Measuring, boring and honing cylinder bores - RA01001041100X(01-1100)
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
ENGINES 104.98 1
| Allocation | Group No.(1) | Cylinder dia. | Piston dia. | ||
|---|---|---|---|---|---|
| Standard Ø 88.5 | A | 88.500 - 88.506 | 88.473 - 88.479 | ||
| X | 88.506 - 88.512 | 88.478 - 88.486 | |||
| B | 88.512 - 88.518 | 88.485 - 88.491 | |||
| 1st repair size+0.5 | A | 89.000 - 89.006 | 88.973 - 88.979 | ||
| X | 89.006 - 89.012 | 88.978 - 88.986 | |||
| B | 89.012 - 89.018 | 88.985 - 88.991 | |||
| 2nd repair size+1.0 | A | 89.500 - 89.506 | 89.473 - 89.479 | ||
| X | 89.506 - 89.512 | 89.478 - 89.486 | |||
| B | 89.512 - 89.518 | 89.485 - 89.491 | |||
1) Except AMG engines
|
|||||
ENGINES 104.94/99 1
| Allocation | Group No.(1) | Cylinder dia. | Piston dia. | ||
|---|---|---|---|---|---|
| Standard Ø 89.9 | A | 89.900 - 89.906 | 89.873 - 89.879 | ||
| X | 89.906 - 89.912 | 89.878 - 89.886 | |||
| B | 89.912 - 89.918 | 89.885 - 89.891 | |||
| 1st repair size+0.25 | A | 90.150 - 90.156 | 90.123 - 90.129 | ||
| X | 90.156 - 90.162 | 90.128 - 90.136 | |||
| B | 90.162 - 90.168 | 90.135 - 90.141 | |||
| 2nd repair size+0.5 | A | 90.400 - 90.406 | 90.373 - 90.379 | ||
| X | 90.406 - 90.412 | 90.378 - 90.386 | |||
| B | 90.412 - 90.418 | 90.385 - 90.391 | |||
| 1) Except AMG engines | |||||
|
|||||
| Wear limit in direction of travel and in transverse direction | 0.10 | |
| Permissible deviation of cylinder shape | when new | 0.007 |
| wear limit | 0.05 | |
| Permissible deviation of rectangularity related to cylinder height | 0.05 | |
| Averaged peak-to-valley height (Rz) after ceramic final honing | 0.003 - 0.006 | |
| Permissible waviness (Wt) | 50 % of peak-to-valley height | |
| Chamfering of cylinder bores | see note | |
| Honing angle | 50±10° | |
COMMERCIALLY AVAILABLE TOOL
| Quick callipers for internal measurements, dia. 80 - 100 mm |
NOTE:
When performing repairs, all the cylinder bores should be finished to the sizes of the existing pistons in accordance with the allocation table.
Measuring
Measure the cleaned cylinder bores with an internal measuring instrument at the 3 measuring points (1, 2 and 3) in the longitudinal and transverse directions.