2013 Mercedes-Benz SL65 AMG Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2013 Mercedes-Benz SL65 AMG: Causes and Solutions

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Tire Leaking Air
0%
30% chance it's the
Wheel Leaking Air
0%
15% chance it's the
Tire Pressure Monitoring System
0%
15% chance it's
Something else
The most common reasons a 2013 Mercedes-Benz SL65 AMG tire pressure warning light stays on are a leaking tire, a wheel that no longer holds air, or a faulty tire pressure monitoring system.
  • Tire Leaking Air: A puncture, valve stem issue, or rim damage can cause a tire to leak air, leading to loss of pressure.
  • Wheel Leaking Air: A puncture or damage to the tire or rim can cause air to leak, resulting in a loss of tire pressure.
  • Tire Pressure Monitoring System: A malfunctioning tire pressure monitoring system can be caused by faulty sensors or a dead battery in the sensor units.
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 2013 Mercedes-Benz SL65 AMG tire pressure warning light stays on?

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.

When a tire pressure monitoring sensor fails, the tire pressure monitoring system control module will recognize a loss in communication and turn on the warning lamp which indicates the failure. This is most often the case. However, the tire pressure monitoring sensor may also fail by reporting incorrect tire pressures. This could cause a flat tire to go unrecognized, or a properly inflated tire to signal a low or high tire pressure warning.

When a relearn is needed, for any reason, the TPMS warning light will illuminate, and many vehicles will display a message relating to the TPMS system being inoperative or loosing communication. It is important to keep a watchful eye on tire pressures when this system is having issues because there is no warning available for underinflation or overinflation of the tires.

Wheels offer very few symptoms, but these symptoms should never be ignored. Visible cracks on the wheels may appear, especially after hitting a large bump, Most often, this will also be accompanied by loss of air from the tire on that wheel. Also, vibration in the steering wheel is very common when the tire is out of balance, and improper wheel nuts or bolts can cause creaking and popping noises to develop. Again, there are very few symptoms, but they should not be ignored.

The only symptoms of a TPMS control module failure are failing to alert the driver of underinflation or overinflation of one or more tires, failure to communicate with the body control module or TPMS sensors, or erroneously reporting incorrect tire pressure.

The only symptoms requiring diagnosis for the tire pressure monitoring system warning lamp is if the warning lamp has illuminated while the tires have correct air pressure, or if the air pressure for the tires is out of specification and the warning lamp is off. This is because the overwhelming majority of cases where the TPMS lamp illuminates is due to the change in ambient temperature.

What steps should I take to diagnose the persistent tire pressure warning light on my 2013 Mercedes-Benz SL65 AMG?

To effectively diagnose the persistent tire pressure warning light on your 2013 Mercedes-Benz SL65 AMG, start with the simplest solutions before moving on to more complex diagnostics. Begin by checking the tire pressure of all four tires, ensuring they are inflated to the manufacturer's recommended levels, as low pressure is a common trigger for the warning light. Next, visually inspect each tire for any signs of damage or punctures that could lead to air loss. If the tires appear to be in good condition, proceed to reset the tire pressure monitoring system following the instructions in your vehicle's manual, as this can sometimes resolve the issue. Additionally, examine the tire pressure sensors for any visible damage or malfunction, as faulty sensors can also cause the warning light to remain illuminated. If these steps do not resolve the issue, it may be necessary to consult a certified mechanic or dealership for a comprehensive inspection and diagnosis, ensuring that any underlying problems are addressed promptly. By following this diagnostic approach, you can systematically identify and resolve the cause of the tire pressure warning light.

What could be causing the tire pressure warning light to stay on in a 2013 Mercedes-Benz SL65 AMG?

When the tire pressure warning light stays illuminated in a 2013 Mercedes-Benz SL65 AMG, it is essential to identify the underlying issues that may be causing this alert. The most common reason is low tire pressure, which can be easily remedied by checking and inflating the tires to the recommended levels specified in the owner's manual. If the tire pressure is adequate, the problem might stem from a faulty tire pressure sensor that fails to provide accurate readings, necessitating either a replacement or recalibration of the sensor. Additionally, the batteries within the tire pressure sensors may be depleted, requiring replacement to ensure proper functionality. In some instances, electrical issues within the vehicle's system could also trigger the warning light, which may need a diagnostic check by a qualified mechanic to accurately diagnose and resolve the problem. It is crucial to address these issues promptly to maintain the safety and performance of the vehicle; therefore, if the warning light remains on after checking the tire pressure, consulting a professional is highly recommended.

How urgent is it to address the tire pressure warning light on a 2013 Mercedes-Benz SL65 AMG that stays on?

Addressing the tire pressure warning light on your 2013 Mercedes-Benz SL65 AMG is not just a matter of convenience; it is a critical safety concern that requires immediate attention. Ignoring this warning can lead to dangerous driving conditions, as improper tire pressure significantly affects vehicle handling and braking capabilities. This can increase the likelihood of accidents, putting both the driver and passengers at risk. Additionally, neglecting to check and correct tire pressure can result in uneven tire wear, which not only shortens the lifespan of your tires but also leads to costly replacements. Furthermore, underinflated tires can severely impact fuel efficiency, causing you to spend more on gas over time. The performance of your vehicle, especially in adverse weather conditions, relies heavily on maintaining the correct tire pressure. Lastly, a persistent warning light may indicate a malfunction in the Tire Pressure Monitoring System (TPMS), which could prevent accurate readings in the future. Therefore, it is essential to promptly address the tire pressure warning light to ensure your vehicle operates safely and efficiently.

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2013 Mercedes-Benz SL65 AMG Tire Pressure Warning Solutions