Switching points in cooling system - RA20001190020X(20-0020)
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.
DATA
| Models | 124 | 129 | 140 | 210 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thermostat at coolant temperature ° C Start of opening Max. opening |
78 - 82 94 |
78 - 82 94 |
78 - 82 94 |
78 - 82 94 |
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| Viscous fan coupling cut-in at airflow temperature °C Safety cutoff at engine speed fan speed rpm | 92 - 100 4500 3250 |
92 - 100 4500 3250 |
92 - 100 4500 3420 |
92 - 100 4500 3420 |
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| Electric auxiliary fan(1) 1st stage on/off 2nd stage on/off 3rd stage on/off |
107/100 16/11 107/100 |
100/95 - 107/100 20/15 |
100/95 14/12 107/100 (3) 17/14 115/107 (3) 20/17 |
95/115 (2) 14/20 (2) |
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| A/C at coolant temperature in °C Start of cycle (4) Emergency off |
121-123 126-128 |
121-123 126-128 |
121-123 126-128 |
121-123 126-128 |
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| System cap opens at pressure in bar or °C max. 1st stage 2nd stage |
1.3 - 1.5 130 - 134 - |
1.3 - 1.5 130 - 134 1.8 - 2.2 137 - 143 |
1.3 - 1.5(5) 130 - 134 (5) - |
1.3 - 1.5 130 - 134 1.8 - 2.2 137 - 143 |
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