Remove/Install Electric Coolant Pump - AR20.10-P-1271MRI
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Engine 264 in model 205, 253
Shown on engine 264 in model 205
Shown on engine 264 in model 253
| Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant. | Do not open Cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | ||
| Notes on coolant level | AH20.00-P-1142-01CW | ||
| Remove/install | |||
| 1 | Remove the coolant thermostat. | AR20.10-P-2461MRI | |
| 2 | Remove right charge air line. | AR09.41-P-6817MRI | |
| 3 | Remove coolant hose (2) from electric coolant pump (M75/11). | Fig 2 | |
| 4.1 | Remove bracket (3) from electric coolant pump (M75/11). | Engine 264 in model 205 | |
| *BA20.10-P-1002-01CA | |||
| 4.2 | Remove screws (5) and remove bracket (6). | Engine 264 in model 253 | |
| Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | ||
| *BA09.40-P-1012-02C | |||
| 5 | Release and disconnect the electrical connections (4). | ||
| 6 | Unclip electric lines from electric coolant pump (M75/11). | ||
| 7 | Remove screws (1) and remove electric coolant pump (M75/11). | *BA20.10-P-1001-01CA | |
| 8 | Install in the reverse order. |
TURBOCHARGER
| Number | Designation | Engine 264 | ||
|---|---|---|---|---|
| BA09.40-P-1012-02C | Bolt, support to support/exhaust gas turbocharger | Stage 1 | Nm | 15 |
| Stage 2 | ∠° | 90 | ||
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | Engine 264 | |
|---|---|---|---|
| BA20.10-P-1001-01CA | Bolt, coolant pump to crankcase/oil pan | Nm | 20 |
COOLANT PUMP, COOLANT THERMOSTAT
| Number | Designation | Engine 264 | |
|---|---|---|---|
| BA20.10-P-1002-01CA | Bolt, bracket for electric line to coolant pump | Nm | 9 |