Mercedes-Benz GLE common problems and reliability issues

Honest rundown of the most common Mercedes-Benz GLE faults, what to watch for, and how to keep one running well.

The Mercedes-Benz GLE is a luxury SUV known for its performance and comfort. Common problems include electrical faults, suspension wear, and engine-related concerns, which can affect the overall driving experience and reliability.

Electrical System Issues

Electrical problems are frequently reported in the Mercedes-Benz GLE, affecting various components such as the infotainment system, dashboard displays, and lighting. Owners have noted issues with the battery management system, which can lead to unexpected battery drain and starting difficulties.

Faulty wiring or poor connections can also cause intermittent faults in electronic systems. These issues may manifest as warning lights on the dashboard or failure of features like adaptive cruise control and parking sensors. Regular checks and updates to the vehicle’s software can help mitigate some of these concerns.

Suspension Problems

The suspension system in the GLE is designed for a smooth ride, but it has been known to experience wear and tear over time. Common complaints include knocking noises from the front or rear suspension, which may indicate worn bushings or shock absorbers.

Air suspension systems, if equipped, can also present problems. Owners have reported issues with air leaks, which can lead to uneven ride height and a compromised driving experience. Regular maintenance and inspections are crucial to ensure the suspension remains in good condition, especially if the vehicle is frequently driven on rough roads.

Engine and Transmission Faults

Engine-related issues can arise in the GLE, particularly with the diesel variants. Some owners have reported problems with the turbocharger, which can lead to reduced power and increased fuel consumption. Additionally, there have been cases of oil leaks from various engine seals and gaskets.

Transmission problems, particularly with the automatic gearbox, have also been noted. Symptoms may include harsh shifting, slipping gears, or warning messages on the dashboard. Regular transmission fluid changes and software updates can help prevent these issues from becoming severe.

Brake System Concerns

The braking system in the GLE is generally reliable, but some owners have reported premature wear of brake pads and discs. This can lead to reduced braking performance and increased stopping distances, which is a safety concern.

Additionally, issues with the brake assist system have been noted, where the system may not engage as expected during emergency braking situations. Regular inspections and timely replacement of worn components are essential to maintain optimal braking performance.

Fuel System Problems

Fuel system issues can affect the GLE’s performance and efficiency. Some owners have experienced problems with the fuel injectors, leading to rough idling, decreased power, and increased emissions. Clogged fuel filters can also contribute to these issues, causing fuel starvation and performance drops.

In some cases, the fuel pump may fail, leading to starting problems or stalling while driving. Regular servicing and using high-quality fuel can help prevent these issues and ensure the engine runs smoothly.

Interior and Comfort Features

While the GLE is praised for its luxurious interior, some common problems have been reported with its comfort features. Issues with the climate control system, such as inconsistent temperatures or failure to blow air, can detract from the driving experience.

Additionally, problems with the seat adjustment mechanisms have been noted, leading to difficulty in finding a comfortable driving position. Regular checks of these systems can help identify and resolve issues before they become more significant problems.

Mercedes-Benz GLE MOT record

From 32,600 recorded MOT tests, 11.2% failed.

MOT pass and failure rates by year of first registration
Registered	Tests	Failed	Median mileage
2022	3,426	10.9%	31,310 mi
2021	4,450	11.4%	40,198 mi
2020	4,752	10.0%	45,717 mi
2019	3,366	11.0%	51,414 mi
2018	5,640	11.9%	61,282 mi
2017	4,428	11.4%	67,857 mi
2016	5,287	11.8%	75,060 mi
2015	1,251	9.4%	83,202 mi

Most common reasons for failure

Tyre tread depth not in accordance with the requirements52.9%
A tyre seriously damaged21.2%
a brake lining or pad worn below 1.5mm10.7%
A tyre cords visible or damaged8.8%
A suspension pin, bush or joint excessively worn6.4%

Figures cover every Mercedes-Benz GLE tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.

Mercedes-Benz GLE official figures

Median across 30 variants on sale, diesel electric, electricity / diesel, electricity / petrol, petrol electric.

Combined economy: 28.9 mpg; WLTP median across variants
CO2 emissions: 227 g/km; Sets the first-year tax rate
Electric range: 57 miles; Manufacturer WLTP figure

Official figures for new cars. Real economy varies with driving, load and conditions.

Frequently asked questions

What are the most common issues with the Mercedes-Benz GLE?

Common issues include electrical faults, air suspension problems, and engine performance concerns. Owners have also reported issues with the infotainment system.

How reliable is the Mercedes-Benz GLE?

The GLE generally has a good reputation for reliability, but like any vehicle, it can experience problems. Regular maintenance can help mitigate potential issues.

Are there any known problems with the GLE's air suspension?

Yes, some GLE models have reported issues with the air suspension system, leading to a rough ride or uneven height. Regular checks can help identify these problems early.

What should I check before buying a used Mercedes-Benz GLE?

Before purchasing, check the service history, look for signs of wear on the air suspension, and ensure all electrical components are functioning properly. A vehicle history check is also advisable.

Is the GLE prone to electrical faults?

Some owners have reported electrical issues, particularly with the infotainment system and dashboard warnings. It's important to test all electronic features during a test drive.

How can I prevent common problems with my GLE?

Regular servicing and maintenance are key to preventing issues. Keeping an eye on warning lights and addressing them promptly can also help maintain the vehicle's performance.

What are the signs of engine problems in the GLE?

Signs of engine problems can include unusual noises, decreased performance, or warning lights on the dashboard. If you notice any of these, it is best to have the vehicle checked by a professional.

Are there any recalls for the Mercedes-Benz GLE?

There have been recalls for certain GLE models, often related to safety or performance issues. It's important to check with a dealer or the official Mercedes-Benz website for any outstanding recalls.