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Mercedes Benz Mercedes Benz W167 (Gle)

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Mercedes-Benz W167 (GLE): A Comprehensive Guide

The Mercedes-Benz GLE-Class, internally designated as W167, represents the second generation of this popular luxury SUV. It builds upon the success of its predecessor (W166), offering enhanced technology, improved comfort, and a wider range of powertrain options. The GLE-Class sits in the mid-size luxury SUV segment, competing with rivals such as the BMW X5, Audi Q7, and Porsche Cayenne. It aims to provide a blend of luxury, practicality, and off-road capability, albeit primarily designed for on-road comfort.

Generations

  • First Generation (W166): 2015-2019 (originally badged as M-Class until the mid-cycle refresh). Marked the beginning of the GLE-Class nameplate. Notable for its comfortable ride and available V8 engines.
  • Second Generation (W167): 2019-Present. Significant redesign with a more aerodynamic exterior, updated interior featuring the MBUX infotainment system, and advanced driver-assistance technologies. Introduction of mild-hybrid powertrains and the eABC (E-Active Body Control) suspension. Offered as a standard SUV and a coupe (C167).

Reliability & Common Issues

The W167 GLE, while generally reliable, has experienced some reported issues. It's crucial to be aware of these before purchasing:

Engine Issues

  • 48V Mild-Hybrid System Problems: Some models equipped with the 48V mild-hybrid system have experienced electrical glitches. These can range from minor annoyances like warning lights to more serious issues like the car refusing to start. Check for any related recalls and ensure the system functions smoothly during a test drive. Symptoms include intermittent starting issues, error messages related to the auxiliary battery or starter generator, and reduced power output.
  • Oil Leaks: As with many Mercedes-Benz vehicles, oil leaks can occur, particularly around the valve cover gaskets and the oil filter housing. Regular inspection and timely repairs are essential to prevent more serious engine damage.
  • Turbocharger Issues (less common): Certain models, particularly those with the four-cylinder engines, have had isolated reports of turbocharger failures. Listen for unusual noises (whining or screeching) from the turbo during acceleration.

Transmission Issues

  • 9G-TRONIC Transmission Rough Shifting: The 9-speed automatic transmission (9G-TRONIC) can exhibit occasional rough or delayed shifting, particularly at lower speeds. Ensure smooth and consistent shifting during your test drive. Software updates can sometimes address this issue.
  • Torque Converter Problems: Although less prevalent than in previous Mercedes models, issues with the torque converter can occur, leading to shuddering or vibrations during acceleration.

Electrical & Technology Issues

  • MBUX Infotainment System Glitches: The MBUX system, while advanced, can be prone to software glitches and occasional freezes. Ensure all features (navigation, voice control, media playback) function correctly. Check for software updates to resolve known issues.
  • Sensor Malfunctions: Advanced driver-assistance systems rely on numerous sensors (radar, cameras, ultrasonic). Malfunctions in these sensors can lead to errors or reduced functionality of features like adaptive cruise control, lane keeping assist, and blind-spot monitoring.
  • Air Suspension Problems (if equipped): The air suspension system, while providing a comfortable ride, can be susceptible to leaks and compressor failures. Check for uneven ride height, excessive noise from the compressor, and related warning lights. This is especially true for vehicles with the eABC system.

Other Potential Issues

  • Brake System Issues: Occasional reports of premature brake wear or squealing brakes. Inspect brake pads and rotors thoroughly during a pre-purchase inspection.
  • Rust: While less common than in older Mercedes models, check for rust, particularly around the wheel arches, door sills, and underneath the vehicle, especially in areas with harsh winters.

Important Note: A thorough pre-purchase inspection by a qualified Mercedes-Benz mechanic is highly recommended to identify any potential issues before committing to a purchase. Reviewing the vehicle's service history is also crucial to assess its maintenance record.

Driving Experience

The W167 GLE offers a comfortable and refined driving experience. It excels at providing a smooth and quiet ride, making it well-suited for long journeys. The available powertrains range from fuel-efficient four-cylinder engines to powerful V8s, catering to a variety of preferences.

Pros:

  • Comfortable Ride: The GLE prioritizes ride comfort, effectively absorbing bumps and imperfections in the road. The optional air suspension enhances this further.
  • Luxurious Interior: The cabin is well-appointed with high-quality materials and a modern design. The MBUX infotainment system is visually appealing and feature-rich, although it can take some getting used to.
  • Advanced Technology: The GLE offers a wide range of advanced driver-assistance systems, enhancing safety and convenience.
  • Spacious Interior: The GLE provides ample space for passengers and cargo, making it a practical choice for families.
  • Powerful Engine Options: A variety of engine choices ensures that there is a GLE to fit many performance and fuel economy needs.

Cons:

  • MBUX Learning Curve: The MBUX system can be complex and require some time to master.
  • Some Reliability Concerns: As detailed above, certain issues have been reported, particularly with the 48V mild-hybrid system.
  • Can Feel Large: The GLE's size can make it feel somewhat cumbersome in tight city streets or parking lots.
  • Optional Equipment Can Get Expensive: Fully loaded GLE models can quickly become very expensive.

Buying Advice

When considering a W167 GLE, keep the following in mind:

Years to Look For:

  • 2020 and Newer: Models from 2020 onwards are generally preferred as they often incorporate updates and improvements based on initial feedback. However, later models (2022+) may have addressed some of the earlier production hiccups more effectively.
  • Consider Facelift Models: When available, facelifted (mid-cycle refresh) models often incorporate further improvements and updates. Research specific changes introduced in the facelifted versions.

Years to Potentially Avoid (or Exercise Caution):

  • Early Production 2019 Models: These may be more prone to initial production glitches. Thoroughly inspect these models and review their service history. Pay close attention to the operation of the 48V system.

Specific Recommendations:

  • Prioritize Well-Maintained Examples: A meticulously maintained GLE with a complete service history is always a better choice, regardless of the model year.
  • Consider Your Needs: Carefully evaluate your needs and preferences when choosing an engine option. The four-cylinder engines offer decent fuel economy, while the V6 and V8 engines provide more power.
  • Test Drive Thoroughly: Take the GLE for an extended test drive to assess its handling, comfort, and the functionality of all its features. Pay attention to any unusual noises or vibrations.
  • Pre-Purchase Inspection: As mentioned earlier, a pre-purchase inspection by a qualified Mercedes-Benz mechanic is essential to identify any potential issues.
  • Check for Recalls: Verify that the vehicle has had all applicable recalls addressed.
  • Consider an Extended Warranty: Given the potential for electrical and technological issues, an extended warranty can provide peace of mind.
  • Verify Option Packages: Understand exactly which option packages the vehicle has. These can significantly impact the features and value.

By carefully considering these factors, you can increase your chances of finding a reliable and enjoyable W167 GLE that meets your needs.

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