Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2014 SLK250.
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 48 · 760 CCA battery, OE oil filter 0209971445. 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 | 0209971445 alt 0209971345 |
| Fuel filter | 1724700400 |
| Battery | 0019828008 |
| Front wiper blades | 1718202500 |
| Thermostat | 271203048064 alt 0209974445 |
Capacities, torques and tune-up values from the factory service manual.
This engine DOT 4 brake fluid. Torque lug nuts to 96 ft-lbs, the oil drain plug to 22.1 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.
| Automatic Transmission Fluid | ATF |
| Automatic Transmission Fluid Capacity | 9.5-13.5 |
| Brake Fluid | DOT 4 |
| Manual Transmission Fluid | MTF meeting MB Sheet 231.10 |
| Manual Transmission Fluid Capacity | 3.2 |
| Intake Manifold to Engine Bolts | 10.3 ft-lbs |
| Exhaust Manifold to Cylinder Head Bolts | 11 ft-lbs |
| Intake Manifold to Engine Bolts | 10.3 ft-lbs |
| Engine Oil Pan Drain Plug | 22.1 ft-lbs |
| Lug Nuts | 96 ft-lbs |
| Cylinder Firing Order | 1-3-4-2 |
| Cylinder Firing Order | 1-3-4-2 |
| Refrigerant | R134a |
| Standard BCI Group Number | 48 |
| Standard BCI Cranking Performance | 760 cca |
| Engine Compression | 167-203 psi |
| Torque to Knuckle | 85 ft-lbs / 81 ft-lbs |
| Rotor Nominal Thickness From | 1.102 in / 1.259 in / 0.393 in |
| Rotor Nominal Thickness To | 1.102 in / 1.259 in / 0.393 in |
| Rotor Minimum Machining | 1.023 in / 1.2 in / 1.181 in / 0.346 in |
| Rotor Discard at or Under | 0.999 in / 1.181 in / 1.157 in / 0.326 in |
| 1 | 148 ft. lbs., step 2: 90 | 148 ft. lbs |
Prep If M10 bolts are longer than 167.50 mm the need to be replaced with new bolts. New M10 bolts have a length of 167.00 mm · Bolts 1-10
| 1 | 33.0 ft. lbs. | 33 ft. lbs |
| 2 | 90 degrees | 90 degrees |
| 3 | 90 degrees; Bolts 11: | 90 degrees |
| 1 | 15.0 ft. lbs. | 15 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.
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Cross-vehicle references for the kinds of data on this page.