How To Change Rotors And Pads On A 2011 Sl550

A complete list of applicable models can be found in the tabular array beneath.

What you volition need

Mercedes Rear Brake Pads
- Part Number: Varies between models. See the chart below.
- Ceramic brake pads are recommended.
Mercedes Brake Wear Sensor
- Part Number: 1645401017
Torx Socket Ready
Brake pad spreader
Jack and jack stands
Torque Wrench
Billow bar
Flat Head Screwdriver
Anti-seize grease

Procedure

Park the Mercedes-Benz on a level surface. Jack upward the machine and remove the rear wheels.
Remove the metal prune using a flat head screwdriver. Push the bracket towards the front of the machine to remove it.
Locate the ii bolts that secure the caliper on the subclass. 2 small caps need to be removed to encounter the bolts. Once you remove the bolts, you volition find the caliper bolts. These are either T40 or T45 bolts. On some models, a 10mm Allen wrench is required.
Unplug the restriction pad wear sensor.
Remove the caliper from the subclass.
Push button the piston into the restriction caliper using a brake pad spreader. If your Mercedes-Benz has electronic parking brakes, yous will need to place the rear brakes in service position via the instrument cluster. If you don't accept a brake spreader, use a flat head screwdriver to button the piston in, equally shown in the picture below. Removing the brake reservoir cap under the engine bay volition make information technology easier to push the piston back into the caliper. If your Mercedes-Benz has electronic parking brakes, you will need to put the rear brakes in the service position. You do this using the buttons on your steering wheel. Come across the owner's manual or look up our guide on "How to release Mercedes Electric Parking Brake Youcanic."
If y'all are irresolute the rotors, remove the two xviii mm bolts that secure the rear wheel associates's subclass.
Remove the T30 spiral from the rotor.Release the rear parking brake. Once yous remove the screw, y'all can remove the rotor. If the rotor is rusted, information technology may exist difficult to remove. If that is the case, utilize penetrating fluid and settle for at least ten minutes. Use a rubber mallet to push the old rotor out. Make certain the vehicle is secure and volition not roll.
Clean the rear hub and bracket from any debris or rust. Install the new Mercedes rear disk. Install rotor securing bolt.
Install the bracket and torque the 18mm bolts to specification.
Install the new Mercedes wear brake sensor on the new pads. You can reuse old vesture sensors if the sensor wires are not exposed. If the brake pad clothing sensor wires are exposed or had a warning on your musical instrument cluster stating "Brake pad habiliment," you will need a new sensor.
Install new Mercedes rear brake pads.Exercise NOT Employ GREASE OR ANTI-Bleat PASTE ON THE SURFACE Between THE PAD AND ROTOR. Rember to employ anti-squeal grease to the brake pads' back and at the area where the brake pads slide on the subclass. Apply grease to the guide pins. Slide the caliper on the subclass.
Tighten the guide pins to specification. The typical torque range is between xxx and 55 Nm and varies between models. Call your dealer to go the recommended torque specifications for your Mercedes-Benz.
Connect the brake pad wear sensor. Install the tire and torque the lug nuts.
If yous disconnected the SBC pump, reconnect information technology at this time. Start your motorcar and press the brake pedal a few times until the pedal becomes hard to press.
Check the brake fluid and accept your Mercedes-Benz for a test bulldoze.

Notes

disable mercedes sbc pump to change brake pads

If your Mercedes-Benz has an SBC brake system (common on early Due east-Class W211 and CLS models), it should be disabled earlier y'all work on the brake system.
- Recommended method: Deactivate the SBC brake system using Star Diagnosis Mercedes-Benz, which these days y'all can order on eBay if your machine has SBC brakes.
- Alternative method: You can disconnect the SBC brakes by unplugging the wire harness to the ABS pump. The brakes lacking warning will evidence up on the instrument cluster, just it will turn off once the ABS pump is connected. Past disconnecting your SBC pump using this method, a error lawmaking will exist stored in the ABS or SBC command unit but reset once the ABS pump is reconnected.
- Keeping SBC Agile: If y'all decide not to disconnect the SBC pump, avoid opening whatever car door or lock/unlocking the car because the brakes volition automatically apply. Be extremely careful when working on the brakes. If the SBC pump is activated when the caliper is removed, information technology will press the piston and restriction pads, possibly causing injuries.

Mercedes Rear Brake Pad Office Numbers

Mercedes Rear Brake Pads
- C-Class
  - W204 Rear Brake Pads
    - 007 420 85 twenty or 006 420 61 20
  - W205 Rear Brake pads
    - A 000 420 59 00 A 169 540 16 17
- E-Grade / CLS Grade
  - W211 Rear Brake pads
    - 004 420 44 20, 003 420 51 20 , 006 420 01 twenty, 0074201020
  - W212 Rear Brake Pads
    - 007-420-64-twenty / 0074206420, 007-420-68-twenty / 0074206820, 0054209320
- Southward-Class
  - W220 Rear Brake Pads
    - 003 420 51 twenty , 006 420 01 20
  - W221 Rear Brake Pads
    - A 006-420-01-20-41 A 211-540-17-17
  - W222 Rear Brake Pads
    - 0004203700, 000 420 37 00 / 0004203700, A 000 420 37 00 / A 0004203700, A000 420 37 00 / A0004203700
- ML-Grade
  - W163 Rear Restriction Pads
    - 1634200520
  - W164 Rear Brake Pads
    - 007 420 83 20, 006 420 41 20
- GL-Class
  - X164 Rear Brake Pads
- R-Class
  - W251 Rear Restriction Pads

Torque Specifications

Restriction Caliper Bolts - 25Nm
Caliper Bracket - 115 Nm

Applications

This guide applies to the following vehicles.

Show applications

2005-2011 Mercedes-Benz G55 AMG
2007-2009 Mercedes-Benz GL320
2010-2012 Mercedes-Benz GL350
2007-2012 Mercedes-Benz GL450
2008-2012 Mercedes-Benz GL550
2007-2009 Mercedes-Benz ML320
2006-2011 Mercedes-Benz ML350
2006-2007 Mercedes-Benz ML500
2008-2011 Mercedes-Benz ML550
2007-2009 Mercedes-Benz R320
2006-2012 Mercedes-Benz R350
2006-2007 Mercedes-Benz R500
2008 - 2014 Mercedes CL63 AMG
2008 - 2014 Mercedes CL65 AMG
2007 - 2011 Mercedes ML63 AMG
2007 Mercedes R63 AMG
2008 - 2013 Mercedes S63 AMG
2007 - 2013 Mercedes S65 AMG

The typical cost to change Mercedes-Benz rear brake pads yourself averages $100. The boilerplate toll to alter the restriction pads at an car mechanic or dealer range betwixt $250 and $500.

If you program to supersede the rotors, the cost would be 2 to three times more than but changing the brake pads. Old rotors tin can be turned and reused if they have enough thickness.

Source: https://www.youcanic.com/wiki/mercedes-rear-brake-pad-replacement

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