| When carrying out repairs, install all parts supplied in repair kit. |
| Use only methylated spirits for cleaning the brake. |
| Apply thin coat of assembly paste G 052 150 A2 to brake cylinder, piston and sealing ring. |
| 1 - | Dust cap |
| Fit onto bleeder valve. |
| 2 - | Bleeder valve |
| Apply thin coat of assembly paste G 052 150 A2 to thread before screwing in. |
| 10 Nm |
| 3 - | Hexagon bolt |
| Renew after removing. |
| 35 Nm |
| 4 - | Guide pin |
| 5 - | Protective cap |
| Insert into brake carrier and guide pin groove; grease groove beforehand, use repair kit grease pack. |
| 6 - | Brake carrier |
| Supplied as preassembled replacement part with greased guide pins and protective caps. |
| If protective caps or guide pins are damaged, install repair kit. Use lubricant sachet supplied to lubricate guide pins. |
| 7 - | Protective cap |
| Removing and installing → Chapter |
| When inserting piston, take care not to damage it. |
| 8 - | Piston |
| Removing and installing → Chapter |
| Apply thin coat of assembly paste G 052 150 A2 to piston before installing. |
| 9 - | Sealing ring |
| Removing and installing → Chapter |
| 10 - | Brake caliper |
Removing and installing brake caliper PC57Purging (cleaning) refrigerant circuit with refrigerant R134a
Vehicles with high-voltage system (hybrid vehicles)
Observe the additional warning instructions for working on
vehicles with high-voltage system
→ Electrical system; Rep. gr.93.
...
Removing and installing control unit for electronic steering column lock
-J764-
Note
When renewing control unit, select
Renewal function for respective control unit in “Guided
fault finding” or “Guided functions” using → Vehicle
diagnostic tester.
Special tools and workshop equipmen ...
Removing and installing electronics box (E-box)
Removing
–
With ignition switched off, disconnect earth cable from
battery
→ Chapter.
Diesel engine
–
Remove engine control unit and lay to one side with
...