1995 Mercedes-Benz C220 Cruise Control Isn't Working

Fixing Cruise Control Issues in 1995 Mercedes-Benz C220

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Reviewed by
Andrew Hajjar
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 1995 Mercedes-Benz C220 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 1995 Mercedes-Benz C220 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 1995 Mercedes-Benz C220?

To effectively diagnose the non-functioning cruise control in your 1995 Mercedes-Benz C220, start by inspecting the control module and associated sensors, as these are often the culprits behind cruise control failures. Ensure that warning lights such as the check engine, seat belt, and SRS lights are not illuminated, as these can indicate underlying issues that may affect the cruise control system. Next, check for common problems like a faulty control module, sensor malfunctions, or throttle actuation issues. Utilize a test light to confirm that power is reaching the cruise control system, which is crucial for its operation. If you notice the ABS light is on, this could be related to the cruise control malfunction, so address that issue as well. If initial checks do not resolve the problem, consider swapping out components like the control module or throttle actuator with known working parts to isolate the issue. For any SRS light concerns, it may be necessary to consult a dealer, as specialized tools are often required for proper diagnostics. By following this structured approach, you can systematically identify and address the issues affecting your cruise control system.

What are the common problems that could cause the cruise control to stop working in a 1995 Mercedes-Benz C220?

When dealing with cruise control issues in a 1995 Mercedes-Benz C220, it's essential to understand the common problems that may arise. One frequent culprit is a faulty brake light switch, which can prevent the cruise control from engaging, as this switch is designed to disengage the system when the brakes are applied. Additionally, vacuum leaks within the cruise control system can disrupt its functionality, often stemming from worn hoses or loose connections. Another critical component to check is the speed sensor; if it fails to accurately detect the vehicle's speed, the cruise control will struggle to maintain a consistent pace. Electrical issues, such as blown fuses or damaged wiring, can also lead to system failures, so inspecting these components is vital. Lastly, the throttle cable should be examined for any signs of fraying or misadjustment, as these can hinder the cruise control's operation. By systematically addressing these potential issues, DIYers can effectively troubleshoot and restore the cruise control functionality in their vehicle.

How urgent is it to repair the non-functioning cruise control in a 1995 Mercedes-Benz C220?

While the cruise control system in your 1995 Mercedes-Benz C220 may not seem like an urgent repair, neglecting it can lead to several consequences that warrant timely attention. First and foremost, a malfunctioning cruise control can diminish your driving comfort, especially during long trips where maintaining a consistent speed is crucial for reducing fatigue. Additionally, if you plan to sell your vehicle in the future, a fully operational cruise control system can significantly enhance its resale value, making it more appealing to potential buyers. Furthermore, issues with the cruise control may be symptomatic of broader electrical problems within the vehicle, which could escalate if left unaddressed. Therefore, while it may not be an immediate emergency, it is wise to have the cruise control system diagnosed by a qualified mechanic to prevent further complications and ensure your vehicle remains in optimal condition.

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