Complaint Oil seeping from turbocharger oil return line at connection to engine block
Mercedes-Benz technical service bulletin LI09.40-P-079068 for 2022-2024 Mercedes-Benz C300, 2023-2024 Mercedes-Benz E350 and 2023-2024 Mercedes-Benz GLC 300 and others.
- Bulletin number
- LI09.40-P-079068
- Component
- Engine
- Summary
- Complaint Oil seeping from turbocharger oil return line at connection to engine block. Low oil level warning. Oil observed under vehicle. Cause Return line under tension due to turbo rotation. Remedy Inspect turbocharger housing for rotation (refer to attachment). If rotation is confirmed, the turbocharger and oil return line must be replaced.‑Resealing or replacing only the oil return line is not sufficient and will not resolve the symptom.‑Clean noise insulation on right side of engine if necessary. Replace insulation if cleaning is not sufficient.‑Observe foot notes regarding additional parts in XENTRY parts information when ordering turbocharger.
Owners of these vehicles have filed 38 complaints in the engine category.
Vehicles covered
- Mercedes-Benz C300 2022-2024 202220232024
- Mercedes-Benz E350 2023-2024 20232024
- Mercedes-Benz GLC 300 2023-2024 20232024
- Mercedes-Benz GLE 350 2024 2024
- Mercedes-Benz Gle 350 4matic 2023-2024 20232024
- Mercedes-Benz GLC 300 4matic 2023-2024 20232024
- Mercedes-Benz Gle 450e 4matic 2024 2024
- Mercedes-Benz E 350 4matic 2024 2024
- Mercedes-Benz C 300 4matic 2022-2024 202220232024
- Mercedes-Benz CLE 300 2023-2024 20232024
- Mercedes-Benz Cle 300 4matic 2024 2024
- Mercedes-Benz Cle 300 4matic Cabriolet 2024 2024
- Mercedes-Benz GLC 300 4matic Coupe 2024 2024
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