Technical modifications: Coolant circuit and engine cooling - ra2000601ta04x
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 601, 602 (except 602.98), 603
20 COOLANT CIRCUIT AND ENGINE COOLING
| Designation | Nature and reason modification | for Production breakpoint | Op. no. |
|---|---|---|---|
| Coolant pump with drainage pipe | Prevents residue smears as a result of coolant | 01/92 | 20-210 20-215 |
| Viscous fan coupling with union nut, engine 601 in model 202 | Improved accessability for removal and installation work | As of start of production | 20-215 20-310 20-312 |
| Coolant expansion tank | With silica gel element to prevent corrosion | 07/92 | 20-419 |