1996 Mercedes-Benz S600 Cruise Control Isn't Working

Fixing Cruise Control Issues in 1996 Mercedes-Benz S600

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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 1996 Mercedes-Benz S600 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 1996 Mercedes-Benz S600 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 initial diagnostic steps to troubleshoot the non-functional cruise control in a 1996 Mercedes-Benz S600?

When faced with a non-functional cruise control in a 1996 Mercedes-Benz S600, it's crucial to adopt a systematic diagnostic approach. Begin by checking the fuse associated with the cruise control system, as a blown fuse is a common and easily fixable issue. Next, inspect the wiring for any visible damage or loose connections, since faulty wiring can disrupt the system's operation. Testing the cruise control switch is also essential; if it’s malfunctioning, it may prevent the system from engaging. Given the age of the vehicle, don’t overlook the vacuum lines, which can develop leaks or damage over time, affecting the cruise control's functionality. Utilizing a diagnostic scanner to check for error codes can provide valuable insights into specific problems within the system. Finally, examine the cruise control module for any signs of damage or corrosion, as a defective module can be the root cause of the malfunction. By following these steps, you can effectively troubleshoot and potentially resolve the cruise control issue in your Mercedes-Benz S600.

What are the common problems that could cause the cruise control to stop working in a 1996 Mercedes-Benz S600?

When troubleshooting the cruise control system in a 1996 Mercedes-Benz S600, it's essential to consider several common issues that could be at play. One of the first things to check is the brake light switch, as a faulty switch can prevent the cruise control from engaging by failing to signal that the brakes are not applied. Additionally, inspect for vacuum leaks, which can disrupt the system's ability to maintain speed. A defective speed sensor is another critical component to examine, as it can lead to inaccurate speed readings and cause the cruise control to malfunction. Don't overlook the possibility of a blown fuse, which can completely disable the cruise control feature. Lastly, issues with the throttle cable, such as damage or sticking, can also hinder the system's performance. By systematically checking these components, DIYers can effectively diagnose and potentially resolve the cruise control issues in their vehicle.

How urgent is it to address the non-functioning cruise control in a 1996 Mercedes-Benz S600?

Addressing the non-functioning cruise control in a 1996 Mercedes-Benz S600 is crucial for several reasons. First and foremost, safety is a primary concern; a malfunctioning cruise control system can lead to erratic speed changes, increasing the risk of accidents and compromising the driver's ability to maintain focus on the road. Additionally, the comfort and convenience that cruise control provides during long drives cannot be overlooked; it allows drivers to relax and enjoy the journey without the constant need for manual speed adjustments. Furthermore, a malfunctioning system may indicate deeper issues within the vehicle's electrical or engine systems, which, if left unaddressed, could lead to more severe and costly repairs. Therefore, it is essential to prioritize the repair of the cruise control system to ensure a safe, comfortable driving experience and to prevent further complications.

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Diagnose Cruise Control Issues in 1996 Mercedes-Benz S600