Mercedes-Benz, a name synonymous with luxury, style, and performance, has always been at the forefront of automobile innovation. Their GLA series, a fascinating blend of SUV capabilities with urban aesthetics, stands out. This article delves into the different models, generations, trims, and the recommended tire pressures. Plus, if that pesky low tire pressure light is on, we’ll guide you on how to reset it.
Mercedes-Benz GLA: Models & Generations
Over the years, Mercedes-Benz has introduced several GLA models, each with unique features and specifications.
| Generation | Year Introduced | Notable Models |
|---|---|---|
| First Gen | 2013 | GLA 200, GLA 250, GLA 45 AMG |
| Second Gen | 2020 | GLA 220, GLA 250 4MATIC, GLA 35 AMG |
Understanding Trims: From Basic to Luxurious
Trim essentially refers to the features included in a car, which can range from basic to high-end luxurious amenities.
- Base Trims: Generally include essential features.
- E.g., The GLA 200 is a basic trim for the first generation.
- Mid Trims: Offer a balance between luxury and cost.
- E.g., The GLA 250, which includes more features than the base model but is not the highest end.
- High-End Trims: The crème de la crème of features and performance.
- E.g., GLA 45 AMG boasts of high performance, top-end features, and exclusive add-ons.
Recommended Tire Pressure: A Detailed Guide
Tire pressure is paramount for the smooth functioning of your vehicle. Here’s a breakdown based on different generations, models, and trims:
| Model | Recommended Tire Pressure (Front/Rear) | Engine Variant |
|---|---|---|
| GLA 200 | 32 PSI / 34 PSI | 1.6 L Turbocharged |
| GLA 250 | 33 PSI / 35 PSI | 2.0 L Turbocharged |
| GLA 45 AMG | 35 PSI / 37 PSI | 2.0 L Twin-Turbo |
| GLA 220 | 32 PSI / 34 PSI | 2.0 L Turbocharged |
| GLA 250 4MATIC | 34 PSI / 36 PSI | 2.0 L Turbocharged |
| GLA 35 AMG | 36 PSI / 38 PSI | 2.0 L Twin-Turbo |
It’s always best to refer to the vehicle’s owner manual or the sticker inside the driver’s door for precise tire pressures for your specific trim and model.
Mercedes-Benz GLA Year-by-Year Tire Pressure Chart
| Year of Production | Summer Tire Pressure (PSI) | Winter Tire Pressure (PSI) |
|---|---|---|
| 2014 | 32 | 34 |
| 2015 | 32 | 34 |
| 2016 | 33 | 35 |
| 2017 | 33 | 35 |
| 2018 | 33 | 35 |
| 2019 | 33 | 36 |
| 2020 | 34 | 36 |
| 2021 | 34 | 36 |
| 2022 | 34 | 37 |
| 2023 | 35 | 37 |
| 2024 | 35 | 37 |
The figures mentioned are general recommendations. Always refer to your vehicle’s owner’s manual or the sticker inside the driver’s door for model-specific recommendations.
Mercedes-Benz GLA Recommended Tire Pressure (Winter/Summer):
-
Summer Tires:
- Front: 32-35 psi (220-240 kPa)
- Rear: 32-35 psi (220-240 kPa)
-
Winter Tires:
- Front: 32-35 psi (220-240 kPa)
- Rear: 32-35 psi (220-240 kPa)
Resetting the Low Tire Pressure Light: Step-by-Step
If you’ve checked and adjusted your tire pressure but the low tire pressure light remains illuminated, follow these steps:
- Ensure Correct Pressure: Before initiating a reset, make sure all tires are inflated to the recommended PSI.
- Locate the Reset Button: Generally, it’s found on the dashboard, near the steering wheel.
- Turn Ignition On: Without starting the engine, turn the ignition to the ‘ON’ position.
- Press and Hold: Press and hold the reset button for a few seconds.
- Watch for Signals: The low tire pressure light will blink thrice and then turn off, indicating a successful reset.
- Start the Vehicle: Turn on the engine and ensure the light remains off.
Factors Affecting Tire Pressure
- Ambient Temperature: Tire pressure can vary with temperature changes. A rule of thumb is that for every 10°F change in air temperature, your tire’s inflation pressure will change by about 1 PSI (up in warmer weather and down in colder).
- Vehicle Load: If you’re carrying a heavy load or many passengers, you may need to adjust the tire pressure.
- Tire Aging: As tires age, their structural integrity can diminish, leading to changes in ideal tire pressure.
Tips on Checking & Adjusting Tire Pressure
- Regularly Check: It’s a good practice to check your tire pressure at least once a month and before long trips.
- Use a Reliable Gauge: Invest in a good quality tire pressure gauge for accurate measurements.
- Check When Tires are Cold: Measure tire pressure when the car has been stationary for at least three hours or hasn’t been driven more than a mile.
- Always Cap the Valve: Ensure the tire valve has a cap to prevent dirt from entering and causing leaks.
Why Tire Pressure Matters in Your Mercedes-Benz GLA
Ensuring the correct tire pressure is not just about ticking off a regular maintenance checklist; it’s about preserving the integrity and performance of your Mercedes-Benz GLA. Here’s why maintaining the correct tire pressure is crucial:
1. Enhanced Safety
Inadequate tire pressure can significantly compromise the grip your tires have on the road. Especially during challenging driving conditions like wet roads or sharp turns, optimal tire pressure ensures that your GLA has the best possible traction, preventing potential accidents.
2. Improved Fuel Efficiency
When tires are not inflated to the recommended levels, they can cause an increased drag on the road. This means your engine has to work harder, burning more fuel. By maintaining the correct tire pressure, you can improve your vehicle’s fuel efficiency by up to 3%.
3. Extended Tire Lifespan
Under-inflated or over-inflated tires wear unevenly. This can result in a shorter lifespan for your tires, requiring more frequent replacements. Proper tire pressure ensures even tire wear, extending their lifespan and saving you money in the long run.
4. Optimal Performance
The Mercedes-Benz GLA is designed to deliver a superior driving experience. Correct tire pressure plays a crucial role in ensuring the vehicle’s handling, braking, and acceleration are at their peak.
Troubleshooting Common Tire Pressure Issues
While the Mercedes-Benz GLA is a marvel of engineering, like all vehicles, it can sometimes face issues. Here are some common problems related to tire pressure and their potential solutions:
- Frequent Low Pressure in a Single Tire: This could be due to a small puncture. It’s advisable to check for any visible nails or sharp objects embedded in the tire. If found, visit your nearest service center for a repair or replacement.
- All Tires Losing Pressure Equally: If you notice a consistent drop in tire pressure across all four tires, it could be due to temperature changes. Remember, tire pressure can decrease by about 1 PSI for every 10°F drop in temperature.
- Tire Pressure Warning Light Still On After Reset: If the light remains on after attempting a reset, it might indicate a malfunctioning tire pressure monitoring system (TPMS) sensor. In such cases, a visit to a Mercedes-Benz service center is recommended.