2021 Mercedes-Benz GLS450 Engine Oil

Your 2021 Mercedes-Benz GLS450 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Engine Oil you desperately need.

We currently carry 5 Engine Oil to choose from for your 2021 Mercedes-Benz GLS450, and our inventory prices range from as little as $7.49 up to $28.49.

On top of low prices, Advance Auto Parts offers 4 different trusted brands of Engine Oil for the 2021 Mercedes-Benz GLS450. We only sell parts from trusted brands like Castrol so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 10 reviews on our Engine Oil for the 2021 Mercedes-Benz GLS450 from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Engine Oil stock in-person!

Engine Oil for Your 2021 Mercedes-Benz GLS450

Castrol – EDGE Euro Car 5W-30 C3 Full Synthetic Engine Oil 1 Quart (Part No.154BC4)

EDGE Euro Car 5W-30 C3 Full Synthetic Engine Oil 1 Quart

from

$12.49
CASTROL EDGE Euro Car 5W-30 C3 Full Synthetic Motor Oil is a high-performance engine oil that is designed to provide superior protection to the latest technology, high output engines that operate at extreme temperatures. This full-synthetic motor oil is formulated to transform under pressure, increasing film strength to prevent oil breakdown and reduce friction to unlock maximum performance. It is optimized to deliver 40% better performance than other motor oils and is recommended by world-leading auto manufacturers. This motor oil provides engine protection for the entire drain interval and meets API CF/SN, ACEA A3/B4, ACEA C3, GM dexos2 specifications. It is suitable for European OEM diesel specifications for Mercedes-Benz and VW/Audi. This motor oil was formerly known as Castrol SLX and is available in a 1-quart container.

Product Features:
  • Optimized to deliver 40% better performance than required by acea standards
  • Recommended by world leading auto manufacturers
  • Engine protection for the entire drain interval even under extreme pressure of high output engines
  • Meets api cf/sn, acea a3/b4, acea c3, gm dexos2, mb approval 229.31/229.51, vw 505 00/505 01, renault rn 0700/0710
  • Formerly known as castrol slx
  • Syntec Power Technology: The reformulated EDGE Engine Oil now features Syntec Power Technology, which enhances its performance even further.
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Pentosin – HP II 5W-40 Synthetic Engine Oil exceeds service class API SM ACEA A3,B4 (Part No.8042107)

HP II 5W-40 Synthetic Engine Oil exceeds service class API SM ACEA A3,B4

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$28.49
Pentosin HP II 5W-40 Synthetic Motor Oil is a high-performance engine oil that is designed to provide excellent protection for your vehicle all year round. This fully synthetic oil is formulated to offer longer changing intervals, reduce motor oil sludge and fuel deposits, and preserve the catalyst and the environment. It contains special friction modifiers that help to improve fuel efficiency and maintain outstanding engine performance. Pentosin HP II 5W-40 Synthetic Motor Oil exceeds service class API SM ACEA A3,B4, making it an ideal choice for drivers who demand the best from their vehicles. Whether you’re driving in extreme temperatures or under heavy loads, Pentosin HP II 5W-40 Synthetic Motor Oil will help keep your engine running smoothly and efficiently.

Product Features:
  • An all- season engine oil offering great protection against harsh start-up conditions and extreme temperature changes.
  • Formulated for long service life intervals.
  • Reduces engine oil sludge and fuel deposits.
  • Contains special friction modifiers which help the engine run smoothly and improve fuel economy.
  • Fully Synthetic Oil Composition: PENTO HP II 5W-40 1L is made up of fully synthetic oil composition, which provides superior protection to the engine and ensures longer engine life.
  • Longer Changing Intervals: The newly formulated PENTO HP II 5W-40 1L allows for longer changing intervals, which means less frequent oil changes and reduced maintenance costs.
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Castrol – EDGE Euro Car 5W-30 LL Full Synthetic Engine Oil 1 Quart (Part No.15C52E)

EDGE Euro Car 5W-30 LL Full Synthetic Engine Oil 1 Quart

from

$12.49
CASTROL EDGE Euro Car 5W-30 LL Full Synthetic Motor Oil is a high-performance motor oil that is designed to provide superior engine protection and performance. This full-synthetic motor oil is formulated to meet the latest technology and high output engines that operate at extreme temperatures. It is recommended by leading auto manufacturers and covers European OEM diesel specifications for Mercedes-Benz, Porsche, and VW/Audi. This motor oil is optimized to deliver 40% better performance than other motor oils and provides engine protection for the entire drain interval. It meets ACEA C3, MB Approval 229.31/229.51, Porsche C30, and VW 504 00/507 00 specifications. With its advanced formula, Castrol EDGE Euro Car 5W-30 LL Full Synthetic Motor Oil transforms under pressure to prevent oil breakdown and reduce friction, unlocking maximum performance.

