S 500 Coupe (140.070) V8-5.0L (119.980) (1997)
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Battery: Testing and Inspection
Testing Quiescent Current Consumption
Preliminary work:
Testing battery charge state, See: Service and Repair
All assemblies and components in vehicle operating properly.
Preparing for test
If engine warm (coolant temperature >100 °C)
wait 12 minutes because of after-run cooling of heating water circulation pump.
NOTE: After switching off ignition, the heating water circulation pump switches on for 10 - 12 minutes if coolant temperature is >100 °C and
cools down the engine.
Left and right front door, side window
lower.
All electrical components
switch off, e.g.:
