The Mercedes-Benz GLE450 represents a sweet spot in the GLE lineup, offering a compelling blend of performance, luxury, and technology. Choosing the right model year is crucial to ensuring a satisfying ownership experience. This guide will explore the best GLE450 model years and highlight years to potentially avoid, helping you make an informed decision.

GLE450 Model Year Comparison: Reliability, Features, and Value

Model Year Key Features & Improvements Potential Issues/Concerns
2020 Introduction of the GLE450, M256 inline-6 engine with EQ Boost, advanced driver-assistance systems, MBUX infotainment system. Some early production models experienced software glitches with the MBUX system and minor electrical issues.
2021 Minor updates to trim packages and optional equipment. Continued reports of MBUX system glitches, though less frequent than 2020. Potential for air suspension issues, particularly in colder climates.
2022 Updated steering wheel design, expanded availability of driver-assistance features. Supply chain issues impacted production, leading to potential feature deletions or delays. Air suspension issues persisted.
2023 Minor cosmetic updates and technology enhancements. Introduction of over-the-air (OTA) software updates. Reports of ongoing MBUX system issues, although OTA updates aim to address them. Potential for continued air suspension problems.
2024 Expected to be a carryover model with minor tweaks. Reliability data still emerging. Potential for similar issues as previous years until proven otherwise.

Detailed Explanations

Introduction of the GLE450 (2020): The 2020 GLE450 marked the debut of this specific model within the GLE lineup. It was a significant upgrade over previous generations, featuring a completely redesigned exterior and interior. The highlight was the introduction of the M256 3.0-liter inline-6 engine paired with a 48-volt mild-hybrid system (EQ Boost), delivering impressive performance and efficiency. The MBUX infotainment system was also a major leap forward, offering advanced voice control and a user-friendly interface.

M256 Inline-6 Engine with EQ Boost: This engine is a key selling point of the GLE450. The "EQ Boost" system utilizes a 48-volt electrical system and an integrated starter-generator (ISG) to provide a boost of power during acceleration and allow for smoother start/stop functionality. This technology enhances both performance and fuel economy compared to traditional V6 engines.

Advanced Driver-Assistance Systems: The GLE450 offers a comprehensive suite of driver-assistance features, including adaptive cruise control, lane keeping assist, blind-spot monitoring, and automatic emergency braking. These systems enhance safety and convenience, making long drives more comfortable and secure. The availability and sophistication of these systems have generally increased with each model year.

MBUX Infotainment System: The Mercedes-Benz User Experience (MBUX) system is a sophisticated infotainment system featuring a large touchscreen display, natural language voice control ("Hey Mercedes"), and customizable menus. While innovative, early versions (particularly in the 2020 model) were prone to software glitches. Mercedes-Benz has been actively working to improve the system through software updates.

Early Production Model Issues (2020): As with many newly introduced models, the 2020 GLE450 experienced some teething problems. The most common complaints revolved around the MBUX system, with reports of freezing, lagging, and connectivity issues. Some owners also reported minor electrical problems. While these issues weren't widespread, they are worth noting, especially when considering a used 2020 model.

Minor Updates to Trim Packages and Optional Equipment (2021): The 2021 GLE450 saw primarily minor changes, focusing on refining trim packages and optional equipment offerings. There were no major mechanical or design overhauls. The focus was on improving the user experience through software updates and minor feature tweaks.

Air Suspension Issues: The optional air suspension system, while providing a comfortable ride, has been a recurring source of complaints across multiple model years. Problems can include compressor failures, air leaks, and uneven ride height. Cold weather can exacerbate these issues. It's crucial to have any GLE450 with air suspension thoroughly inspected before purchase.

Updated Steering Wheel Design (2022): The 2022 model year introduced a revised steering wheel design with touch-sensitive controls. While some users appreciate the modern look, others find the touch controls less intuitive than traditional buttons.

Supply Chain Issues (2022): The global supply chain disruptions in 2022 impacted Mercedes-Benz production. This resulted in some vehicles being delivered with certain features deleted or delayed. It's important to verify the specific equipment on any 2022 GLE450 you are considering.

Over-the-Air (OTA) Software Updates (2023): The introduction of OTA software updates in the 2023 model year was a significant improvement. These updates allow Mercedes-Benz to address software glitches and add new features without requiring owners to visit a dealership. This should help to mitigate some of the MBUX-related issues that plagued earlier models.

Cosmetic Updates and Technology Enhancements (2023): The 2023 model year saw further refinements to the GLE450, including minor cosmetic updates and additional technology enhancements. These improvements are incremental, but they contribute to a more polished and modern driving experience.

2024 Model Year Expectations: The 2024 GLE450 is expected to be a carryover model, meaning it will likely feature similar design and mechanical components as the 2023 model. It's crucial to monitor reliability reports as they emerge to determine if any new issues have surfaced or if existing problems have been resolved.

Frequently Asked Questions

Which GLE450 model year is the most reliable? While data is still emerging, the 2023 model year, with its OTA updates, is likely the most reliable due to ongoing software fixes. Earlier years can be reliable with proper maintenance and addressing known issues.

Is the air suspension on the GLE450 problematic? The air suspension can be prone to issues, especially in colder climates. Regular inspections and maintenance are crucial to prevent problems.

What is the EQ Boost system? EQ Boost is a 48-volt mild-hybrid system that provides a power boost during acceleration and improves fuel economy. It uses an integrated starter-generator for smoother start/stop functionality.

Are MBUX system glitches still a problem? While improvements have been made, MBUX glitches can still occur, especially in older models. OTA updates in newer models aim to address these issues.

Is the GLE450 expensive to maintain? As a luxury vehicle, the GLE450 can be more expensive to maintain than non-luxury cars. Regular servicing and potential repairs can be costly.

Conclusion

Choosing the best year for a used Mercedes-Benz GLE450 largely depends on your priorities and budget. The 2023 model year offers the most up-to-date features and the potential for improved reliability thanks to OTA updates. While the 2020 and 2021 models can represent good value, be prepared for potential MBUX issues and carefully inspect the air suspension. Ultimately, a thorough pre-purchase inspection by a qualified mechanic is essential to ensure a satisfying ownership experience.