Vehicles using M271.946 engine list:
- MERCEDES_BENZ - C 180 Kompressor (105kW) 2000–2007
- MERCEDES_BENZ - C 180 Kompressor (105kW) 2007–2007
- MERCEDES_BENZ - CLC 180 Kompressor (105kW) 2008–2010
- MERCEDES_BENZ - CLC 180 Kompressor (105kW) 2010–2011
Recommended oil for engine M271.946 engine.
Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
| Castrol EDGE 5W-30 LL | |
|---|---|
| SAE 5W-30 | ✔ |
| ACEA C3 | ✔ |
| VW 504.00/507.00 | ✔ |
| MB 229.31/229.51 | ✔ |
| Porsche C30 | ✔ |
| BMW Longlife-04 | ✔ |
| Dexos2 | ✔ |
| Motul 8100 5W‑30 X‑Clean | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| VW 504.00 / 507.00 | ✔ |
| MB 229.31 / 229.51 | ✔ |
| Porsche C30 | ✔ |
| BMW Longlife‑04 | ✔ |
| GM dexos2 | ❌ |
| RAVENOL VMP 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| VW 504.00 / 507.00 | ✔ |
| MB 229.51 | ✔ |
| Porsche C30 | ✔ |
| BMW Longlife‑04 | ✔ |
| GM dexos2 | ✔ |
| Pennzoil Platinum Euro Full Synthetic 5W‑30 | |
|---|---|
| SAE 5W‑30 | ✔ |
| ACEA C3 | ✔ |
| VW 504.00 / 507.00 | ✔ |
| MB 229.31 / 229.51 | ✔ |
| Porsche C30 | ✔ |
| BMW Longlife‑04 | ✔ |
| GM dexos2 | ✔ |
Oil specification key
✔ – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.
✔ – Meets the required specification
❓ – Not explicitly stated (use caution; check your vehicle manual)
❌ – Does not meet required specification. Use may cause engine issues.
Answer generated by AI.
Oil specifications for M271.946 engine
SAE 5W-40
ACEA A3/B4
API SN
MB 229.5
Most common problems, symptoms & fixes for the M271.946 engine.
Engine M271.946
Symptoms:
- Rough idling and misfires
- Loss of power or hesitation during acceleration
- Engine warning light (Check Engine) illumination
- Increased oil consumption or visible oil leaks
- Unusual noises such as rattling or knocking from the engine bay
Diagnosis:
- Inspect ignition coils and spark plugs for wear or failure, as these are common causes of misfires.
- Perform a compression test to check for valve or piston ring wear.
- Check for vacuum leaks in hoses and intake manifold gaskets.
- Scan the engine control unit (ECU) for fault codes related to ignition, fuel delivery, or sensor malfunctions.
- Examine the timing chain and tensioner for wear or slack, which can cause rattling noises and timing issues.
- Inspect the supercharger system (Kompressor) for proper operation and belt condition.
Fixes:
- Replace faulty ignition coils and worn spark plugs to restore proper combustion.
- Repair or replace leaking gaskets and vacuum hoses to eliminate air leaks.
- Service or replace the timing chain and tensioner if wear or slack is detected.
- Address supercharger belt wear or failure by replacement.
- Fix oil leaks by replacing seals or gaskets as needed.
- Clear ECU fault codes after repairs and perform a test drive to confirm resolution.
Prevention:
- Follow the manufacturer’s recommended maintenance schedule for spark plug and ignition coil replacement.
- Regularly inspect and replace air filters to ensure clean airflow.
- Use high-quality engine oil and change it at recommended intervals to protect internal components.
- Monitor for early signs of oil leaks or unusual noises and address them promptly.
- Maintain the supercharger system, including belt tension and condition, to prevent premature failure.
- Periodically check and replace vacuum hoses and gaskets to prevent air leaks that affect engine performance.
By adhering to these diagnostic steps, fixes, and preventive measures, owners of Mercedes Benz C 180 Kompressor and CLC 180 Kompressor models equipped with the M271.946 engine can maintain reliable performance and reduce the risk of common engine issues.
Symptoms:
- Rough idling and misfires
- Loss of power or hesitation during acceleration
- Engine warning light (Check Engine) illumination
- Increased oil consumption or visible oil leaks
- Unusual noises such as rattling or knocking from the engine bay
Diagnosis:
- Inspect ignition coils and spark plugs for wear or failure, as these are common causes of misfires.
- Perform a compression test to check for valve or piston ring wear.
- Check for vacuum leaks in hoses and intake manifold gaskets.
- Scan the engine control unit (ECU) for fault codes related to ignition, fuel delivery, or sensor malfunctions.
- Examine the timing chain and tensioner for wear or slack, which can cause rattling noises and timing issues.
- Inspect the supercharger system (Kompressor) for proper operation and belt condition.
Fixes:
- Replace faulty ignition coils and worn spark plugs to restore proper combustion.
- Repair or replace leaking gaskets and vacuum hoses to eliminate air leaks.
- Service or replace the timing chain and tensioner if wear or slack is detected.
- Address supercharger belt wear or failure by replacement.
- Fix oil leaks by replacing seals or gaskets as needed.
- Clear ECU fault codes after repairs and perform a test drive to confirm resolution.
Prevention:
- Follow the manufacturer’s recommended maintenance schedule for spark plug and ignition coil replacement.
- Regularly inspect and replace air filters to ensure clean airflow.
- Use high-quality engine oil and change it at recommended intervals to protect internal components.
- Monitor for early signs of oil leaks or unusual noises and address them promptly.
- Maintain the supercharger system, including belt tension and condition, to prevent premature failure.
- Periodically check and replace vacuum hoses and gaskets to prevent air leaks that affect engine performance.
By adhering to these diagnostic steps, fixes, and preventive measures, owners of Mercedes Benz C 180 Kompressor and CLC 180 Kompressor models equipped with the M271.946 engine can maintain reliable performance and reduce the risk of common engine issues.