Product Features:
  • Optimized to deliver 40% better performance than required by acea standards
  • Recommended by world leading auto manufacturers
  • Engine protection for the entire drain interval even under extreme pressure of high output engines
  • Meets acea c3, mb approval 229.31/229.51, porsche c30, vw 504 00/507 00
  • Full Synthetic Oil Composition: The Castrol EDGE Euro Car 5W-30 LL Engine Oil is made with a full synthetic oil composition, providing superior protection and performance for high output engines.
  • Improved Film Strength: This engine oil transforms under pressure, increasing film strength to prevent oil breakdown and reduce friction, unlocking maximum performance.
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FRAM – 0W-40 Full Synthetic Motor Oil, Helps Extend Full Synthetic Motor Life, 1 Quart (Part No.F904)

0W-40 Full Synthetic Motor Oil, Helps Extend Full Synthetic Motor Life, 1 Quart

from

$7.49
FRAM Engine Oil Full Synthetic SAE 0W-40 is a premium full synthetic motor oil formulated  employing the latest additive technology to provide the ultimate protection for your engine. It is  designed to deliver increased fuel efficiency and deposit protection even under severe service  conditions. This engine oil meets the performance requirements of American, Japanese or  European gasoline or diesel-fueled passenger cars, light trucks and sport utility vehicles, including  gasoline-electric hybrids. FRAM Engine Oil Full Synthetic SAE 0W-40 exceeds the demanding engine performance  requirements of today’s modern, higher revving sports, performance, and luxury vehicles. It helps  maximize engine performance and improve engine efficiency while protecting turbochargers and  emission control system catalysts. FRAM Engine Oil Full Synthetic 0W-40 meets the  requirements of ACEA A3/B4 and API SP.

Product Features:
  • Exceptional Film Strength.
  • Excellent Protection for Metal Components from Rust, Corrosion and Wear.
  • Superior Oxidation Stability.
  • Outstanding Shear Stability.
  • Improved fuel economy.
  • Reduces fuel costs without sacrificing engine protection.
  • LSPI (Low Speed Pre-Ignition) Protection Throughout the Drain Interval.
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR ENGINE.
  • Ultimate Engine Protection: Formulated with the latest additive technology, FRAM Engine Oil Full Synthetic SAE 0W-40 provides superior protection for your engine, ensuring longevity and reliability.
  • Superior Performance Under Severe Conditions: This engine oil offers exceptional deposit protection and performance even under severe service conditions, making it ideal for high-stress driving environments.
  • Versatile Compatibility: Meets the performance requirements of American, Japanese, and European gasoline or diesel-fueled passenger cars, light trucks, sport utility vehicles, and gasoline-electric hybrids.
  • Exceeds Modern Engine Standards: Exceeds the demanding engine performance requirements of today’s modern, higher revving sports, performance, and luxury vehicles, while also protecting turbochargers and emission control system catalysts.
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Mobil 1 – ESP X2 0W-20 Full Synthetic Motor Oil, 1 Quart (Part No.47114)

ESP X2 0W-20 Full Synthetic Motor Oil, 1 Quart

from

$11.99
Mobil 1 ESP X2 full synthetic motor oil 0W-20 is designed to provide outstanding engine cleanliness, wear protection, and advanced fuel economy (1) to keep your engine running like new. This proprietary motor oil has been engineered to help prolong the life and maintain the efficiency of emission systems in new emerging diesel and gasoline-powered European vehicles that require SAE 0W-20 viscosity grades. Mobil 1 ESP has active cleaning agents that help to reduce deposits and sludge buildup for a cleaner engine. This technologically advanced formula helps to reduce oil aging with excellent oxidation stability for extended oil drain interval protection and offers low-temperature protection for quick cold-weather starting and ultra-fast protection. Mobil 1 ESP X2 0W-20 combines durability and protection with a low viscosity, low friction motor oil that was designed in cooperation with key European Original Equipment Manufacturers (OEMs). Mobil 1 is America’s leading synthetic motor oil brand at retail (1) , recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR. To learn about the Mobil 1 Limited Warranty, visit Mobil.US. ( (1) Compared to Mobil 1 ESP Formula 5W-30. (2) Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ PCMO Full Synthetic/ 52 weeks ending July 1, 2023)

Product Features:
  • Mobil 1 ESP 0W-20 full synthetic oil is formulated for passenger car diesels with diesel particulate filters (DPFs) and gasoline catalytic converters (CATs)
  • Engineered to help prolong the life and maintain the efficiency of emission systems in diesel and gasoline-powered European vehicles
  • Low viscosity, low friction motor oil designed with key European Original Equipment Manufacturers to ensure durability and protection
  • Active cleaning agents that help to reduce deposits and sludge buildup for a cleaner engines
  • Excellent low temperature protection for quick cold-weather starting and ultra-fast protection
  • Manufacturer Part Number: 125386
  • Outstanding Engine Cleanliness and Wear Protection: Mobil 1 ESP X2 0W-20 is designed to keep your engine running like new by providing exceptional engine cleanliness and wear protection.
  • Advanced Fuel Economy: This full synthetic motor oil helps improve fuel economy, making it an efficient choice for your vehicle.
  • Excellent Oxidation Stability: The advanced formula helps reduce oil aging with excellent oxidation stability, allowing for extended oil drain intervals and providing low-temperature protection for quick cold-weather starts.
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FAQs for 2021 Mercedes-Benz GLS450 Engine Oil

What are the most popular Engine Oil for the 2021 Mercedes-Benz GLS450?

With 4 brands you can trust, our most popular Engine Oil for the 2021 Mercedes-Benz GLS450 parts are:
EDGE Euro Car 5W-30 LL Full Synthetic Engine Oil 1 Quart
from $12.49
This product is not rated
EDGE Euro Car 5W-30 LL Full Synthetic Engine Oil 1 Quart
Engine Oil

What are the best aftermarket Engine Oil for the 2021 Mercedes-Benz GLS450?

See what past customers had to say about our highest-rated Engine Oil for the 2021 Mercedes-Benz GLS450: