Complaint Oil residue in connector of transmission control unit in dual-clutch transmission models 724.0...
Mercedes-Benz technical service bulletin LI27.19-P-080155 for 2013-2026 Mercedes-Benz CLA250, 2015-2026 Mercedes-Benz GLA 250 and 2020-2026 Mercedes-Benz GLB 250 and others.
- Bulletin number
- LI27.19-P-080155
- Component
- Power train
- Summary
- Complaint Oil residue in connector of transmission control unit in dual-clutch transmission models 724.0 and 724.1. Cause As part of the production process, the electrohydraulic controller units are subjected to a function test in an oil bath. Any oil residue remaining in the connector area can be regarded as production process-related. Since the oil used is a non-conducting, non-corrosive medium, the oil residue does not cause any technical impairment and does not result in any consequential damage. Remedy No action or replacement of parts is required! If necessary, clean the connector using compressed air only. Do not use any cleaning agents such as brake cleaner, as this could potentially cause consequential damage!
Owners of these vehicles have filed 112 complaints in the transmission category.
Vehicles covered
- Mercedes-Benz CLA250 2013-2026 20192020202120222023202420252026
- Mercedes-Benz GLA 250 2015-2026 20192020202120222023202420252026
- Mercedes-Benz GLB 250 2020-2026 2020202120222023202420252026
- Mercedes-Benz A 220 2019-2022 2019202020212022
- Mercedes-Benz AMG Cla45 2014-2024 20172018201920202021202220232024
- Mercedes-Benz AMG Gla45 2015-2019, 2021-2023 20152016201720182019202120222023
- Mercedes-Benz GLB 250 4matic 2020-2021, 2026 202020212026
- Mercedes-Benz AMG Glb35 2020-2025 202020212022202320242025
- Mercedes-Benz AMG Cla35 2020-2024 20202021202220232024
- Mercedes-Benz A 220 4matic 2020-2021 20202021
- Mercedes-Benz Gla 250 4matic 2021, 2024, 2026 202120242026
- Mercedes-Benz AMG A35 2020-2021 20202021
- Mercedes-Benz Cla 250 4matic 2020-2021, 2026 202020212026
- Mercedes-Benz AMG Gla35 2021-2025 20212022202320242025
- Mercedes-Benz AMG Gla 35 4matic 2024, 2026 20242026
- Mercedes-Benz AMG Glb35 4matic 2026 2026
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