Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2021 CLA250.
For the 2021 Mercedes CLA250, the engine demands 5.8 quarts of oil, with recommended viscosities of 0W-20, 0W-30, or 0W-40—a standout spec that underscores the importance of correct lubrication. This model year's place in the CLA250's reliability history is not detailed here, but these figures are essential for any researcher examining the vehicle's maintenance profile.
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 OE oil filter 000997250564. 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 | 000997250564 alt 0219976045 |
| Engine air filter | 2600940300 |
| Spark plug | 0001590500 |
| Battery | 0019828108 alt 0019828008 |
| Front wiper blades | 1778209800 |
| Thermostat | 2602002900 |
| Cabin air filter | 2478300604 |
Capacities, torques and tune-up values from the factory service manual.
This engine holds 5.8 qt of 0W-20 / 0W-30 / 0W-40 engine oil, DOT 4 brake fluid. Torque the oil drain plug to Use a new seal: 30.0 ft-lbs. The firing order is 1-3-4-2.
| Automatic Transmission Fluid | MB Sheet 236.21 |
| Automatic Transmission Fluid Capacity | 5.38 its. |
| Brake Fluid | DOT 4 |
| Engine Coolant | Coolant listed on either MB 325.6 |
| Engine Coolant Capacity | 9.4 qt |
| Engine Oil Capacity | 5.8 qt |
| Crankshaft Pulley and/or Damper Bolts | Step 1 148.0 ft-lbs, Step 2: 180° ft-lbs |
| Cylinder Head Instructions | Use new bolts only. |
| Intake Manifold to Engine Bolts | 10.3 ft-lbs |
| Exhaust Manifold to Cylinder Head Bolts | 11.0 ft-lbs |
| Engine Oil Pan Drain Plug | Use a new seal: 30.0 ft-lbs |
| Cylinder Firing Order | 1-3-4-2 |
| Spark Plug Manufacturer | Mercedes-Benz |
| Spark Plug Gap | 0.028 in |
| Spark Plug Torque | 17.0 ft-lbs |
| Refrigerant | R1234yf |
| Refrigerant Capacity | 1.30 lbs |
| Oil Capacity | 2.80 oz |
| Minimum Pad Thickness | 0.079" in |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Showing 1 of 1 campaigns on record for this vehicle.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 A220, A35 AMG, and CLA250 vehicles. The child seat anchoring system (ISOFIX) may be missing the right-side anchoring bar from the ISOFIX bracket on the right-rear… Remedy: MBUSA will notify owners, and dealers will inspect the right-rear ISOFIX bracket and replace the bracket, if necessary, free of charge. The recall began March 16, 2021. Owners may…
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.
5.8 qt of 0W-20, 0W-30, 0W-40; Above 23°F: 20W-40, 20W-50; Above 5°F: 15W-30, 15W-40, 15W-50; Above -4°F: 10W-30, 10W-40, 10W-50, 10W-60; Above -13°F: 5W-30, 5W-40, 5W-50. Oil meeting MB Sheet: 229.51, 229.52, 229.61 and 229.71, per the factory manual.
NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.