2014 Mercedes-Benz SLK350 Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2014 Mercedes-Benz SLK350

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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 2014 Mercedes-Benz SLK350 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 2014 Mercedes-Benz SLK350 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 2014 Mercedes-Benz SLK350?

To effectively diagnose the tire pressure warning light issue on your 2014 Mercedes-Benz SLK350, begin with a thorough check of the tire pressure in all four tires using a reliable tire pressure gauge. Ensure that each tire is inflated to the manufacturer's recommended levels, which can typically be found on a sticker located inside the driver's door jamb or in the owner's manual. Next, inspect the tires for any visible damage, such as punctures, cuts, or bulges, as these can lead to a drop in pressure and trigger the warning light. If the tire pressure is correct and the tires appear undamaged, proceed to reset the tire pressure monitoring system (TPMS) as outlined in your vehicle's manual, as this may resolve the issue. If the warning light remains illuminated, it could indicate a malfunctioning tire pressure sensor, which may require replacement. Should you find yourself unable to resolve the issue through these steps, it is advisable to consult a certified mechanic or dealership, as they possess the necessary tools and expertise to accurately diagnose and repair any underlying TPMS problems. By following this diagnostic approach, you can systematically address the tire pressure warning light issue and ensure your vehicle's safety on the road.

What could be causing the tire pressure warning light to stay on in a 2014 Mercedes-Benz SLK350?

When the tire pressure warning light stays on in a 2014 Mercedes-Benz SLK350, it can indicate several underlying issues that DIY enthusiasts can troubleshoot. The most common reason is low tire pressure, so the first step is to check and inflate all tires to the recommended levels. If the pressure is adequate, the next area to investigate is the tire pressure sensors; a malfunctioning sensor may need replacement or recalibration. Additionally, consider the possibility of dead batteries in the sensors, as this can prevent them from communicating effectively with the vehicle's system. It's also important to inspect the wiring and connections for any damage or corrosion, as these can disrupt the tire pressure monitoring system. If these steps do not resolve the issue, recalibrating the system according to the manufacturer's instructions may be necessary. Should the warning light remain illuminated after these checks, consulting a qualified mechanic is recommended for a comprehensive diagnosis and solution.

What immediate steps should be taken if the tire pressure warning light remains on in a 2014 Mercedes-Benz SLK350?

When the tire pressure warning light remains illuminated in your 2014 Mercedes-Benz SLK350, 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. Underinflated tires can lead to poor handling, increased tire wear, and even blowouts, which pose serious risks while driving. If you find any tires lacking air, inflate them to the recommended levels using a dependable air compressor. Additionally, inspect each tire for visible damage such as punctures or bulges, as these can compromise your vehicle's safety and performance. After addressing any pressure discrepancies or damage, reset the tire pressure monitoring system according to your owner's manual to ensure accurate readings moving forward. If the warning light persists despite these efforts, it is essential to consult a qualified mechanic or an authorized Mercedes-Benz service center. Ignoring this warning could lead to more significant issues with the tire pressure monitoring system, ultimately affecting your vehicle's safety and reliability. Taking these immediate steps not only enhances your driving experience but also safeguards your investment in your vehicle.

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