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Procedure A

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2001 Mercedes-Benz SL500, 2001 Mercedes-Benz S55, 2001 Mercedes-Benz S500, 2001 Mercedes-Benz S430, and 2001 Mercedes-Benz ML430. However, it is still accessible from the selected car via links, so may be relevant.
  1. On SL600, disconnect 2-pin master cylinder switchover valve electrical connector at master cylinder. Remove fuse C from fuse and relay module (F1). Fuse and relay module (F1) is located in left rear corner of engine compartment. Connect flat plug from master cylinder switchover valve to fuse C (input side). Connect round plug from master cylinder switchover valve to ground. Ensure switchover valve is energized during brake bleeding procedure.
  2. On all vehicles, connect pressure bleeding equipment according to equipment manufacturer's instructions and pressurize system to 29 psi (2 bar). If brake system was opened downstream of hydraulic unit (brake calipers, brake hoses and brakelines), bleed approximately 1/10th of a quart of brake fluid from each brake caliper in sequence. For caliper bleeding sequence, see BLEEDING SEQUENCE . If brake system was opened at hydraulic unit or upstream of hydraulic unit, bleed approximately 2/10ths of a quart of brake fluid from each brake caliper in sequence. For caliper bleeding sequence, see BLEEDING SEQUENCE . Allow brake fluid to flow until no air bubbles are present. Remove pressure bleeding equipment. Verify master cylinder reservoir is at proper level.
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