2021 Mercedes-Benz E-Class Oil Specs

2021 Mercedes-Benz E-Class E-Class 2021 gasoline models other than E 450 4MATIC Oil Specifications

OEM Approval

MB-Approval 229.51, 229.52, 229.61 or 229.71

Capacity

7.0 quarts

From Mercedes-Benz USA, LLC, 2021 Mercedes-Benz E-Class Sedan Operator's Manual (MBUSA PDF). See the cited pages.

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Complete Oil Specifications

Mercedes-Benz’s 2021 E-Class Sedan operator’s manual lists engine oils with MB-Approval 229.51, 229.52, 229.61 or 229.71 for gasoline engines (229.71 is recommended for the lowest possible fuel consumption). Engine oil filling capacity is 7.0 US qt (6.6 liters) for an oil change with the oil filter.

What We Couldn’t Confirm

Exact engine variant. The manual’s capacity row covers all models other than the E 450 4MATIC, so this page doesn’t claim a specific engine code or output.
Oil change interval, OEM oil filter part number and drain plug torque. None appear in the owner’s manual pages used here.

FAQs

What oil does a 2021 Mercedes-Benz E-Class take? Engine oil with MB-Approval 229.51, 229.52, 229.61 or 229.71 (229.71 recommended for lowest fuel consumption).

How much oil does it hold? 7.0 US qt (6.6 liters) with the oil filter.

Vehicle	Viscosity	Capacity with filter
2024 E 350	0W-20	6.3 quarts
2021 E-Class (not E 450, gasoline) (this page)	—	7.0 quarts

Mercedes-Benz E-Class oil type and capacity by year

Primary source evidence

Mercedes-Benz USA, LLC — 2021 Mercedes-Benz E-Class Sedan Operator's Manual (MBUSA PDF)

US market · Model years 2021 · Published/version not dated on document · Pages/tables: p. 347 (Technical data › Quality and capacity of engine oil: gasoline engines, all models MB-Approval 229.51, 229.52, 229.61, 229.71*; capacity including the oil filter, all other models 7.0 US qt / 6.6 liters, E 450 4MATIC 9.0 US qt)

View official source · Accessed September 29, 2026

Evidence reviewed September 29, 2026.

Disclaimer: These specifications reflect the official documents and applicability shown above as of their access dates. Confirm the requirement against the manual for your VIN before performing maintenance.

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