Remove/Install Front Cover On Cylinder Head - AR01.30-P-5700MRI
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
MODIFICATION NOTES
| 04.07.2019 | Method description adapted. | Operation steps 1, 5 |
| Risk of injury to skin and eyes due to handling of Engine oil. Risk of poisoning caused by swallowing Engine oil | Wear protective gloves, protective clothing and safety glasses. Do not fill Engine oil into beverage containers. |
AS18.00-Z-0001-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Notice | Notes on threaded connections with aluminum screws/bolts | AH00.00-P-0006-01RM | |
| Notice | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Notes on sealant path for front cover to cylinder head xxx | AH01.30-P-1000-02MR | ||
| Notes on application of flange sealants to seal major assemblies | AH00.00-P-0500-01MNE | ||
| Remove/install | |||
| 1 | Remove air intake pipe and place to the front with lines connected. | AR09.10-P-8131MRI | |
| 2 | Remove air filter housing and place to one side with connected lines. | AR09.10-P-1150MRI | |
| 3 | Release and disconnect electrical connectors (3). | ||
| 4 | Unclip electric line (5) and place to one side. | Fig 3 | |
| 5 | Remove screw of bracket (4) and twist bracket (4) clockwise by 90-1800 . | Engine 264 in model 205, 253 with code B01 (48V technology) |
*BA20.20-P-1005-02B |
| 6 | Remove oil filter cover. | ||
| Engine 264 in model 205 with code M005 (Vehicles with 4MATIC/all-wheel drive) Engine 264 in model 253 |
AP18.00-P-0101E | ||
| Engine 264 in model 205 except code M005 (Vehicles with 4MATIC/all-wheel drive) |
AP18.00-P-0101EE | ||
| 7 | Remove exhaust camshaft adjustment solenoid (Y49/2). | When installing a new front cap (1). | AR05.20-P-7306MRI |
| 8 | Remove intake camshaft adjustment solenoid (Y49/1). | When installing a new front cap (1). | AR05.20-P-7305MRI |
| 9 | Remove screws (2). | *BA01.30-P-1003-01BA | |
| 10 | Remove front cap (1) and take out. | When removing, do not pound in a tool between the front cap (1), cylinder head cover, and cylinder head. Sealing surfaces will otherwise be damaged. Sealant, Loctite 5970, 50 ml |
*BR00.45-Z-1013-01A |
| Fig 2 | |||
| Clean | |||
| 11 | Clean sealing surfaces on the front cap (1), cylinder head, and cylinder head cover. | Do not use any sharp-edged tools or abrasive paper. Sealing surfaces will otherwise be damaged. |
AR01.00-P-0050-01A |
| Loctite 7063 (400 ml) cleaning spray | *BR00.45-Z-1046-04A | ||
| Loctite 7200 | *BR00.45-Z-1038-04A | ||
| Check | |||
| 12 | Check sealing surfaces on the front cap (1), cylinder head, and cylinder head cover for damage. | If damage is present: ↓ Replace corresponding component. |
AR01.20-P-5014MRI |
| 13 | Install in the reverse order. | ||
| 14 | Check and correct Engine oil level. | ||
| AP18.00-P-1812MKI | |||
| Risk of burn injuries , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. | Wear protective clothing and safety glasses. Use the extraction system. Move people out of the danger zone. | AS49.00-Z-0001-01A | |
| Risk of accident from vehicle starting off by itself when Engine running. Risk of injury (bruises and burns) resulting from working on the Engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 15 | Perform Engine test run. While doing so, check Engine for proper operation and leak tightness. | ||
| 16 | Install Engine cover. | AR01.10-P-2405MRI |
CYLINDER HEAD
| Number | Designation | Engine 264 | |
|---|---|---|---|
| BA01.30-P-1003-01BA | Bolt, front cover to cylinder head/cylinder head cover | Nm | 9 |
ENGINE RADIATOR, COOLANT HOSES AND LINES
| Number | Designation | Engine 264 | |
|---|---|---|---|
| BA20.20-P-1005-02B | Screw, holder to chain case cover | Nm | 8 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1013-01A | Sealant, Loctite 5970, 50 ml | A 003 989 98 20 10 |
| BR00.45-Z-1038-04A | Loctite 7200 | A 010 989 90 71 |
| BR00.45-Z-1046-04A | Loctite 7063 (400 ml) cleaning spray | A 001 986 71 71 09 |