2020 MERCEDES-BENZ GLS

If you've been searching for a 2020 Mercedes-Benz GLS 450 for sale in Santa Ana, CA, your search ends here. ALSBOU MOTORS - SANTA ANA has this impressive full-size luxury SUV in stock and ready for a test drive — finished in an elegant gray exterior with a powerful mild-hybrid turbocharged inline-six under the hood. With 89,221 miles on the odometer, this GLS 450 has been broken in beautifully and still has plenty of road ahead of it.

About This 2020 Mercedes-Benz GLS 450

The 2020 Mercedes-Benz GLS 450 is one of the most capable and refined full-size luxury SUVs ever produced, and this particular example at Stock #662 is a compelling opportunity for buyers in Orange County and beyond. At just under 90,000 miles, this vehicle sits well within the comfortable ownership window for a well-maintained Mercedes-Benz — a brand known for engineering vehicles built to last well past 150,000 miles with proper care. The gray exterior gives it a sophisticated, understated presence that never goes out of style.

2020 Mercedes-Benz GLS Performance and Engine

3.0L Mild Hybrid EQ Boost Inline-Six

Under the hood of this GLS 450 sits Mercedes-Benz's acclaimed 3.0L mild-hybrid turbocharged inline-six engine, producing a robust 362 horsepower and 369 lb-ft of torque. The EQ Boost integrated starter-generator adds an additional burst of electric torque during acceleration, making merges onto the 5 Freeway and passes on the 55 effortless. Paired with a smooth 9G-TRONIC automatic transmission and Mercedes-Benz's 4MATIC all-wheel-drive system, this GLS delivers confident traction in any driving condition — from Southern California sunshine to mountain terrain near Big Bear or Lake Arrowhead. The mild-hybrid system also contributes to improved fuel efficiency over a traditional V8, a genuine win for daily driving in Orange County traffic.

Mercedes-Benz GLS 450 Features and Interior

Comfort, Technology, and Three-Row Space

The GLS-Class is Mercedes-Benz's flagship full-size SUV — essentially the S-Class of the SUV world. The GLS 450 trim delivers a long list of premium features including a panoramic sunroof, dual 12.3-inch digital displays forming the MBUX widescreen cockpit, leather seating, three rows of passenger space, ambient interior lighting, wireless charging, Burmester surround sound, and available advanced driver assistance systems. Whether you're hauling the family to Disneyland or making a business trip to John Wayne Airport, the interior of this GLS wraps every passenger in genuine luxury.

Mercedes-Benz GLS Reliability and Ownership

What Owners Say About the 2020 GLS 450

The 2020 GLS 450 earned strong reviews from both automotive critics and everyday owners. Consumer Reports and J.D. Power consistently rated this generation of GLS favorably for reliability and owner satisfaction. The 3.0L inline-six engine replaced the older V6 and is widely regarded as one of Mercedes-Benz's most refined and durable powerplants. Owners frequently praise the smooth ride quality, thanks to standard AIRMATIC air suspension, the responsive MBUX infotainment system, and the commanding driving position. At 89,000 miles, routine maintenance items like brake fluid, spark plugs, and transmission service may be due — always a smart conversation to have with your technician — but the platform itself is built for long-term ownership.

Why Buy From ALSBOU MOTORS - SANTA ANA in Santa Ana, CA

ALSBOU MOTORS - SANTA ANA is a trusted pre-owned vehicle dealer located in Santa Ana, in the heart of Orange County, California. Buyers throughout the region choose ALSBOU MOTORS for straightforward pricing, a diverse inventory of quality vehicles, and a no-pressure sales approach that puts the customer first. Whether you're coming from Anaheim, Garden Grove, Tustin, or Irvine, you'll find that ALSBOU MOTORS makes the car-buying experience simple and transparent. The team is knowledgeable about the vehicles they sell and happy to answer every question you have before you commit.

Financing a Used Mercedes-Benz GLS Near Santa Ana

Financing a pre-owned luxury SUV is more accessible than many buyers expect. ALSBOU MOTORS - SANTA ANA works with a network of lenders to help buyers across a wide range of credit profiles secure competitive financing on vehicles like this 2020 GLS 450. Whether you have excellent credit, are rebuilding, or are purchasing a vehicle for the first time, the finance team at ALSBOU MOTORS will work to find terms that fit your budget. Serving buyers throughout Santa Ana and the greater Orange County area, the dealership makes the process fast and transparent — often completing financing paperwork the same day. Call 714-559-0520 to get pre-qualified before you visit.

Frequently Asked Questions

Is the 2020 Mercedes-Benz GLS 450 a good buy?

Absolutely. The 2020 GLS 450 represents a major generational update to Mercedes-Benz's flagship SUV, introducing the new MBUX infotainment system, a more powerful mild-hybrid engine, and a more refined air suspension. It consistently ranks among the best full-size luxury SUVs of its model year and offers tremendous value on the pre-owned market.

How many miles is too many for a used Mercedes-Benz GLS?

A well-maintained Mercedes-Benz GLS is designed to last well beyond 150,000 miles. At 89,221 miles, this GLS 450 is squarely in its prime — past the early depreciation curve but with significant life remaining. The key is service history and proper maintenance going forward.

What does the GLS 450 trim level include?

The GLS 450 is the entry-level trim of the GLS-Class, but "entry-level" is relative in this segment. It includes the MBUX dual widescreen cockpit, AIRMATIC air suspension, 4MATIC AWD, three-row seating for up to seven passengers, leather upholstery, a panoramic sunroof, Apple CarPlay and Android Auto, and a suite of active safety technologies including adaptive cruise control and lane-keeping assist.

What is the fuel economy on the 2020 GLS 450?

The 2020 GLS 450 with the mild-hybrid system is EPA-rated at approximately 19 mpg city and 24 mpg highway. The EQ Boost mild-hybrid technology helps recover energy during braking and reduces engine load, delivering meaningfully better efficiency than its predecessor's naturally aspirated V6.

Is the 2020 GLS 450 AWD?

Yes. This GLS 450 comes equipped with Mercedes-Benz 4MATIC all-wheel drive as standard, providing enhanced traction and stability in wet, slick, or uneven road conditions — ideal for Southern California drivers who occasionally venture into mountain or desert terrain.

Serving Santa Ana and Surrounding Areas

ALSBOU MOTORS - SANTA ANA is centrally located in Santa Ana, making it an easy destination for buyers throughout Orange County and the surrounding region. Shoppers regularly visit from Anaheim, Garden Grove, Orange, Tustin, Costa Mesa, Fountain Valley, Westminster, and Huntington Beach. Whether you're commuting along the 22, the 5, or the 57, getting to ALSBOU MOTORS is simple from virtually anywhere in the county. If you're coming from further out — Riverside County, Los Angeles County, or San Bernardino County — this GLS 450 is well worth the drive.

Contact ALSBOU MOTORS - SANTA ANA Today

Don't let this 2020 Mercedes-Benz GLS 450 in gray slip away. Inventory moves fast, and a flagship luxury SUV at this price point won't sit long. Call ALSBOU MOTORS - SANTA ANA at 714-559-0520 to schedule your test drive, ask about current financing offers, or confirm availability. You can also stop by in person at our Santa Ana location in Orange County — our team is ready to help you drive home in the luxury SUV you deserve. Ask for Stock #662 and mention VIN 4JGFF5KE5LA053673 for the fastest service.