2007 Mercedes-Benz R63 AMG Cruise Control Isn't Working

Fixing Cruise Control Issues in 2007 Mercedes-Benz R63 AMG

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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 2007 Mercedes-Benz R63 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 2007 Mercedes-Benz R63 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.

What are the steps to diagnose the non-functioning cruise control in a 2007 Mercedes-Benz R63 AMG?

To effectively diagnose the non-functioning cruise control in your 2007 Mercedes-Benz R63 AMG, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the Cruise Control Module, as this component is crucial for the system's operation. Next, verify the functionality of the speed sensor, since a malfunction here can directly impact cruise control performance. It's also essential to check the brake pedal switch, as a faulty switch can inadvertently disable the cruise control. Additionally, examine the vehicle's fuses for any blown ones that might disrupt the system's electrical flow. If the cruise control activates but the indicator ring continues to flash, observe whether it stops after a brief period, as this could indicate a temporary issue rather than a malfunction. If these steps do not resolve the problem, it may be time to consult a professional service and maintenance team for further assistance. By following this diagnostic approach, you can efficiently identify and address the underlying issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 2007 Mercedes-Benz R63 AMG?

When dealing with a malfunctioning cruise control system in a 2007 Mercedes-Benz R63 AMG, it's essential to understand the common problems that could be at play. One frequent culprit is a faulty brake light switch, which can prevent the cruise control from engaging by failing to signal when the brake pedal is pressed. Additionally, issues with the speed sensor can disrupt the system's ability to maintain speed, as it relies on accurate readings to function correctly. Another potential issue is vacuum leaks within the cruise control system, which can interfere with its operation. A defective cruise control module may also be to blame, as it is responsible for the system's overall functionality and may require replacement if found faulty. Lastly, electrical problems, such as blown fuses or wiring issues, can significantly impact the cruise control's performance. By diagnosing these common issues, DIYers can effectively restore the cruise control functionality in their vehicle.

How urgent is it to repair the non-functioning cruise control in a 2007 Mercedes-Benz R63 AMG?

When evaluating the urgency of repairing the non-functioning cruise control in your 2007 Mercedes-Benz R63 AMG, it is essential to recognize the implications of neglecting this issue. While it may not pose an immediate safety risk compared to other mechanical failures, the absence of cruise control can lead to increased driver fatigue, particularly on long trips, which can compromise overall road safety. Additionally, the comfort of your driving experience is significantly enhanced by cruise control, allowing for a more relaxed journey without the constant need to apply pressure to the accelerator. Furthermore, if you plan to sell or trade in your vehicle in the future, a fully operational cruise control system can positively influence its resale value. Therefore, while the urgency may not be as pronounced as with critical mechanical failures, addressing the cruise control issue promptly is advisable to ensure a safer, more comfortable driving experience and to help maintain the vehicle's value over time.

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