8 Lexus ES 300H Problems to Avoid, Common Issues and Best ES-300H

Patrick Oziegbe
Updated On:

Welcome to the world of the Lexus ES 300h, a luxurious hybrid sedan that combines style and efficiency.

In your search for a comfortable, eco-friendly ride, this vehicle might be on your radar.

However, it’s essential to be aware of some common issues that may arise with the Lexus ES 300h.

In this article, we’ll dive into these problems, providing helpful insights for your decision-making process.

So, buckle up and get ready to explore the good, the bad, and the surprising aspects of this popular luxury hybrid.

Lexus ES 300H issues

Engine Problems

Your Lexus ES 300h may occasionally face engine-related issues. One common problem is with the vehicle speed control causing unexpected acceleration when parking.

This can result in an increase in engine noise, smoke, and visible warning lights on the instrument panel.

Braking system

Another issue can manifest in the braking system. Sometimes, your ES 300h may brake unexpectedly, or not brake at all.

This can be quite concerning, especially during sudden stops or while driving in heavy traffic.


The 2020 Lexus ES 300h had also faced a recall due to a potential engine block issue. This manufacturing error can cause the engine to leak coolant or oil. If not addressed promptly, the vehicle might stall, overheat, or even catch fire.

To ensure your Lexus ES 300h remains safe on the road, always pay attention to any warning signs or unusual behavior.

If you notice any changes, such as increased engine noise or an illuminated warning light, get your vehicle checked by a professional right away.

Braking Issues

Loss of Braking Assist

Some Lexus ES 300H owners have experienced issues with the loss of braking assist. This can pose a significant safety risk as it may compromise your ability to stop the vehicle in a timely manner.

It’s important to take your car to a certified mechanic if you notice any irregularities in your braking system.

Brake Booster Pump

Another common problem is the malfunctioning of the brake booster pump. A recall has been issued for certain models, addressing this concern.

To ensure your safety and maintain your car’s performance, stay up-to-date with recall information and promptly address any issues with your vehicle’s braking system.

Battery Faults

Your Lexus ES 300h may experience battery faults, such as drainage issues that can result in a dead battery.

In some cases, your vehicle’s lights may flicker and the display may show an intermittent warning message (e.g. ‘Elec Access System Malfunction’).

To prevent this, regularly check your battery’s voltage and ensure it is between 12 and 13 volts, especially if your car has been sitting for multiple days. Stay mindful of these potential issues to maintain optimal performance in your Lexus ES 300h.

Interior Concerns

The Lexus ES 300h is a luxurious car, but sometimes you might experience some interior rattling noises. This can be frustrating, especially for a high-quality vehicle.

Another issue you might face is with the memory seats not functioning properly. To address these concerns, it’s best to consult your Lexus service department.

Safety Features

Your Lexus ES 300h comes with numerous safety features to ensure a secure driving experience. You’ll find anti-lock brakes that prevent your wheels from locking during hard braking, providing you with more control.

Additionally, it has been rated highly for reliability and safety, scoring 4.5 out of 5. Enjoy your drive confidently, knowing that the Lexus ES 300h has got your back with its top-notch safety features.

Technology Hiccups

In your Lexus ES 300h, you might experience some technology hiccups. While the vehicle boasts excellent reliability, it’s not entirely free from issues.

With its various standard technologies like infotainment systems and safety features, occasional glitches can arise.

Remember, these are quite rare; however, it’s crucial for you as an owner to be prepared and address them promptly. Enjoy your Lexus ES 300h and stay vigilant to keep your driving experience smooth and safe.

Reliability Assessment

The Lexus ES 300h has a solid reliability rating, ranking 3rd out of 31 for luxury midsize cars. With an average annual repair cost of $524, you can expect lower than average ownership expenses.

It’s important to note that the 2020 model faced 2 recalls, but overall, the ES series maintains Lexus’ strong reputation for reliability. Remember, keeping up with regular maintenance can further improve your car’s dependability.

Resources and Further Information


For a helpful compilation of complaints on the Lexus ES 300h, you can visit CarComplaints, an online automotive complaint resource that provides graphs and data on automotive defect patterns.

You’ll find complaint data submitted by visitors, grouped by vehicle component and specific problem.

You’re also able to add your own complaint, search through existing complaints, or see the top 20 worst vehicles and cars to avoid.

Lemon Law Information

To understand your rights as a driver experiencing vehicle problems, it’s essential to learn about lemon law information.

Websites like LemonLaw.com offer great insight into these regulations, enabling you to be well-informed when dealing with your Lexus ES 300h issues.

They can provide problem trends and offer car problem resources for you to address your concerns in a timely and effective manner.

Staying informed about your vehicle and its common problems is crucial for a smooth and enjoyable driving experience.

Cost Considerations

When considering a Lexus ES 300h, you should be aware of its annual cost for repairs and maintenance, which is around $524.

This is lower than the average cost of $739 for luxury midsize cars and $652 for all vehicle models. In the first 10 years of service, a Lexus ES 300h may cost you about $5,662 for maintenance and repairs.

Keep these costs in mind when making your decision, as they can impact your overall budget. Good luck with your selection!

4 Lexus ES 300H Reliability Facts

Fact 1:

The Lexus ES 300h is known for its impressive fuel efficiency. You’ll appreciate the 44 MPG on road trips and daily commutes, saving you money on fuel costs.

This hybrid model combines the performance of a gasoline engine with electric power to achieve remarkable mileage without compromising on power and performance.

Fact 2:

Lexus ES 300h has been rated highly for its safety features and reliability. As a driver or passenger, you’ll feel secure knowing the vehicle comes equipped with advanced safety technologies and a track record of reliable performance.

