🧪Fluid Capacities

Mercedes Benz GLS550 Fluid Capacities

Factory manual fluid capacities for the Mercedes Benz GLS550. Exact capacities and specs extracted from the LEMON service manual archive.

Last updated: 2026-11-09 • Reading time: 8 min • By AllOEMManuals Editorial Team

Quick Answer

2017-2019 Mercedes Benz GLS550: 3.90 OZS. (0.11 L) — PAG Oil

GenerationYearsTop spec
2017-20192017-20193.90 OZS. (0.11 L) — PAG Oil

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Mercedes Benz GLS550 maintenance schedule

Manual ReferenceFluid Capacities

Check fluid capacities information for your Mercedes Benz GLS550

2017-2019 Mercedes Benz GLS550: 3.90 OZS. (0.11 L) — PAG Oil

Fluid type and capacity can change by engine, drivetrain, and transmission. Verify the exact branch before filling anything. Once the spec is confirmed, use the supplies and purchase links below to build the full one-trip shopping list before you start the repair.

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2017-2019

2017-2019Open 2017 manual
Air Cond Compressor Oil3.90 OZS. (0.11 L) — PAG Oil
Air Cond Refrigerant2.30 LBS. (1.04 KG) — R-134a Note: For further details see "Air conditioner specification label".
Automatic Transmission Fluid10.57 QTS. (10 L) — Automatic Transmission Fluid. Specification 236.17 Note: Only use products recommended by Mercedes Benz. Approximate capacity.
Brake Fluid— MB Brake Fluid Note: Only use products recommended by Mercedes Benz.
Engine Coolant12.00 QTS. (11.35 L) — MB 325.0 or MB 326.0 Anticorrosion/Antifreeze Note: Only use products recommended by Mercedes Benz. Approximate capacity.
Engine Oil9.00 QTS. (8.51 L) — MB Approved Synthetic Engine Oil - SAE 0W-30, 5W-30, 5W-40 or 0W-40 Note: Use Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products).
Fuel Tank26.40 GALS. (99.93 L) Note: Reserve tank capacity: 3.2 gals.
Windshield Washer Fluid5.50 QTS. (5.2 L) — MB Windshield Washer Concentrate "MB Summer Fit" and water for temperatures above freezing or MB "MB Winter Fit" and water for temperatures below freezing.
Notes
  • →For further details see "Air conditioner specification label".
  • →Only use products recommended by Mercedes Benz. Approximate capacity.
  • →Only use products recommended by Mercedes Benz.
  • →Use Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products).
  • →Reserve tank capacity: 3.2 gals.
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One-Trip Shopping List

Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.

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Fluid Extraction Pump

Cleanly remove old fluids from reservoirs.

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Clean Shop Rags

Lint-free rags for cleaning dipsticks and spills.

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Multi-Purpose Funnel

Long-neck funnel for hard-to-reach fill points.

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Nitrile Gloves

Keep hands clean during multi-fluid maintenance.

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Project Essentials

Basic tool sets, gloves, and cleaning supplies for your Mercedes Benz GLS550 so the job is ready when the parts arrive.

Frequently Asked Questions

Where is this data from?
Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.
What fluid capacities does a Mercedes Benz GLS550 use?
2017-2019 Mercedes Benz GLS550: 3.90 OZS. (0.11 L) — PAG Oil
Why do fluid capacities vary by generation for the Mercedes Benz GLS550?
Different engine options, transmission types, and cooling system designs across model years change total fluid volumes. Always use the capacity listed for your exact year and engine code — do not guess across generations.

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Author & Review

Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.

Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.

Last updated: 2026-11-09

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