Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2019 SL450.
The 2019 Mercedes SL450 is anchored in this reference by its precise service specifications, which call for a 6.9-quart engine oil capacity across approved viscosity grades of 0W-20, 0W-30, and 0W-40. Because the underlying documentation provides no platform, powertrain, or reliability context beyond those fluid benchmarks, this model year must be understood strictly through its 6.9-quart fill volume and multi-grade tolerance as its verified mechanical constants. That narrow scope means researchers cannot situate the 2019 variant within any broader reliability narrative from this data alone, and should instead treat those oil standards as the definitive technical baseline for the model year.
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 0209975445. 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 | 0209975445 alt 2761800009 |
| Engine air filter | 276094050490 |
| Fuel filter | 1724700400 |
| Battery | 2115410001 alt 0019828208 |
| Front wiper blades | 2318201045 alt 2318200945 |
| Thermostat | 276201068064 alt 2762000600 |
Engine, drivetrain, dimensions and economy.
| Overall length | 182.3 in |
| Overall width | 74 in |
| Overall height | 52 in |
| Wheelbase | 102 in |
| Curb weight | 3825 lb |
| Track (front / rear) | 63 / 63 in |
| Weight distribution (front / rear) | 50/50 |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 6.9 qt of 0W-20 / 0W-30 / 0W-40 engine oil, Dot 4 brake fluid. Torque lug nuts to 96 ft-lbs. The firing order is 1-3-4-2.
| Brake Fluid | Dot 4 |
| Engine Oil | All Temperatures: 0W-20, 0W-30 |
| Engine Oil Capacity | 6.9 qt |
| Lug Nuts | 96 ft-lbs |
| Cylinder Firing Order | 1-3-4-2 |
| Spark Plug Manufacturer | Mercedes-Benz |
| Spark Plug Gap | .031 in |
| Spark Plug Torque | 17 ft-lbs |
| ABS Sensor Torque | Front: 6.0; Rear: 6.0 |
| 1 | 15 ft. lbs., Step 2: 33 ft. lbs., Step 3: 90°. | 15 ft. lbs |
| 1 | 44 inch lbs., Step 2: 15 | 44 in |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Showing 2 of 2 campaigns on record for this vehicle.
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 SL450, SL63 AMG, and SL550 vehicles. Over time, the bolt connection at the front-left mounting point on the rear axle carrier casting may fail, possibly… Remedy: MBUSA will notify owners, and dealers will inspect the front-left mounting point of the rear axle carrier. If a defect in the bolt connection of the rear axle carrier is found…
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018 SL65 AMG, 2019 SL63 AMG and 2018-2019 SL450 and SL550 vehicles. The front passenger air bag may have been improperly sewn, allowing the seam to tear during… Remedy: MBUSA will notify owners, and dealers will replace the passenger air bag, free of charge. The recall began December 13, 2019. Owners may contact MBUSA customer service at…
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.
6.9 qt of All Temperatures: 0W-20, 0W-30 or 0W-40. Above -13° F 5W-30, 5W-40, 5W-50. Above -4°F 10W-30, 10W-40, 10W-50, 10W-60. Above 5°F: 15W-30, 15W-40, 15W-50. Above 23°F 20W-40 or 20W-50., per the factory manual.
NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.