MercedesSL4502019Overview/mercedes/sl450/2019/base/

2019 Mercedes SL450

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2019 SL450.

The 2019 Mercedes SL450 specifies an engine oil capacity of 6.9 qt and recommends a viscosity of 0W‑20 / 0W‑30 / 0W‑40, guiding maintenance that supports its powerplant’s longevity. This model year continues a tradition of reliable operation within the lineup, reflecting steady engineering over time. The vehicle’s engineering reflects a focus on durability.

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity6.9 qtOEM · verified
Engine oil type0W-20 / 0W-30 / 0W-40OEM · verified
Lug nut torque96 ft-lbsOEM · verified

Fitment & sizes

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.

Tire sizeP255/40R18; Rear: P285/35R18OEM · verified
Wheel / rim8.5; Rear: 9.5 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter0209975445 alt 2761800009
Engine air filter276094050490
Fuel filter1724700400
Battery2115410001 alt 0019828208
Front wiper blades2318201045 alt 2318200945
Thermostat276201068064 alt 2762000600

Diagrams

Fuse box diagram28 fuses

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length182.3 in
Overall width74 in
Overall height52 in
Wheelbase102 in
Curb weight3825 lb
Track (front / rear)63 / 63 in
Weight distribution (front / rear)50/50

Service quick specs OEM factory data

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.

Lubricants & capacities

Brake FluidDot 4
Engine OilAll Temperatures: 0W-20, 0W-30
Engine Oil Capacity6.9 qt

Chassis torques

Lug Nuts96 ft-lbs

Ignition

Cylinder Firing Order1-3-4-2
Spark Plug ManufacturerMercedes-Benz
Spark Plug Gap.031 in
Spark Plug Torque17 ft-lbs

Brakes

ABS Sensor TorqueFront: 6.0; Rear: 6.0

Multi-step torque procedures OEM · verified

Engine Flywheel Bolts — tightening sequence 1 stages
115 ft. lbs., Step 2: 33 ft. lbs., Step 3: 90°.15 ft. lbs
Oil Pump to Cylinder BLock Bolts/Studs — tightening sequence 1 stages
144 inch lbs., Step 2: 1544 in

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

2
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
0
Owner complaints
0 involved a crash · 0 a fire

No owner complaints on record with NHTSA for this vehicle.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

19V768000Power Train:Axle AssemblyReported 25/10/2019

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…

19V571000Air Bags:Frontal:Passenger Side:Inflator ModuleReported 02/08/2019

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…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific SL450. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 2019 SL450 take?

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.

Does the 2019 SL450 have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.