Check Hydraulic Valve Clearance Compensating Elements - AR05.00-P-2010MRI
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
| 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 | |
| Risk of injury . Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| 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 | |
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Remove/install | |||
| 1 | Check and correct 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 hazard area. | AS49.00-Z-0001-01A | |
| 2 | Warm up engine to normal operating temperature. | ||
| 3 | Switch off ignition and store transmitter key outside of transmitter range (min. 2 m). | ||
| 4 | Remove cylinder head cover. | AR01.20-P-5014MRI | |
| 5 | Install holding device of the camshafts. | Fig 1 | |
| 6 | Remove the charge air cooler. | AR09.41-P-6817MRI | |
| 7 | Rotate engine at crankshaft center bolt in direction of engine rotation until the cam of the camshaft points upward at the valve clearance compensating element to be checked. | Do not turn engine against direction of engine rotation. Engine damage can occur otherwise. |
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| Check | |||
| 8 | Check roller-type rocker arm (1) for contact with respective cam. | If the roller-type rocker arm (1) does not make contact with the cam, ↓ Replace valve clearance compensating element. |
AR05.00-P-2011MRI |
| 9 | Press valve clearance compensating element together; to do this, depress the roller-type rocker arm (1) using a suitable drift (2). | Do not use a steel tool. Otherwise the roller-type rocker arm (1) will be damaged. If the valve clearance compensating element presses together too easily, ↓ Replace valve clearance compensating element. If several valve clearance compensating elements are defective, ↓ Check oil pressure. |
AR05.00-P-2011MRI |
| AR18.00-P-1250MRI | |||
| 10 | Install in the reverse order. |