Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2003 ML320.
The 2003 Mercedes ML320 takes 8.5 qt of 0W-30 engine oil.
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 · 825 CCA battery. 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 air filter | 6040941304 |
| Fuel filter | 1634770801 |
| Front wiper blades | 1708200845 |
| Thermostat | 1122030076 alt 1122030275 |
| Cabin air filter | 163835014764 alt 1638350247 |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 8.5 qt of 0W-30 / 5W-30 / 0W-40 engine oil, DOT 4 brake fluid. Torque the oil drain plug to 22.0 ft-lbs. The firing order is 1-4-3-6-2-5. 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.
| Brake Fluid | DOT 4 |
| Differential Gear Oil Capacity | 2.3 Pints |
| Differential Gear Oil Capacity | 3.2 Pints |
| Engine Oil | 0W-30 · 5W-30 · 0W-40 · 5W-40 · 5W-50 |
| Engine Oil Capacity | 8.5 qt |
| Intake Manifold to Engine Bolts | 15 ft-lbs |
| Exhaust Manifold to Cylinder Head Bolts | 12 ft-lbs |
| Engine Oil Pan Drain Plug | 22.0 ft-lbs |
| Transfer Case Fill Plug | 18.0 ft-lbs |
| Transfer Case Drain Plug | 18.0 ft-lbs |
| Cylinder Firing Order | 1-4-6-3-2-5 |
| Cylinder Firing Order | 1-4-3-6-2-5 |
| Curb Idle Speed (No Load) | 725 rpm |
| Curb Idle Speed Variance (No Load) | 75 rpm |
| Spark Plug Gap | 0.031 in |
| Ignition Timing | 6-10 degrees |
| Refrigerant | R134a |
| Refrigerant Capacity | 1.70 lbs |
| Oil Group | PAG |
| Oil Type | MB part number 0019890803 or equivalent |
| Standard BCI Group Number | 49 |
| Standard BCI Cranking Performance | 825 cca |
| Regulated Fuel System Pressure (Without Vacuum) | 54.0-61.0 psi |
| Regulated Fuel System Pressure (With Vacuum) | 46.0-52.0 psi |
| Injector Primary Resistance | 14-18 ohms |
| Engine Oil Pressure | 10 psi @ 700 rpm, 43.5 @ 3000 rpm psi |
| Intake Valve Lash | Hydraulic in |
| Exhaust Valve Lash | Hydraulic in |
| Minimum Pad Thickness | Front: 0.079; Rear: 0.079 in |
| 1 | 7 ft. lbs. | 7 ft. lbs |
| 2 | 22 ft. lbs. | 22 ft. lbs |
| 3 | 90 degrees | 90 degrees |
| 4 | 90 | |
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.
8.5 qt of 0W-30, 5W-30, 0W-40, 5W-40 OR 5W-50, per the factory manual.