Mercedes-Benz GLE top fixes: how owners handle the common issues

Practical fixes for the common Mercedes-Benz GLE faults owners run into.

The Mercedes-Benz GLE is a luxury SUV known for its comfort and performance. This article outlines practical fixes for these problems, helping owners maintain their GLE in top condition.

Electrical Problems

Electrical issues are among the most frequently reported problems by GLE owners. Common complaints include malfunctioning infotainment systems and erratic dashboard displays. To address these issues, start by checking the vehicle’s battery and fuses, as a weak battery or blown fuse can cause various electrical malfunctions.

If the battery and fuses are in good condition, consider updating the software of the infotainment system. Mercedes-Benz often releases software updates that fix bugs and improve functionality. If problems persist, it may be necessary to consult a professional technician who can diagnose more complex electrical faults.

Suspension Issues

Some GLE owners report problems with the air suspension system, which can lead to a bumpy ride or uneven vehicle height. One practical fix is to regularly check for leaks in the air suspension components. If you notice any signs of air loss, replacing the affected parts can restore proper function.

Additionally, ensure that the suspension system is regularly serviced. This includes checking the air compressor and the air springs. Keeping the suspension system well-maintained can prevent larger issues from developing and ensure a smooth driving experience.

Engine Performance Problems

Engine performance issues can manifest as a loss of power, poor fuel economy, or unusual noises. A common cause is a clogged air filter, which can restrict airflow to the engine. Regularly replacing the air filter can improve engine performance and efficiency.

Another potential issue is the fuel injectors. If they become clogged or malfunction, they can affect engine performance. Cleaning or replacing the fuel injectors can resolve these issues. Regular servicing and using high-quality fuel can also help maintain optimal engine performance.

Transmission Concerns

Transmission problems in the GLE can lead to rough shifting or slipping gears. One practical fix is to check the transmission fluid level and condition. Low or dirty fluid can cause shifting issues, so topping up or replacing the fluid can often resolve the problem.

If fluid levels are adequate, consider having the transmission system inspected for faults. In some cases, reprogramming the transmission control module can improve shifting performance. Regular maintenance, including fluid changes, can help prevent transmission issues from arising.

Brake System Issues

Brake problems can be a significant concern for GLE owners. Common issues include squeaking noises, reduced braking efficiency, and warning lights on the dashboard. One of the first steps is to inspect the brake pads and rotors for wear. Replacing worn pads and resurfacing or replacing rotors can restore braking performance.

Additionally, check the brake fluid level and condition. Contaminated or low brake fluid can lead to braking issues. Flushing the brake system and replacing the fluid can help maintain optimal braking performance and ensure safety on the road.

Tyre Wear and Alignment

Uneven tyre wear and alignment issues are common complaints among GLE owners. Regularly inspecting tyres for wear patterns can help identify alignment problems early. If you notice uneven wear, it may be time for a wheel alignment.

Proper tyre maintenance is crucial for the GLE’s performance and safety. Ensure that tyres are inflated to the recommended pressure and rotated regularly. This not only extends tyre life but also improves handling and fuel efficiency. Keeping an eye on tyre condition can prevent more serious issues down the line.

By addressing these common issues with practical fixes, Mercedes-Benz GLE owners can enjoy a smoother, safer driving experience. Regular maintenance and prompt attention to problems can help keep this luxury SUV in excellent condition for years to come.

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 common issues should I look for in a used Mercedes-Benz GLE?

Common issues include electrical faults, air suspension problems, and engine oil leaks. It's important to check the service history for any previous repairs.

How can I tell if the air suspension is faulty?

Look for uneven ride height or unusual noises when the suspension adjusts. A warning light on the dashboard may also indicate a problem.

Are there any known engine problems with the Mercedes-Benz GLE?

Some owners have reported issues with turbochargers and oil consumption. Regular maintenance can help mitigate these concerns.

What should I do if I find a fault during a vehicle check?

If you discover a fault, consider getting a professional inspection. You may also want to negotiate repairs or a lower price with the seller.

Is it worth getting a warranty for a used Mercedes-Benz GLE?

A warranty can provide peace of mind and cover unexpected repairs. It's advisable to review the terms carefully to ensure it meets your needs.

How often should I service my Mercedes-Benz GLE?

It is recommended to service the GLE every 12 months or every 10,000 miles, whichever comes first. Regular servicing helps maintain performance and reliability.

What are the signs of transmission issues in a GLE?

Signs include slipping gears, delayed engagement, or unusual noises when shifting. If you notice any of these, it's best to have the transmission checked.

Can I perform basic maintenance on my Mercedes-Benz GLE myself?

While some basic tasks like oil changes can be done at home, it's best to leave complex repairs to professionals. This ensures that any work done meets manufacturer standards.