2001 Mercedes-Benz S500 Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2001 Mercedes-Benz S500 and How to Fix Them

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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 2001 Mercedes-Benz S500 cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in 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 acceleration and poor engine 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 2001 Mercedes-Benz S500 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.

How urgent is it to repair the non-functioning cruise control in a 2001 Mercedes-Benz S500?

Repairing the non-functioning cruise control in a 2001 Mercedes-Benz S500 is not just a matter of convenience; it is a critical safety concern that should be addressed promptly. When cruise control fails, drivers are forced to manually regulate their speed, which can lead to fatigue during long drives and increase the risk of accidents. Moreover, a malfunctioning cruise control system may indicate deeper issues within the vehicle, such as problems with the control module, sensors, or throttle actuation. Ignoring these symptoms can result in more severe complications, potentially compromising the vehicle's overall performance and safety. Therefore, it is essential to prioritize the inspection and repair of the cruise control system to ensure a smooth and safe driving experience. Taking action now can prevent further damage and enhance the longevity of your vehicle.

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2001 Mercedes-Benz S500 Cruise Control Issues & Repair Costs