2016 Mercedes-Benz SL65 AMG Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2016 Mercedes-Benz SL65 AMG for Optimal Performance

Find Repair Location
Reviewed by
Devin Cabugcal
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 2016 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 2016 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 tire pressure warning light issue on my 2016 Mercedes-Benz SL65 AMG?

To effectively diagnose the tire pressure warning light issue on your 2016 Mercedes-Benz SL65 AMG, begin with a thorough check of the tire pressure across all four tires. Utilize a reliable tire pressure gauge to ensure that each tire is inflated to the manufacturer's recommended levels, which can typically be found in the owner's manual or on a sticker located inside the driver's side door jamb. Following this, inspect the tires for any visible signs of damage, such as punctures, cuts, or bulges, as these can lead to pressure loss and trigger the warning light. If the tire pressure is correct and no damage is evident, the next step is to reset the tire pressure monitoring system (TPMS), which may require consulting your vehicle's manual for specific instructions. Should the warning light persist, it may indicate a malfunction with the tire pressure monitoring sensor, necessitating a professional assessment. If you are unable to resolve the issue through these initial steps, it is advisable to seek assistance from a certified mechanic or dealership for a comprehensive diagnosis. By following this structured approach, you can efficiently identify and address the cause of the tire pressure warning light on your vehicle.

What could be causing the tire pressure warning light to stay on in a 2016 Mercedes-Benz SL65 AMG?

When the tire pressure warning light stays illuminated in a 2016 Mercedes-Benz SL65 AMG, it can signal several underlying issues that DIY enthusiasts should consider. The most common reason is low tire pressure, which can occur due to punctures, leaks, or simply the natural loss of air over time. It's crucial to start by checking the tire pressure with a reliable gauge to ensure all tires are properly inflated. If the pressure levels are adequate, the problem may stem from a faulty tire pressure sensor, which can malfunction and trigger the warning light even when tire conditions are normal. Additionally, sensor calibration issues might arise, requiring recalibration to ensure accurate readings. Electrical faults within the tire pressure monitoring system can also cause the warning light to persist, potentially necessitating diagnostic testing to identify the specific issue. Lastly, a malfunctioning control module responsible for monitoring tire pressure could be the culprit, which may need replacement. If these DIY troubleshooting steps do not resolve the warning light, it is advisable to seek assistance from a qualified mechanic or authorized service center for a comprehensive inspection and effective solutions.

What immediate steps should be taken if the tire pressure warning light remains on in a 2016 Mercedes-Benz SL65 AMG?

When the tire pressure warning light remains illuminated in your 2016 Mercedes-Benz SL65 AMG, it is crucial to act promptly to avoid potential safety hazards and costly repairs. Ignoring this warning can lead to decreased vehicle performance, increased tire wear, and even tire blowouts, which pose serious risks on the road. Start by checking the tire pressure in all four tires with a reliable gauge, ensuring they meet the manufacturer's specifications found in the owner's manual or on the door jamb sticker. If you discover any discrepancies, adjust the pressure accordingly, as maintaining the correct tire pressure is vital for optimal handling and fuel efficiency. Next, inspect each tire for visible damage, such as punctures or bulges, which could compromise safety. If you make any adjustments or repairs, remember to reset the tire pressure monitoring system to clear the warning light. However, if the light persists despite your efforts, it is essential to consult a qualified mechanic, as there may be a deeper issue with the monitoring system that requires professional attention. Taking these immediate steps not only ensures your safety but also helps maintain the longevity and performance of your vehicle.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.