Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2003 CLK320 Cabriolet.
The 2003 Mercedes CLK320 Cabriolet 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, OE oil filter 0259976648. 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 | 0259976648 alt 0169971745 |
| Engine air filter | 6040941304 |
| Battery | 0009823308 alt 0019828008 |
| Thermostat | 1122030076 alt 1122030275 |
| Cabin air filter | 2028310065 alt 2108300818 |
Engine, drivetrain, dimensions and economy.
| Overall length | 180.3 in |
| Overall width | 67.7 in |
| Overall height | 54.3 in |
| Wheelbase | 105.9 in |
| Curb weight | 3649 lb |
| Track (front / rear) | 59.4 / 57.9 in |
| Weight distribution (front / rear) | 53/47 |
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 lug nuts to 96 ft-lbs, the oil drain plug to 22.0 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.
| Brake Fluid | DOT 4 |
| Differential Gear Oil Capacity | 2.5 Pints |
| Engine Coolant | USE ONLY COOLANT MEETING MB SHEET 325.0 |
| 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 |
| Lug Nuts | 96 ft-lbs |
| Cylinder Firing Order | 1-4-6-3-2-5 |
| Cylinder Firing Order | 1-3-4-2 |
| 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 | 1.87 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 |
| Torque Caliper to Bracket | 41 ft-lbs |
| Torque to Knuckle | 81 ft-lbs |
| Brake Application | WITH FN3 (16 inch) CALIPER PR NOS. 1LH/1ZG |
| Torque to Knuckle | 85 ft-lbs |
| Minimum Pad Thickness | Front: 0.079; Rear: 0.079 in |
| Rotor Nominal Thickness From | 0.394 in |
| Rotor Nominal Thickness To | 0.394 in |
| Rotor Minimum Machining | 0.347 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.