🧪Fluid Capacities

Mercedes Benz GLS63 AMG Fluid Capacities

Factory manual fluid capacities for the Mercedes Benz GLS63 AMG. Exact capacities and specs extracted from the LEMON service manual archive.

Last updated: 2026-05-12 • Reading time: 8 min • By AllOEMManuals Editorial Team

Quick Answer

2023-2024 Mercedes Benz GLS63 AMG: 2.80 OZS. (0.08 L) — PAG Oil Note: Only use products recommended by Mercedes Benz.

GenerationYearsTop spec
2023-20242023-20242.80 OZS. (0.08 L) — PAG Oil Note: Only use products recommended by Mercedes Benz.
2021-20222021-20222.80 OZS. (0.08 L) — PAG Oil Note: Only use products recommended by Mercedes Benz.
2017-20192017-20193.90 OZS. (0.11 L) — PAG Oil

Factory Manual Verification

Cross-check these specs against the official Mercedes Benz GLS63 AMG maintenance schedule.

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Factory Manual ConfirmationFluid Capacities

Know the exact fluid capacities job for your Mercedes Benz GLS63 AMG

2023-2024 Mercedes Benz GLS63 AMG: 2.80 OZS. (0.08 L) — PAG Oil Note: Only use products recommended by Mercedes Benz.

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.

Exact Vehicle Check

Use the archive navigator when you need the exact engine, trim, or production-branch manual instead of a broad year-range summary. That keeps the buying list and repair steps aligned with the real vehicle.

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Open the manual links above to confirm the exact engine and trim branch before ordering parts.

2023-2024

2023-2024
Air Cond Compressor Oil2.80 OZS. (0.08 L) — PAG Oil Note: Only use products recommended by Mercedes Benz.
Air Cond Refrigerant1.50 LBS. (0.68 KG) — R-134a Note: For further details see "Air conditioner specification label". Only use products recommended by Mercedes Benz. Approximate capacity.
Brake Fluid— MB Brake Fluid Note: Only use products recommended by Mercedes Benz.
Engine Coolant17.00 QTS. (16.08 L) — MB Anticorrosion/Antifreeze Note: Only use products recommended by Mercedes Benz. Approximate capacity.
Engine Oil10.00 QTS. (9.46 L) — MB Approved Synthetic Engine Oil Note: Use Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products). Approximate capacity.
Fuel Tank23.80 GALS. (90.09 L)
Windshield Washer Fluid— 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
  • →Only use products recommended by Mercedes Benz.
  • →For further details see "Air conditioner specification label". Only use products recommended by Mercedes Benz. Approximate capacity.
  • →Only use products recommended by Mercedes Benz. Approximate capacity.
  • →Use Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products). Approximate capacity.
Shop on Amazon →Full Repair Guide →

2021-2022

2021-2022
Air Cond Compressor Oil2.80 OZS. (0.08 L) — PAG Oil Note: Only use products recommended by Mercedes Benz.
Air Cond Refrigerant1.50 LBS. (0.68 KG) — R-134a Note: For further details see "Air conditioner specification label". Only use products recommended by Mercedes Benz. Approximate capacity.
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 Coolant16.59 QTS. (15.69 L) — MB Anticorrosion/Antifreeze Note: Only use products recommended by Mercedes Benz. Approximate capacity.
Engine Oil10.00 QTS. (9.46 L) — MB Approved Synthetic Engine Oil Note: Use Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products). Approximate capacity.
Fuel Tank22.50 GALS. (85.17 L)
Windshield Washer Fluid— 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
  • →Only use products recommended by Mercedes Benz.
  • →For further details see "Air conditioner specification label". Only use products recommended by Mercedes Benz. Approximate capacity.
  • →Only use products recommended by Mercedes Benz. Approximate capacity.
  • →Use Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products). Approximate capacity.
Shop on Amazon →Full Repair Guide →

2017-2019

2017-2019
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 Fluid9.51 QTS. (8.99 L) — MB Automatic Transmission Fluid. Note: Only use products recommended by Mercedes Benz. Approximate capacity.
Brake Fluid— MB Brake Fluid Note: Only use products recommended by Mercedes Benz.
Engine Coolant10.30 QTS. (9.74 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 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.
Shop on Amazon →Full Repair Guide →
Ready to BuyFitment-first picks for Mercedes Benz GLS63 AMG

Buy the Exact Parts and Tools for This Job

These links are built from the same specs shown on this page so users can move from lookup to purchase faster. Confirm exact engine and trim if your vehicle has multiple variants, then build the full cart before you step away from the computer.

Affiliate disclosure: We may earn a commission at no extra cost to you. The goal is to get you to the right parts in one pass.

Spec Snapshot

Engine Oil
10.00 QTS. (9.46 L) — MB Approved Synthetic Engine Oil Note: Use Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products). Approximate capacity.
Engine Coolant
17.00 QTS. (16.08 L) — MB Anticorrosion/Antifreeze Note: Only use products recommended by Mercedes Benz. Approximate capacity.
Brake Fluid
— MB Brake Fluid Note: Only use products recommended by Mercedes Benz.

Correct coolant for this platform

Match chemistry and color family before topping off or flushing.

Mixing coolant types can cause gel formation and overheating.

Check Price and Fitment

Transmission fluid for your gearbox

Fluid choice must match the transmission specification.

Incorrect ATF is a common cause of poor shift quality.

Check Price and Fitment

Brake fluid and bleed kit

DOT-rated fluid plus simple bleeding tools.

Moisture-heavy brake fluid lowers boiling performance over time.

Check Price and Fitment

Long-neck funnel and extractor

Useful for topping off and moving fluids cleanly.

These save time when the fill point is awkward or hidden.

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Shop towels and gloves

Basic cleanup gear for any fluid service job.

Cleanup tools make every service easier and safer.

Check Price and Fitment

Before you buy, sanity-check the repair quote and the cart

If your shop quote looks high, run it through Quote Shield to catch overpricing before checkout. Then use the parts links above to lock in the one-trip plan.

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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 GLS63 AMG 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.

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Author & Review

Written by AllOEMManuals Editorial Team. Reviewed by ASE-certified technicians and updated with factory-reference checks for fitment-sensitive steps.

This guide was drafted with AI assistance and reviewed for accuracy by a human editor.

Last updated: 2026-05-12

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