Mercedes-Benz E53 AMG Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your Mercedes-Benz E53 AMG and How to Fix Them

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
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25% chance it's the
Control Module
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25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a Mercedes-Benz E53 AMG 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 Mercedes-Benz E53 AMG 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.

Troubleshooting Cruise Control Issues in a Mercedes-Benz E53 AMG

When troubleshooting cruise control issues in your Mercedes-Benz E53 AMG, it's crucial to follow a structured diagnostic approach to identify and resolve the problem efficiently. Begin by examining the brake light switch, as this component can significantly impact cruise control functionality, even if the brake lights seem operational. If the brake light switch checks out, proceed to inspect the ABS wheel speed sensor, since its failure can completely disable the cruise control system. Once these simpler components are ruled out, delve into the throttle actuation system and the control module, as malfunctions in these areas can lead to more intricate issues. Additionally, pay attention to the spiral cable within the steering wheel, as any defects here can disrupt communication between the cruise control switch and the system. Finally, consider the possibility of electrical issues, such as faulty connectors or wiring, which can also interfere with cruise control operation. By methodically assessing these components, you can effectively diagnose and rectify cruise control problems, enhancing your driving experience.

What Are the Common Causes of Cruise Control Malfunction in a Mercedes-Benz E53 AMG?

When experiencing cruise control malfunctions in a Mercedes-Benz E53 AMG, it's essential to understand the common problems that may be at play. One frequent culprit is a failed control module, which can disrupt the entire cruise control system. Additionally, issues with the brake pedal switch are prevalent; if this switch is defective, it can inadvertently signal the system to disengage. Other potential causes include a dead battery or a faulty ABS wheel speed sensor, both of which can interfere with the cruise control's functionality. It's also important to consider engine or transmission problems, as these can lead to the cruise control shutting off unexpectedly, particularly if the engine light is illuminated. Warning lights such as ESP and ABS, along with messages indicating that "Cruise Control is Inoperative," often point to deeper issues within the system. Lastly, malfunctions in components like the brake light switch, wheel speed sensor, steering angle sensor, and yaw switch can further complicate matters. By diagnosing these common issues, DIY enthusiasts can take the necessary steps to restore their cruise control system to proper working order.

Why is the Cruise Control Not Working in a Mercedes-Benz E53 AMG?

When the cruise control in your Mercedes-Benz E53 AMG is not functioning, it is crucial to address the issue promptly to ensure both your safety and the vehicle's performance. Common problems such as a failed control module, malfunctioning sensors, or issues with the brake light switch can lead to the cruise control system becoming inoperative. Additionally, a failure in the ABS wheel speed sensors can not only disable cruise control but also impact other critical systems like ABS and stability control, which are vital for safe driving. If you notice any irregularities, such as the cruise control disengaging unexpectedly or not activating at all, it is essential to investigate these symptoms immediately. Ignoring these signs could lead to more significant issues down the line, including potential safety hazards while driving. Therefore, taking the time to troubleshoot these areas—such as checking the throttle actuation and ensuring the correct tire sizes—can help you identify the root cause and restore functionality to your cruise control system, enhancing your driving experience and maintaining the integrity of your vehicle.

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