Remove/Install Belt-Driven Starter-Alternator - AR15.40-P-5060MRI
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
with code B01 (48V technology)
MODIFICATION NOTES
| 30.11.2021 | Perform commissioning of starter-alternator (M1/10). | Operation step 16. |
| 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 overpressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. |
AS20.00-Z-0001-01A | |
| Notice | Notes on self-locking nuts and bolts | AH00.00-P-0001-01KOA | |
| Notice | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Remove/install | |||
| 1 | Disconnect ground line from battery. | AR54.10-P-0003LW | |
| 2 | Remove poly-V-belt. | AR13.22-P-1202MRM | |
| 3 | Remove charge-air distributor. | AR09.41-P-8683MRI | |
| 4 | Drain off coolant. | AR20.00-P-1142MRI | |
| 5 | Release electrical connector (1) and disconnect. | ||
| 6 | Remove covers (2). | ||
| 7 | Remove ground line nut (3a) and terminal B+ nut (3b). | *BA15.40-P-1005-01U | |
| *BA15.40-P-1002-01U | |||
| 8 | Remove ground line (4a) and terminal B+ electric line (4b) from the starter-alternator (M1/10). | ||
| 9 | Remove coolant hoses (5) from starter-alternator (M1/10). | Fig 2 | |
| 10 | Remove guide pulley of poly-V-belt. | *BA13.25-P-1003-01EA | |
| 11 | Unscrew starter-alternator (M1/10) screws in reverse order to tightening procedure and remove starter-alternator (M1/10). | Tightening procedure for belt-driven starter alternator | AR15.40-P-5060-01MRH |
| *BA15.40-P-1001-01U | |||
| 12 | Remove tensioning device (6). | When replacing the starter-alternator (M1/10). | AR13.25-P-3220MRI |
| 13 | Check spacer sleeves (7) at starter-alternator (M1/10) for damage and wear. | Spacer sleeves (7) are urgently required due to insulation reasons. If there are problems, ↓ Replace starter-alternator (M1/10). |
|
| 14 | Install in the reverse order. | ||
| 15 | Read out and delete fault memory. | ||
| AD00.00-P-2000-04B | |||
| 16 | Perform commissioning of starter-alternator (M1/10). | When replacing the starter-alternator (M1/10). | |
| AD00.00-P-2000-04B |
BELT TENSIONING DEVICE
| Number | Designation | Engine 264 | |
|---|---|---|---|
| BA13.25-P-1003-01EA | Screw/bolt, guide pulley to timing case | Nm | 45 |
ALTERNATOR
| Number | Designation | Engine 264 | ||
|---|---|---|---|---|
| BA15.40-P-1001-01U | Bolt, alternator to timing case | Stage 1 | Nm | 8 |
| Stage 2 | Nm | 20 | ||
ALTERNATOR
| Number | Designation | Engine 264 | |
|---|---|---|---|
| BA15.40-P-1002-01U | Nut, circuit B+ to alternator | Nm | 19 |
ALTERNATOR
| Number | Designation | Engine 264 | |
|---|---|---|---|
| BA15.40-P-1005-01U | Nut, ground line to alternator | Nm | 19 |