Assigning normal-size pistons to cylinder bore - AR03.10-P-7021-02AO
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.
- Install pistons according to tolerance identification.
The pistons are marked with respect to the crankcase with the code letters A, X, B or 0, 1, 2 (arrows).
When performing repairs, match the pistons to the cylinder bores in the crankcase and install as follows.
ASSIGNMENTS
| Cylinder bore identification | Approved pistons | Supplementary code for ordering pistons |
|---|---|---|
| A or 0 | A or X, 0 or 1 | 52 for A or 0 pistons |
| X or 1 | A or X or B, 0 or 1 or 2 | 54 for X or 1 pistons |
| B or 2 | B or X, 1 or 2 | 56 for B or 2 pistons |