Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2018 SLC300.
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 a BCI 49 · 80 O.E. AmpHrs CCA battery, OE oil filter 0009972405. 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 | 0009972405 alt 0259976448 |
| Engine air filter | 2740940104 |
| Fuel filter | 1724700400 alt 1724700290 |
| Battery | 0019828108 alt 2115410001 |
| Front wiper blades | 1718202500 |
| Thermostat | 024997634564 alt 2742003400 |
Capacities, torques and tune-up values from the factory service manual.
Torque lug nuts to 96 ft-lbs. The firing order is 1-3-4-2. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.
| Crankshaft Position (CKP) Sensor Bolt(s) | 7.4 ft-lbs |
| Camshaft Position (CMP) Sensor Bolt(s) | 7.4 ft-lbs |
| Engine Coolant Temperature (ECT) Sensor Bolt(s) | 9.0 ft-lbs |
| Oxygen (O2S) Sensor Bolt(s) | 30.0 ft-lbs |
| Knock Sense (KS) Bolt(s) | 16.0 ft-lbs |
| Intake Manifold to Engine Bolts | 10 ft-lbs |
| Exhaust Manifold to Cylinder Head Bolts | 12 ft-lbs |
| Oil Pan to Block Bolts | 7.4 ft-lbs |
| 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 |
| Standard BCI Group Number | 49 |
| Standard BCI Cranking Performance | 80 O.E. AmpHrs cca |
| Optional BCI Group Number | Auxiliary: 400 |
| Optional BCI Cranking Performance | Auxiliary: 200 cca |
| Brake Caliper Bolt to Carrier Torque | Rear: 21 ft-lbs |
| Brake Caliper Carrier to Hub Bolt Torque | Front: 85; Rear: 81 |
| Vented Rotor Minimum Thickness for Replacement | Front: 1.157; Rear: .327 |
| 1 | 89.0 inch lbs., Step 2: 90 | 89 in |
| 1 | 44.0 inch lbs., Step 2: 132.0 inch lbs., Step 3: 90 | 44 in |
| 1 | 148.0 ft. lbs., Step 2: 180 | 148 ft. lbs |
Prep Do not reuse old bolts. Use new bolts coated with clean engine oil. Tighten all bolts to finger tight then continue on with the following procedure.
| 1 | Bolts 1-10 | 7.4 ft. lbs |
| 2 | 29.5 ft. lbs. | 29.5 ft. lbs |
| 3 | 90 degrees | 90 degrees |
| 4 | 90 degrees | 90 degrees |
| 5 | 90 degrees | 90 degrees |
| 6 | 14.8 | |
| 1 | 33.0 ft. lbs., Step 2: 90 | 33 ft. lbs |
| 1 | 27.0 ft. lbs., Step 2: 120 | 27 ft. lbs |
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.
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Cross-vehicle references for the kinds of data on this page.