Check cylinders for leaks - AR01.00-P-1300EWS
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.
ENGINES 272, 273 in MODEL 212
| Remove/install | |||
| Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 1 | Bring engine to operating temperature (approx. 80°C) | ||
| 2 | Remove key from ignition lock | ||
| Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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 | |
| 3 | Unscrew cover (1) on expansion reservoir (2) | ||
| 4 | Remove the oil filler cap (3) | ||
| 5 | Remove spark plugs | ||
| Replace spark plugs | AP15.10-P-1580EW | ||
| 6 | Position piston of cylinder to be checked at top dead center with the top dead center selector | ||
| Figure | |||
| 7 | Connect cylinder leakage testing unit (04) | Figure | |
Cylinder leakage tester (pressure loss) |
AR01.00-P-1300-01VA | ||
| Checking | |||
| 8 | Pressurize cylinder with compressed air and read off pressure loss on cylinder leakage testing unit (04) | Cylinder leakage: permissible loss total indication | *BE01.00-P-1001-02Z |
| Cylinder leaktightness: permissible losses at valves and cylinder head gasket | *BE01.00-P-1002-02Z | ||
| Cylinder leaktightness: permissible losses at pistons and piston rings |
*BE01.00-P-1003-02Z | ||
| Install retaining lock for crankshaft. | AR03.30-P-5000EWS | ||
| 9 | Check other cylinders in firing order of the engine | Firing order | AR01.00-P-1300-03HA |
| 10 | Install in the reverse order |
CYLINDER LEAKAGE
| Number | Designation | All engines | |
|---|---|---|---|
| BE01.00-P-1001-02Z | Cylinder leakage: permissible loss total indication | % | ≤ 25 |
| BE01.00-P-1002-02Z | Cylinder leaktightness: permissible losses at valves and cylinder head gasket | % | ≤ 10 |
| BE01.00-P-1003-02Z | Cylinder leaktightness: permissible losses at pistons and piston rings | % | ≤ 20 |