The company’s reputation backs up this model, as one of the leading brands in the luxury automotive market.

Fact 3:

Although Lexus ES 300h is relatively reliable, one minor issue you might face is its fussy controls.

However, once you become familiar with the vehicle’s intricacies, it should not pose any major inconvenience.

Take time to explore and adjust to the controls during your adjustment period, and you’ll soon feel at ease behind the wheel.

Fact 4:

The Lexus ES 300h enjoys strong customer satisfaction, with many owners praising the vehicle’s comfort, features, and overall value.

It’s not uncommon for ES 300h owners to become lifelong Lexus enthusiasts, which is a testimony to the vehicle’s quality and appeal. Rest assured, the ES 300h has met and exceeded the expectations of many owners just like you.

What is the best year for the ES 300h?

As a driver considering the Lexus ES 300h, you might be curious about which year model provides the best overall experience.

With a combination of valuable features and solid reliability, the 2020 Lexus ES 300h stands out as the best year for this hybrid sedan.

The 2020 model offers you the perfect blend of comfort, luxury, and efficiency.

Lexus refined their design with updated technology and a smoother ride, making this year an excellent choice for your Lexus ES 300h purchase.

Comparing to Competitors

In this section, we’ll compare the Lexus ES 300H to some of its top competitors, focusing on key differences and similarities.

Toyota Avalon Hybrid

The Toyota Avalon Hybrid is a close relative of the Lexus ES 300H, both sharing the same platform.

While the Avalon Hybrid may offer similar fuel efficiency and a roomy interior, it doesn’t quite match the luxurious features and overall refinement you find in the Lexus.

Key issues:

Acura TLX

The Acura TLX positions itself as a sportier alternative in the mid-size luxury sedan segment.

Though its driving dynamics are more engaging than the ES 300H, the TLX doesn’t come with a hybrid option, which means less fuel economy and potential higher running costs.

Key issues:

Cadillac CT5

In contrast to the Lexus ES 300H, the Cadillac CT5 aims for a more American-style luxury approach, with bold design and a focus on driving performance.

However, like the Acura TLX, it lacks a hybrid powertrain, which might be a drawback for eco-conscious buyers.

Key issues:

  • More distinctive styling
  • No hybrid option

Volvo S90

The Volvo S90 offers Scandinavian luxury to compete with the Lexus ES 300H.

While its minimalist design and emphasis on safety features are appealing, it doesn’t deliver the same fuel efficiency as the Lexus hybrid, which could be a deciding factor for buyers.

Key issues:

  • Stylish Scandinavian design
  • Lower fuel efficiency compared to the Lexus hybrid

Remember, choosing the right luxury sedan depends on your personal preferences and priorities, so weigh your options wisely before making a decision.

Frequently Asked Questions

What are some common issues with the Lexus ES 300H?

There have been reported issues with vehicle speed control, engine and transmission problems, as well as hybrid system issues.

Additionally, it’s worth noting that the electrical system, suspension, and steering have had a few problems. To learn more about these common issues, take a look at this comprehensive guide.

Is the Lexus ES 300H as reliable as the ES 350?

Both Lexus ES 300H and ES 350 models have a reputation for being reliable vehicles. However, be aware that each model may have its own set of problems.

Comparing reliability between the two models, you should look into specifics and read reviews or consult owners of both vehicles to get a more accurate idea of their performance and reliability.

Do Lexus ES 300H hybrid batteries have a long lifespan?

Lexus hybrids generally have a good reputation when it comes to battery life, and the ES 300H is no exception.

Lexus offers a warranty for the hybrid battery that typically lasts for 8 years or 100,000 miles, providing peace of mind for owners concerned about the longevity of their hybrid batteries.

How does the 2023 Lexus ES 300H compare to previous models?

The 2023 Lexus ES 300H is expected to offer improvements in various aspects compared to previous models.

However, as with any new model, it is important to look into reviews and consumer feedback to determine the significant changes and whether they are positive or negative.

Stay up-to-date with information about the 2023 model by visiting automotive websites and forums.

Are there frequent problems with the Lexus hybrid system?

While the Lexus hybrid system is generally well-regarded for its reliability, there can be occasional issues with various components within the system.

Some owners have reported problems with the hybrid battery and inverter. Keep in mind that occasional problems can occur in any car; overall, Lexus hybrids are known for their reliability.

Is the Lexus ES 300H a good investment in terms of reliability?

When considering a Lexus ES 300H, it is important to weigh the potential benefits and drawbacks. Generally, the ES 300H is considered a reliable vehicle, with fairly low maintenance costs and a reputation for durability.

However, as with any car, individual experiences may vary, so it’s best to research and talk to other owners to get a complete picture of the car’s reliability and long-term performance.


40 Modern Cars That Last Longer Than 300k Miles and Beyond

Imagine cruising past the 300,000-mile mark in your car, with the engine still purring like it’s fresh off the lot. It’s not just a dream—it’s a reality for the owners of these 40 remarkable vehicles
Ford Mustang With Old Couple

10 Ultra-Rare Mustangs Most Ford Fanatics Never Heard About

Introduced almost 60 years ago in April of 1964, the Ford Mustang has become one of the most successful American cars and a recognizable cultural icon with influence beyond the limits of the car industry.
Tesla Model 3 EV

33 Most Wallet-Friendly New Cars You Can Buy in 2024

Buying a new car in 2024 doesn’t have to break the bank. With countless options available, it can be challenging to find the perfect vehicle that suits your needs and your budget. In this article,


Sign up now to get the email newsletter and exclusive deals weekly.