Vehicles using M256.830 engine list:
- MERCEDES_BENZ - GLE 53 AMG 4MATIC+ (M256.830) (320kW) 2018–2025
- MERCEDES_BENZ - GLE 53 AMG 4MATIC+ Coupé (M256.830) (320kW) 2018–2025
- MERCEDES_BENZ - E 450 4MATIC (280kW) 2023–2025
- MERCEDES_BENZ - E 450 4MATIC All-Terrain (280kW) 2023–2025
- MERCEDES_BENZ - GLE 450 4MATIC+ (M256.830) (280kW) 2023–2025
- MERCEDES_BENZ - GLS 450 4MATIC+ (M256.830) (280kW) 2023–2025
- MERCEDES_BENZ - E 53 Hybrid AMG 4MATIC (430kW) 2023–2025
- MERCEDES_BENZ - G 500 (330kW) 2024–2025
Recommended oil for engine M256.830 engine.
Ask AI about any Engine code
Questions strictly about engine codes (brand/model/engine type/production years).
| Castrol EDGE 0W-40 R | |
|---|---|
| ACEA C3 | ✔ |
| Renault RN17 RSA | ✔ |
| Kinematic @ 100°C | 13.5 mm²/s |
| Kinematic @ 40°C | 78.3 mm²/s |
| Viscosity Index | 178 |
| Pour Point | -48°C |
| Flash Point | 200°C |
| Density @ 15°C | 0.849 g/ml |
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 M256.830 engine
SAE 0W-40
ACEA C3
MB 229.71
Most common problems, symptoms & fixes for the M256.830 engine.
Engine M256.830
Symptoms:
- Rough idling or hesitation during acceleration
- Loss of power or reduced fuel efficiency
- Engine warning light illumination
- Unusual noises such as ticking or knocking
- Oil leaks or increased oil consumption
Diagnosis:
- Perform a thorough engine diagnostic scan to identify error codes related to ignition, fuel injection, or turbocharging systems.
- Inspect ignition coils and spark plugs for wear or damage, as misfires are common.
- Check for carbon buildup on intake valves, especially in direct injection engines, which can cause rough running.
- Examine turbocharger operation and boost pressure for irregularities.
- Inspect for oil leaks around valve covers, turbocharger seals, and oil cooler connections.
- Verify proper functioning of the 48V mild-hybrid system components in hybrid variants.
Fixes:
- Replace faulty ignition coils and worn spark plugs to restore smooth combustion.
- Clean intake valves using walnut blasting or chemical cleaning methods to remove carbon deposits.
- Repair or replace leaking gaskets and seals to prevent oil loss.
- Service or replace turbocharger components if boost pressure is insufficient or irregular.
- Update engine control software to the latest version to address known issues and improve performance.
- For hybrid models, ensure battery and electric motor systems are functioning correctly; replace faulty components as needed.
Prevention:
- Use high-quality synthetic engine oil and adhere strictly to recommended oil change intervals to prevent sludge and wear.
- Regularly service the ignition system and replace spark plugs as per manufacturer guidelines.
- Employ periodic intake valve cleaning, especially for direct injection engines, to avoid carbon buildup.
- Monitor and maintain the 48V mild-hybrid system to ensure optimal operation.
- Avoid prolonged idling and aggressive driving to reduce engine stress and wear.
- Keep software updated through authorized Mercedes-Benz service centers to benefit from improvements and fixes.
By following these diagnostic and maintenance practices, owners of vehicles equipped with the M256.830 engine can ensure reliable performance and longevity.
Symptoms:
- Rough idling or hesitation during acceleration
- Loss of power or reduced fuel efficiency
- Engine warning light illumination
- Unusual noises such as ticking or knocking
- Oil leaks or increased oil consumption
Diagnosis:
- Perform a thorough engine diagnostic scan to identify error codes related to ignition, fuel injection, or turbocharging systems.
- Inspect ignition coils and spark plugs for wear or damage, as misfires are common.
- Check for carbon buildup on intake valves, especially in direct injection engines, which can cause rough running.
- Examine turbocharger operation and boost pressure for irregularities.
- Inspect for oil leaks around valve covers, turbocharger seals, and oil cooler connections.
- Verify proper functioning of the 48V mild-hybrid system components in hybrid variants.
Fixes:
- Replace faulty ignition coils and worn spark plugs to restore smooth combustion.
- Clean intake valves using walnut blasting or chemical cleaning methods to remove carbon deposits.
- Repair or replace leaking gaskets and seals to prevent oil loss.
- Service or replace turbocharger components if boost pressure is insufficient or irregular.
- Update engine control software to the latest version to address known issues and improve performance.
- For hybrid models, ensure battery and electric motor systems are functioning correctly; replace faulty components as needed.
Prevention:
- Use high-quality synthetic engine oil and adhere strictly to recommended oil change intervals to prevent sludge and wear.
- Regularly service the ignition system and replace spark plugs as per manufacturer guidelines.
- Employ periodic intake valve cleaning, especially for direct injection engines, to avoid carbon buildup.
- Monitor and maintain the 48V mild-hybrid system to ensure optimal operation.
- Avoid prolonged idling and aggressive driving to reduce engine stress and wear.
- Keep software updated through authorized Mercedes-Benz service centers to benefit from improvements and fixes.
By following these diagnostic and maintenance practices, owners of vehicles equipped with the M256.830 engine can ensure reliable performance and longevity.