On certain Model Year 2019
Mercedes-Benz technical service bulletin CL - Engine Thermostat for 2020-2021, 2023 Mercedes-Benz AMG E63, 2019-2022 Mercedes-Benz G 550 and 2020-2021 Mercedes-Benz AMG C63 and others.
- Bulletin number
- CL - Engine Thermostat
- Component
- Engine
- Summary
- On certain Model Year 2019 - 2023 C / E / G / GLC / GLE / GLS / GT/ S / SL - Class vehicles fitted with an eight-cylinder engine, the sealing ring in the engine thermostat could detach, causing a delay in the heating of the engine coolant. This may also cause the check engine Malfunction Indicator Lamp ('MIL') to illuminate.
Owners of these vehicles have filed 17 complaints in the engine category.
Vehicles covered
- Mercedes-Benz AMG E63 2020-2021, 2023 202020212023
- Mercedes-Benz G 550 2019-2022 2019202020212022
- Mercedes-Benz AMG C63 2020-2021 20202021
- Mercedes-Benz S560 2021 2021
- Mercedes-Benz AMG GT 2020-2021 20202021
- Mercedes-Benz AMG G63 2019-2022 2019202020212022
- Mercedes-Benz GLS 580 4matic 2020, 2022-2023 202020222023
- Mercedes-Benz AMG C63S 2020-2021, 2023 202020212023
- Mercedes-Benz AMG S63 2020-2021 20202021
- Mercedes-Benz AMG E63S 2020-2021, 2023 202020212023
- Mercedes-Benz AMG Gle63 2020-2023 2020202120222023
- Mercedes-Benz AMG Glc63 2020-2021 20202021
- Mercedes-Benz AMG Gls63 2020-2023 2020202120222023
- Mercedes-Maybach S 560 4matic 2020 2020
- Mercedes-Benz GLE 580 2020-2023 2020202120222023
- Mercedes-Benz AMG SL63 2022 2022
- Mercedes-Benz GLS580 2020-2023 2020202120222023
- Mercedes-Benz AMG GT S 2020 2020
- Mercedes-Benz AMG SL55 2022 2022
- Mercedes-Benz AMG GT63 2020-2021, 2023 202020212023
- Mercedes-Benz AMG Gls63 4matic+ 2023 2023
- Mercedes-Benz AMG Glc63s 2020-2021, 2023 202020212023
- Mercedes-Benz AMG Gle63 S 2021-2024 2021202220232024
- Mercedes-Benz Gle 580 4matic 2022-2023 20222023
- Mercedes-Benz AMG Gle63 S 4matic+ 2023-2024 20232024
- Mercedes-Benz AMG Gt63s 2020-2021, 2023 202020212023
- Mercedes-Benz AMG GT C 2020-2021 20202021
- Mercedes-Benz AMG GT R 2020 2020
- Mercedes-Maybach GLS 600 2021-2023 202120222023
- Mercedes-Maybach GLS 600 4matic 2022-2023 20222023
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