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Home >> Mercedes Benz >> 2021 >> Metris Van Cargo >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brakes -- Hydraulic & Mechanical System (1 Of 3) -- 447 Chassis >> Testing & Repair >> Remove/Install Brake Shoes Of Parking Brake - AR42.20-S-0530E

Remove/Install Brake Shoes Of Parking Brake - AR42.20-S-0530E

Model 447, 448 

Except Code XM7 (MOPF II) 

Model 447 

With Code XM7 (MOPF II) 

Except Code B25 (Electric parking brake) 

G16482733Courtesy of MERCEDES-BENZ USA
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
Notice  Notes on repairs to brake system   AH42.00-P-0003-01A 
REMOVINGINSTALLING Remove/install     
1 Connect diagnostic system and move parking brake into assembly position. Model 447.8, 448.8  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory IMPORTANT To do so, follow the procedure in the "Electric parking brake (EFB) control unit" menu. AD00.00-S-2000-04E
2 Remove respective brake disk on rear axle.   AR42.10-S-0240E 
3 Unhook pressure springs (2).    
4 Unhook lower extension spring (3). SPECIAL TOOL Removal and installation tool Fig 1
5 Remove brake shoes (1) with adjustment wheel (4) and upper extension spring (5). INSTALLATION IMPORTANT Clean surfaces of brake linings on brake shoes (1) by roughening up slightly with abrasive cloth.  
6 Remove spreading lever (6) from brake cable. IMPORTANT To do so, press out the armature pin (7).
INSTALLATION IMPORTANT Ensure that spreading lever (6) is in correct installation position. Lightly grease the contact surfaces of the spreading lever (6), brake shoes (1) and armature pins (7).
Long-life grease
*BR00.45-Z-1001-06A 
INSPECT Check     
7 Check condition of brake linings on brake shoes (1). HAND-HELD TESTER Brake lining thickness
If undersize or cracks are present,
↓
Replace brake shoes (1) on both sides of the vehicle.
*BE42.20-Z-1004-01KOB 
8 Install in the reverse order    
9 Adjust parking brake. Model 447.8, 448.8
with code B25 (Electric parking brake)
except code XM7 (MOPF II)
AR42.20-S-0540E 
    Model 447.6/7, 448.7
except code B25 (Electric parking brake)
except code XM7 (MOPF II)
Model 447.6
with code XM7 (MOPF II)
except code B25 (Electric parking brake)
AR42.20-S-0540EA 
CHECK VALUES FOR PARKING BRAKE

Number Designation Model 447, 448
BE42.20-Z-1004-01KOB Brake lining thickness New mm 4, 2
Wear limit mm 2, 6
Fig 1: Identifying Removal And Installation Tool (116 589 01 62 00)
G07473610Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1001-06A Long-life grease A 000 989 63 51 11