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Mercedes-Benz E55 1996 Installation Instructions Manual page 21

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Step 9
Bleed Brakes
Complete installation on both sides of the vehicle before bleeding the system.
Note: The calipers and lines will need to fill with fluid, quickly draining the master cylinder reservoir.
Keep a close watch on the fluid level when initially bleeding the system. Do not allow the master
cylinder reservoir to run dry and draw in air. Doing so may require the brake system to be serviced
by a certified brake technician.
Bleed the brake system using an 11mm wrench on the bleed screws:
- The sequence for bleeding the brakes should be:
1. Right outboard bleed screw
2. Right inboard bleed screw
3. Left outboard bleed screw
4. Left inboard bleed screw
Though a torque wrench is typically NOT used on bleed screws, as a reference, torque for bleed
screws should be 100-140 INCH/Pounds.
After initially bleeding the system, gently tap the caliper body with a non-marring mallet or ham-
mer to dislodge any small air bubbles and re-bleed.
After bleeding, with a constant pressure applied to the brake pedal, check all connections, includ-
ing bleed screws, and both ends of the line for leaks.
Brake fluid will damage most painted surfaces. Immediately clean spilled brake fluid from any
painted surface, including the caliper. Though caliper paint is designed to resist harsh chemicals,
prolonged exposure will damage the finish.
21

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