Vehicles using OM646.962 engine list:
- MERCEDES_BENZ - C 200 CDI (90kW) 2004–2007
- MERCEDES_BENZ - C 200 CDI DPF (90kW) 2004–2007
- MERCEDES_BENZ - C 220 CDI DPF (110kW) 2004–2007
- MERCEDES_BENZ - C 220 CDI (110kW) 2005–2007
- MERCEDES_BENZ - C 200 CDI (90kW) 2007–2007
- MERCEDES_BENZ - C 220 CDI (110kW) 2007–2007
- MERCEDES_BENZ - CLC 200 CDI (90kW) 2008–2010
- MERCEDES_BENZ - CLC 200 CDI (90kW) 2010–2011
Recommended oil for engine OM646.962 engine.
| 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 OM646.962 engine
SAE 5W-40
ACEA C3
MB 229.51
Most common problems, symptoms & fixes for the OM646.962 engine.
Engine OM646.962
Symptoms:
- Rough idling and loss of power
- Excessive smoke from exhaust, especially black or blue smoke
- Engine warning light (MIL) illumination
- Increased fuel consumption
- Difficulty starting or misfires
Diagnosis:
- Check for clogged or faulty EGR valve causing poor combustion and smoke
- Inspect turbocharger for wear or failure leading to power loss and smoke
- Test glow plugs and fuel injectors for proper operation to address starting issues and misfires
- Examine intake manifold and vacuum lines for leaks affecting idle quality
- Scan ECU for fault codes related to sensors (MAF, MAP, temperature sensors)
- Verify condition of diesel particulate filter (DPF) in models equipped with it, as clogging can cause power loss and warning lights
Fixes:
- Clean or replace EGR valve to restore proper exhaust gas recirculation and reduce smoke
- Repair or replace turbocharger components if worn or damaged
- Replace faulty glow plugs and fuel injectors to improve combustion and starting reliability
- Repair vacuum leaks and clean intake manifold to stabilize idle
- Clear fault codes after repairs and perform ECU reset if necessary
- Regenerate or replace DPF to restore exhaust flow and engine performance
- Regular oil and filter changes using manufacturer-recommended specifications to maintain engine health
Prevention:
- Use high-quality diesel fuel and maintain regular fuel system cleaning to prevent injector clogging
- Adhere strictly to scheduled maintenance intervals, including oil, filters, and air intake components
- Avoid frequent short trips that prevent DPF regeneration; allow engine to reach operating temperature regularly
- Monitor and address any early warning signs such as smoke or rough running promptly
- Ensure cooling system is functioning well to prevent overheating and related engine damage
Following these diagnostic steps and maintenance practices will help maintain the OM646.962 engine’s reliability and performance in the listed Mercedes-Benz models.
Symptoms:
- Rough idling and loss of power
- Excessive smoke from exhaust, especially black or blue smoke
- Engine warning light (MIL) illumination
- Increased fuel consumption
- Difficulty starting or misfires
Diagnosis:
- Check for clogged or faulty EGR valve causing poor combustion and smoke
- Inspect turbocharger for wear or failure leading to power loss and smoke
- Test glow plugs and fuel injectors for proper operation to address starting issues and misfires
- Examine intake manifold and vacuum lines for leaks affecting idle quality
- Scan ECU for fault codes related to sensors (MAF, MAP, temperature sensors)
- Verify condition of diesel particulate filter (DPF) in models equipped with it, as clogging can cause power loss and warning lights
Fixes:
- Clean or replace EGR valve to restore proper exhaust gas recirculation and reduce smoke
- Repair or replace turbocharger components if worn or damaged
- Replace faulty glow plugs and fuel injectors to improve combustion and starting reliability
- Repair vacuum leaks and clean intake manifold to stabilize idle
- Clear fault codes after repairs and perform ECU reset if necessary
- Regenerate or replace DPF to restore exhaust flow and engine performance
- Regular oil and filter changes using manufacturer-recommended specifications to maintain engine health
Prevention:
- Use high-quality diesel fuel and maintain regular fuel system cleaning to prevent injector clogging
- Adhere strictly to scheduled maintenance intervals, including oil, filters, and air intake components
- Avoid frequent short trips that prevent DPF regeneration; allow engine to reach operating temperature regularly
- Monitor and address any early warning signs such as smoke or rough running promptly
- Ensure cooling system is functioning well to prevent overheating and related engine damage
Following these diagnostic steps and maintenance practices will help maintain the OM646.962 engine’s reliability and performance in the listed Mercedes-Benz models.