If you're searching for a 2021 Mercedes-Benz GLC 300 4MATIC for sale in Riverside, CA, this sleek black SUV at ALSBOU MOTORS - RIVERSIDE deserves a serious look. Priced at just $20,999 with 80,827 miles, this is your opportunity to drive a premium German luxury SUV without the new-car price tag. Stock #3718 is ready for a test drive today — and at this price point, it won't last long on the lot.

About This 2021 Mercedes-Benz GLC 300 4MATIC

The 2021 GLC 300 sits in a sweet spot for used luxury SUV buyers. With just over 80,000 miles, this vehicle has been broken in but still has substantial life ahead of it — Mercedes-Benz GLC models are routinely driven well past 150,000 miles with proper maintenance. The striking black exterior gives it that commanding, refined presence the GLC is known for, and the 4MATIC all-wheel drive system adds genuine capability beyond just aesthetics. At $20,999, you're getting a vehicle that stickered well above $45,000 when new.

2021 Mercedes-Benz GLC 300 Performance and Engine

Turbocharged Power With Everyday Refinement

Under the hood sits Mercedes-Benz's 2.0L turbocharged inline-four engine, producing 255 horsepower and 273 lb-ft of torque. Don't let the four-cylinder designation fool you — this engine is a masterclass in modern forced-induction engineering. Torque arrives low in the rev range, making city driving in Riverside feel effortless and freeway merges on the 91 or the 215 completely stress-free.

The engine pairs with a smooth 9-speed automatic transmission that shifts with the kind of quiet confidence you expect from a Mercedes. The 4MATIC all-wheel drive system continuously monitors road conditions and distributes power between all four wheels, giving you added confidence whether you're navigating rain-slicked roads through the Inland Empire or heading up toward Big Bear for a weekend trip.

Mercedes-Benz GLC 300 Features and Interior

A Cabin Built to Impress

The GLC 300 4MATIC trim comes loaded with features that make every drive feel elevated. Expect a dual-screen MBUX infotainment setup with an intuitive touchscreen interface, voice-activated controls, Apple CarPlay and Android Auto integration, and a beautifully designed instrument cluster. The interior blends soft-touch materials, real wood or metallic trim accents, and ergonomically shaped sport seats that hold you comfortably on longer drives.

Standard safety and driver assistance features on the 2021 GLC 300 typically include active brake assist, blind-spot monitoring, lane-keeping assist, and a rearview camera. The panoramic sunroof — common on this generation — floods the cabin with natural light, making even Riverside's hottest days feel breezy when paired with the dual-zone automatic climate control.

Mercedes-Benz GLC Reliability and Ownership

What Owners and Experts Say

The GLC 300 has consistently earned strong marks for reliability among luxury compact SUVs. J.D. Power and consumer owner surveys routinely place the GLC near the top of its segment for long-term dependability. The 2021 model year benefits from years of refinement since the second-generation GLC launched, meaning the known early-generation quirks have largely been ironed out.

Real-world owners cite the smooth ride quality, understated luxury, and strong resale value as standout advantages. Maintenance costs are higher than a Japanese brand, as expected with any European luxury vehicle, but Mercedes-Benz's dealer network is well-established throughout the Inland Empire, making service accessible. Keeping up with oil changes (synthetic oil recommended), brake fluid flushes, and spark plug intervals will keep this GLC running strong for years to come.

Why Buy From ALSBOU MOTORS - RIVERSIDE in Riverside, CA

ALSBOU MOTORS - RIVERSIDE is located right here in Riverside, in the heart of Riverside County, making it a convenient destination for buyers throughout the Inland Empire. As an independent dealership, ALSBOU MOTORS - RIVERSIDE focuses on offering real value on quality pre-owned vehicles — without the high-pressure tactics often found at large franchise stores. The team is straightforward, knowledgeable, and committed to helping you find the right vehicle at the right price.

When you shop local in Riverside, you're also dealing with people who understand the roads you drive, the commutes you make, and the needs of Southern California SUV ownership. That local knowledge matters.

Financing a Used Mercedes-Benz GLC Near Riverside

Flexible Options for Inland Empire Buyers

Financing a used luxury SUV doesn't have to be complicated. ALSBOU MOTORS - RIVERSIDE works with a range of lenders to find competitive rates for buyers across the credit spectrum — whether you have excellent credit, are rebuilding, or are financing a vehicle for the first time. At $20,999, the GLC 300 fits within a manageable monthly payment for most buyers when financed over a standard term.

Call (951) 249-7905 to get pre-qualified before you come in, or simply stop by and the team can walk you through your options on the spot. Trading in your current vehicle can also help reduce your out-of-pocket costs significantly.

Frequently Asked Questions

Is the 2021 Mercedes-Benz GLC 300 a good buy?

Yes — the 2021 GLC 300 is widely considered one of the best luxury compact SUVs on the market. It offers a refined ride, premium interior quality, strong technology features, and a turbocharged engine that balances performance with fuel efficiency. At used-car pricing, the value proposition is even stronger.

Is 80,000 miles too many for a Mercedes-Benz GLC?

Not at all. The GLC 300 is engineered for longevity and regularly surpasses 150,000–200,000 miles with proper maintenance. At 80,827 miles, this vehicle is squarely in its prime years. A pre-purchase inspection from a trusted Mercedes-Benz technician can give you added peace of mind.

What does the GLC 300 4MATIC trim include?

The GLC 300 4MATIC is the standard trim with the addition of Mercedes-Benz's full-time all-wheel drive system. It includes the MBUX infotainment system, Apple CarPlay and Android Auto, dual-zone automatic climate control, active safety features, and premium interior materials as standard equipment.

What is the fuel economy on a 2021 Mercedes-Benz GLC 300?

The 2021 GLC 300 4MATIC is EPA-rated at approximately 21 MPG city and 27 MPG highway, delivering respectable efficiency for a turbocharged AWD luxury SUV. Real-world driving on Southern California highways often meets or slightly exceeds the highway rating.

Does the GLC 300 require premium fuel?

Yes, Mercedes-Benz recommends premium (91 octane or higher) gasoline for the GLC 300 to maintain optimal performance and engine health. While the engine can run on regular in a pinch, consistent use of premium fuel is advised.

Serving Riverside and Surrounding Areas

ALSBOU MOTORS - RIVERSIDE proudly serves buyers throughout Riverside County and the broader Inland Empire region. Customers regularly make the drive from Moreno Valley, Corona, Temecula, Murrieta, Perris, Hemet, and San Bernardino to shop our inventory. Whether you're coming in from the western end of the county near Norco or from further east near Palm Springs and the Coachella Valley, the trip to our Riverside lot is worth it for the right vehicle at the right price.

Our central Riverside location puts us within easy reach of major freeways — the 91, the 60, the 215, and the I-15 — making us one of the most accessible pre-owned dealerships in all of Southern California.

Contact ALSBOU MOTORS - RIVERSIDE Today

Ready to get behind the wheel of this 2021 Mercedes-Benz GLC 300 4MATIC in black? Don't wait — at $20,999, this vehicle is priced to move fast. Call ALSBOU MOTORS - RIVERSIDE at (951) 249-7905 to schedule your test drive, ask about financing, or get more details on Stock #3718.

Come see us in person at our Riverside, CA location and experience the difference of driving a true Mercedes-Benz luxury SUV. Our team is here to make the buying process easy, transparent, and tailored to your needs.