R 350 (251.156) V6-3.5L (272.967) (2008)
Intake solenoid valves
The inlet solenoid valves are opened during the ASR/ESP pressure buildup phases, if the calculated pressures in the respective brake caliper are <= 60
bar and one of the following valves is actuated:
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Left front solenoid valve (pressure hold),
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Right front solenoid valve (pressure hold),
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Left rear solenoid valve (pressure hold) or
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Right rear solenoid valve (pressure hold)
If the calculated pressures are > 60 bar the following remain open even during the ASR/ESP holding phases
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Pressure circuit 1 inlet solenoid valve and
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Pressure circuit 2 inlet solenoid valve