2022 Mercedes-Benz SL55 AMG Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2022 Mercedes-Benz SL55 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 2022 Mercedes-Benz SL55 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 2022 Mercedes-Benz SL55 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 in my 2022 Mercedes-Benz SL55 AMG?

To effectively diagnose the tire pressure warning light issue in your 2022 Mercedes-Benz SL55 AMG, begin with the simplest solutions before progressing to more complex diagnostics. Start by manually checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring that the readings align with the manufacturer's recommended levels found in your owner's manual or on the sticker located inside the driver's door jamb. Next, conduct a visual inspection of the tires for any signs of damage, such as punctures, cuts, or bulges, which could indicate a loss of pressure. Don’t overlook the valve stems; inspect them for any visible damage or leaks, as faulty valve stems can also contribute to pressure loss. If these initial checks do not resolve the warning light issue, consider utilizing a Tire Pressure Monitoring System (TPMS) tool to identify any sensor malfunctions or errors within the system. Should you still be unable to pinpoint the cause after these steps, it is wise to consult a certified mechanic or dealership for a comprehensive inspection and diagnosis of the TPMS system. By following this structured approach, you can efficiently address the tire pressure warning light and maintain the safety and performance of your vehicle.

What could cause the tire pressure warning light to remain on in a 2022 Mercedes-Benz SL55 AMG?

When the tire pressure warning light remains on in a 2022 Mercedes-Benz SL55 AMG, it can indicate several common issues that DIY enthusiasts should investigate. The most prevalent cause is low tire pressure, which can result from slow leaks, temperature changes, or natural air loss over time. Start by checking the pressure in each tire with a reliable gauge to ensure they meet the manufacturer's recommended levels. If the pressure is sufficient, the next step is to consider the possibility of a faulty tire pressure sensor, which may not be accurately detecting the tire pressure. Inspecting the sensors for any visible damage or malfunction is essential. Additionally, if you've recently rotated or replaced tires, sensor calibration issues may arise, requiring a recalibration to ensure accurate readings. Electrical or wiring problems can also affect the tire pressure monitoring system, so it's wise to examine the connections for any signs of wear or damage. Lastly, if you've recently replaced the vehicle's battery, this could inadvertently trigger the warning light, necessitating a reset of the tire pressure monitoring system. Addressing these issues promptly is vital for the safety and performance of your vehicle, and while some problems can be resolved at home, consulting a professional may be necessary for more complex repairs.

What immediate steps should be taken if the tire pressure warning light remains on in a 2022 Mercedes-Benz SL55 AMG?

When the tire pressure warning light remains illuminated in your 2022 Mercedes-Benz SL55 AMG, it is crucial to act promptly to avoid potential safety hazards and costly repairs. 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 tires are underinflated, use a dependable air compressor to inflate them to the correct levels. Additionally, visually inspect each tire for signs of damage, such as punctures or bulges, as these can compromise safety and performance. After addressing any pressure discrepancies or damage, reset the tire pressure monitoring system through the vehicle's onboard menu, following the instructions in the manual. If the warning light persists despite these efforts, it is essential to seek professional assistance, as neglecting this issue could lead to further complications, including tire failure or diminished vehicle handling. Taking these immediate steps not only enhances your safety on the road but also helps maintain the integrity of your vehicle.

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