Remove/install piston rings - AR03.10-P-7311VA
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2013 Mercedes-Benz S65, 2013 Mercedes-Benz S63, 2013 Mercedes-Benz S600, 2013 Mercedes-Benz S550, and 2013 Mercedes-Benz S350. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE 272, 273
Piston removed
| Removing | |||
| 1 | Using pliers, remove compression rings (1, 2) from |
Fig 2 | |
| 2 | Remove oil scraper ring (3) from piston (4) | ||
| Install | |||
| 3 | Measure the width of the compression rings (1, 2) | *BE03.10-P-1003-05D | |
| 4 | Measure the end gap of compression rings (1, 2) | AR03.10-P-7311-02VA | |
| *BE03.10-P-1002-05D | |||
| 5 | Using the pliers, fit the compression rings (1, 2) to |
||
| 6 | Measure the vertical clearance of compression rings (1, 2) | AR03.10-P-7311-01VA | |
| *BE03.10-P-1001-05D | |||
| 7 | Fit the oil scraper ring (3) by hand |
TEST VALUES FOR PISTON RINGS
| Number | Designation | Engine 272.91/92/94/95 | Engine 272.96/97/98/99 | ||
|---|---|---|---|---|---|
| BE03.10-P-1001-05D | Piston ring vertical clearance | Groove 1 | mm | 0.03...0.08 | 0.02 to 0.07 |
| Groove 2 | mm | 0.02...0.06 | 0.015 to 0.05 | ||
| Groove 3 | mm | - | - | ||
| BE03.10-P-1002-05D | Piston ring end gap | Groove 1 | mm | 0.2 to 0.35 | 0.2 to 0.35 |
| Groove 2 | mm | 0.3...0.5 | 0.3...0.5 | ||
| Groove 3 | mm | 0.2...0.9 | 0.2...0.9 | ||
| BE03.10-P-1003-05D | Dimension | Plain compression ring | mm | 88.0X1.5X3.1 | 92.9X1.5X3.1 |
| Taper-faced hook scraper ring | mm | 88.0X1.75X3.5 | 92.9X1.75X3.7 | ||
| Oil scraper ring | mm | 88.0X2.5X3.03 | 92.9X2.5X3.03 | ||
TEST VALUES FOR PISTON RINGS
| Number | Designation | Engine 273.92 | Engine 273.96/97 | ||
|---|---|---|---|---|---|
| BE03.10-P-1001-05D | Piston ring vertical clearance | Groove 1 | mm | 0.02 to 0.07 | 0.02 to 0.07 |
| Groove 2 | mm | 0.015 to 0.05 | 0.002 to 0.06 | ||
| Groove 3 | mm | - | - | ||
| BE03.10-P-1002-05D | Piston ring end gap | Groove 1 | mm | 0.2 to 0.35 | 0.2 to 0.35 |
| Groove 2 | mm | 0.3...0.5 | 0.3...0.5 | ||
| Groove 3 | mm | 0.2...0.9 | 0.2...0.9 | ||
| BE03.10-P-1003-05D | Dimension | Plain compression ring | mm | 92.9X1.5X3.1 | 98.0X1.2X3.1 |
| Taper-faced hook scraper ring | mm | 92.9X1.75X3.7 | 98.0X1.5X3.7 | ||
| Oil scraper ring | mm | 92.9X2.5X3.03 | 98.0X2.5X3.03 | ||