Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Mercedes-Benz Cls450 Fluid Capacities
OEM fluid capacity chart from the factory service manual for the 2019-2023 (2019-2023).
Quick Answer
Automatic Transmission Fluid
10.57 QTS. (10 L) β MB Automatic Transmission Fluid Note: Only use products recommended by Mercedes Benz. Approximate capacity.
Brake Fluid
0.53 QTS. (0.5 L) β MB Brake Fluid Note: Only use products recommended by Mercedes Benz.
Engine Coolant
12.68 QTS. (11.99 L) β MB Anticorrosion/Antifreeze Note: Only use products recommended by Mercedes Benz. Approximate capacity.
Engine Oil
10.00 QTS. (9.46 L) β 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.
Transfer Case Fluid
0.69 QTS. (0.65 L) β MB Transfer Case Fluid Note: Only use products recommended by Mercedes Benz. Approximate capacity.
Notes
- βOnly use products recommended by Mercedes Benz. Approximate capacity.
- βOnly use products recommended by Mercedes Benz.
- βUse Mercedes-Benz approved engine oil only. See bulletin No. S-0473-08B (Mercedes-Benz Factory Approved Service Products). Approximate capacity.
This vehicle's factory manual
2021 Mercedes-Benz Cls450: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Related for Your 2021 Mercedes-Benz Cls450
Frequently Asked Questions
- What are the fluid capacities for a 2021 Mercedes-Benz Cls450?
- The 2021 Mercedes-Benz Cls450 fluid capacities are: Automatic Transmission Fluid: 10.57 QTS. (10 L) β MB Automatic Transmission Fluid Note: Only use products recommended by Mercedes Benz. Approximate capacity., Brake Fluid: 0.53 QTS. (0.5 L) β MB Brake Fluid Note: Only use products recommended by Mercedes Benz., Engine Coolant: 12.68 QTS. (11.99 L) β MB Anticorrosion/Antifreeze Note: Only use products recommended by Mercedes Benz. Approximate capacity., Engine Oil: 10.00 QTS. (9.46 L) β 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., Transfer Case Fluid: 0.69 QTS. (0.65 L) β MB Transfer Case Fluid Note: Only use products recommended by Mercedes Benz. Approximate capacity..
- How much engine oil does a 2021 Mercedes-Benz Cls450 take?
- Engine oil capacity depends on the engine and whether the filter is changed. Check the applicable manual for your exact vehicle and service procedure before filling.
