significant safety hazard on the road. This unpredictability not only compromises your safety but also that of other drivers and passengers. Additionally, neglecting this problem can adversely affect your overall driving experience, making it inconvenient to utilize this feature as intended. Beyond immediate safety concerns, ignoring cruise control issues may result in more extensive damage to your vehicle's systems, leading to costly repairs down the line. Furthermore, timely repairs are crucial for maintaining the resale value of your SUV, as potential buyers are likely to be wary of vehicles with unresolved mechanical issues. Therefore, it is essential to have the malfunction diagnosed and repaired by a qualified technician as soon as possible to ensure your vehicle remains safe, reliable, and valuable.

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