| 1. The parking brake works irrespective of the hydraulic brake system. At the same time brake shoes of drum type are used, and as the brake drum an internal part of a brake disk is used. |
| 2. Remove a back brake disk and note an arrangement of all details of the brake mechanism (see rice. An arrangement of details of the brake mechanism of the parking brake on the left side of the car). |
| 3. Using flat-nose pliers, remove a plate of a spring of fixing of a brake shoe, pressing a plate and turning it on 90 °. Remove a spring from a brake board. Provide access to springs through openings under bolts of fastening of a wheel in a flange of a nave of a back wheel (see rice. Removal of the springs holding brake shoes). |
| 4. Being careful, remove the lower returnable spring of brake shoes of the parking brake. At the same time note a spring arrangement as it is asymmetrical (see rice. Removal of the lower returnable spring of brake shoes of the parking brake). |
| 5. Remove the lower ends of brake shoes from the sliding mechanism and, moving up, remove brake shoes in collecting (see rice. Removal of brake shoes assembled from the back brake mechanism of the parking brake). |
| 6. Note an arrangement of brake shoes, then remove the top returnable spring and separate brake shoes from an adjusting level. |
| 7. Check wear of brake shoes and existence on them of pollution and, if necessary, replace blocks. Also it is recommended to replace returnable springs. Mercedes-Benz does not regulate extreme wear of brake shoes of the parking brake, however brake shoes need to be replaced if thickness of a frictional layer of a block is less than 1,5 mm. |
| 8. Clear and check a condition of an adjusting level and the sliding mechanism and, if necessary, replace it. Grease a carving of an adjusting level and the surface of sliding of the sliding mechanism. |