Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2021 E450.
The 2021 Mercedes E450 carries specific lubrication requirements that define its maintenance profile, calling for exactly 9.0 quarts of engine oil available in 0W-20, 0W-30, or 0W-40 viscosity grades depending on operating conditions. These precise capacity and specification parameters reflect the engineering standards of this model year, establishing the baseline fluid requirements necessary for its powertrain. Understanding these 9.0-quart and multi-grade viscosity mandates is essential for maintaining the vehicle's operational integrity throughout its service life.
Fluid capacities, tune-up values and fuel economy at a glance.
Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.
From the factory this vehicle uses OE oil filter 0289974745. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.
| Engine oil filter | 0289974745 alt 2561840080 |
| Engine air filter | 6540940004 |
| Spark plug | 2541590000 |
| Battery | 0019828108 alt 0019828008 |
| Front wiper blades | 2388200601 alt 2138203604 |
| Thermostat | 2562002000 |
| Cabin air filter | 1668300218 |
Engine, drivetrain, dimensions and economy.
| Overall length | 193.7 in |
| Overall width | 72.8 in |
| Overall height | 57.9 in |
| Wheelbase | 115.7 in |
| Curb weight | 4134 lb |
| Track (front / rear) | 63 / 63.8 in |
| Weight distribution (front / rear) | 54/46 |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 9.0 qt of 0W-20 / 0W-30 / 0W-40 engine oil, Rear: 183 mm; Rear: 215 mm in the differential. The firing order is 1-5-3-6-2-4.
| Automatic Transmission Fluid | MB Sheet 236.17 |
| Automatic Transmission Fluid Capacity | 10.5 qt |
| Differential Gear Oil | Rear: 183 mm; Rear: 215 mm |
| Engine Coolant | Coolant listed on either MB 325.6 |
| Engine Oil Capacity | 9.0 qt |
| Transfer Case Fluid | MB P/N A 001989780309 |
| Transfer Case Fluid Capacity | 0.73 qt |
| Cylinder Head Instructions | Use new bolts only. |
| Intake Manifold to Engine Bolts | Bolts 1-9: 6.0 ft-lbs |
| Differential Fill Plug | Front: 18.0 ft-lbs; Rear: 37.0 ft-lbs |
| Differential drain Plug | Front: 15.0 ft-lbs; Rear: 37.0 ft-lbs |
| Cylinder Firing Order | 1-5-3-6-2-4 |
| Spark Plug Manufacturer | Mercedes-Benz |
| Spark Plug Gap | 0.028 in |
| Spark Plug Torque | 11.0 ft-lbs |
| Refrigerant | R1234yf |
| Oil Capacity | 2.80 oz |
| Minimum Pad Thickness | 0.079" in |
| 1 | 37.0 ft. lbs., Step 2: 180° | 37 ft. lbs |
| 1 | 15.0 ft. lbs., Step 2: 15.0 | 15 ft. lbs |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Showing 2 of 9 campaigns on record for this vehicle.
Mercedes-Benz, LLC (MBUSA) is recalling certain 2021 G550, AMG G63, E350, E450, AMG CLS53, AMG E53, AMG GT43, AMG GT53, AMG GT63, 2021-2022 CLS450, and AMG E63 vehicles. The rear seat belt automatic locking retractors… Remedy: Dealers will inspect, and replace as necessary, the rear seat belt assemblies, free of charge. Owners notified of the voluntary recall campaign by an interim letter on August 13…
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C300 Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63 AMG S Cabriolet, E450 Cabriolet, and E53 AMG Cabriolet vehicles. The rear headrests may be incorrectly… Remedy: Dealers will inspect the rear seatback guide bushings and replace them if necessary, free of charge. Owner notification letters were mailed July 16, 2021. Owners may contact MBUSA…
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.
Cross-vehicle references for the kinds of data on this page.
9.0 qt of 0W-20, 0W-30, 0W-40; Above 23°F: 20W-40, 20W-50; Above 5°F: 15W-30, 15W-40, 15W-50; Above -4°F: 10W-30, 10W-40, 10W-50, 10W-60; Above -13°F: 5W-30, 5W-40, 5W-50. Oil meeting MB Sheet: 229.51, 229.52, 229.61 and 229.71, per the factory manual.
NHTSA lists 9 recall campaign(s) for this model year. Check your specific vehicle by VIN.