MB GLS 450 4MATIC: Specs, Benefits & Common Issues

The Mercedes-Benz GLS 450 4MATIC is a standout model in the full-size luxury SUV segment, offering a combination of cutting-edge technology, comfort, and performance. As the most popular trim in the GLS lineup, it provides an excellent balance of power, efficiency, and luxury. Let’s explore its specifications, benefits compared to competitors, common issues, and why GDO Automotive is the go-to service provider for all European vehicles, including Mercedes-Benz.

Key Specifications of the Mercedes-Benz GLS 450 4MATIC (X167, 2020-Present)

• Engine: 3.0-liter turbocharged inline-6 with EQ Boost mild-hybrid technology
• Horsepower: 375 hp @ 5,800 rpm
• Torque: 369 lb-ft @ 1,800 rpm
• Transmission: 9-speed automatic
• Drivetrain: 4MATIC all-wheel drive
• 0-60 mph: ~5.8 seconds
• Fuel Economy: ~18 MPG city / 23 MPG highway
• Seating Capacity: Up to 7 passengers
• Towing Capacity: 7,700 lbs with optional towing package

The GLS 450’s powerful yet efficient mild-hybrid system ensures smooth acceleration and improved fuel economy, making it a practical choice in the luxury SUV segment.

How the GLS 450 Stands Out from Competitors

The full-size luxury SUV market is highly competitive, with rivals such as the BMW X7 xDrive40i, Audi Q7 55 TFSI, and Cadillac Escalade. Here’s how the GLS 450 outshines its competitors:

• Powertrain Efficiency – The GLS 450’s EQ Boost mild-hybrid system enhances fuel efficiency and smooth power delivery, while BMW’s X7 offers similar performance but lacks the same level of hybrid assist.
• Interior Comfort – Mercedes-Benz leads with high-end materials, a spacious third row, and advanced MBUX infotainment, which offers voice recognition and AI-powered features. The Escalade provides a larger cabin, but its interior doesn’t match Mercedes’ refinement.
• All-Wheel Drive Capability – The standard 4MATIC AWD system ensures better handling in various conditions compared to Audi’s Quattro system, which can sometimes feel front-wheel biased.
• Ride Quality – The AIRMATIC adaptive air suspension provides a smoother ride than the traditional steel suspension on the Cadillac Escalade and even outperforms BMW’s adaptive suspension in comfort mode.
• Advanced Safety Features – Comes with Active Brake Assist, Blind Spot Monitoring, and adaptive cruise control, giving it an edge over some rivals that require additional safety packages.

Common Issues with the Mercedes-Benz GLS 450 4MATIC & How to Avoid Them

Like any luxury vehicle, the GLS 450 has a few common issues that owners should be aware of. Fortunately, these can be avoided or resolved with proper maintenance.

1. Air Suspension Problems

• Issue: The AIRMATIC suspension can develop leaks or fail, leading to uneven ride height or a bumpy ride.
• Solution: Regular inspections at GDO Automotive can help detect minor leaks early. Replacing air struts when signs of wear appear can prevent costly failures.

2. Electrical and Infotainment System Glitches

• Issue: Some owners have reported software glitches with MBUX, including delayed responses or screen freezing.
• Solution: Keeping the system updated and performing routine software diagnostics at GDO Automotive ensures smooth operation.

3. Oil Leaks & Engine Performance Issues

• Issue: Some vehicles experience minor oil leaks, particularly around the turbocharger seals.
• Solution: Routine oil change intervals and inspections prevent leaks from escalating into major issues.

4. Brake Wear & Vibrations

• Issue: Heavier weight and high-performance braking systems cause faster-than-average wear on pads and rotors.
• Solution: Installing high-performance brake pads at GDO Automotive can extend lifespan and maintain stopping power.

Why Choose GDO Automotive for Mercedes-Benz Service?

At GDO Automotive, we specialize in servicing all European brands, including Mercedes-Benz, BMW, Audi, and Porsche. Our team, led by Danny O., a certified BMW mechanic, has extensive experience in diagnosing and maintaining high-performance vehicles.

• Factory-trained mechanics – Our experts ensure that every GLS 450 receives precision care.
• OEM and high-performance parts – We use only high-quality components to maintain your vehicle’s performance and reliability.
• Performance upgrades – Looking to enhance handling or power? We offer tuning and performance modifications for European cars.
• Advanced diagnostics – Our cutting-edge equipment ensures accurate troubleshooting and swift repairs.

Final Thoughts

The Mercedes-Benz GLS 450 4MATIC remains one of the best choices in the luxury SUV market, offering a perfect blend of performance, comfort, and technology. While it has some common issues, proper maintenance and professional service at GDO Automotive can ensure long-term reliability and performance.

Looking for expert service on your GLS 450 or any other European vehicle? Contact GDO Automotive today for premium maintenance, diagnostics, and performance upgrades!