51 31 200 Removing and installing/replacing rear window
Special tools required:
The "NOTES ON WINDOW BONDING; WORK STEPS FOR REMOVING AND INSTALLING WINDOW GLASS " serve as the basis for these repair instructions and must be followed without fail.
Cover rear side panels with protective covers.
When reusing the rear window:
Do not damage wires for rear window heater/antenna.
Necessary preliminary tasks:
- Remove PANELS FOR ROOF PILLAR at rear left/right
- Remove AUXILIARY BRAKE LIGHT
- Remove AERIAL/ANTENNA AMPLIFIER
- Remove rubber frames for rear window. See REPLACING RUBBER FRAME (TOP/SIDE) FOR REAR WINDOW and REPLACING RUBBER FRAME (BOTTOM) FOR REAR WINDOW .
Release screw (1) on left/right.
Disconnect plug connection (2) on left/right.
Tape off edges of rear lid and body all round with fabric adhesive tape (e.g. Tesa).
- Rear window
- Glue bead
- Body opening
- Fabric adhesive tape
Tape off body in area of piercing point with fabric adhesive tape (risk of damage).
Push wire starter from ROLL OUT 2000 at line (1) through adhesive bead.
Replacement only:
Attach a 24 mm U-shape blade to tool.
Regrind blade with a grinding stone while machine is running (new blades also).
Insert blade carefully between rear lid and rear window.
Guide web of knife parallel to rear window.
Cut through cement bead as closely as possible to rear window.
Lift out rear window with special tools 51 3 010 .
Pull off adhesive tapes all round.
Overview of rear window bonding (E60):
| 1 | Glue bead | A | 7 ± 1 mm (width of adhesive bead) |
| 2 | Ceramic layer | B | 11-2 mm (height of adhesive bead) |
| 3 | Primer coat | C1 | 2 ± 1 mm (spacing from 1 to 5) |
| 4 | Application point of glue bead | C2 | 3 ± 1 mm (spacing from 1 to 6) |
| 5 | Rubber frame at top with aluminium section | D | 17 -1 mm (width of primer trace all round) |
| 6 | Rubber frame at bottom with aluminium section | E | 0 mm (spacing from 3 to 5 and 6) |
| 7 | Connections for heated rear window | F | 95 mm (spacing from 4 to 5) |
| 8 | Connections for TV and radio antennas | R1 | approx. 1.5 mm (radius of 1) |
| 9 | Connections for additional stop light | R2 | approx. 16 mm (radius of 3) |
| R3 | approx. 20 mm (radius of 1) | ||
Attach special tool 51 3 010 twice to tool trolley. Moisten suction surfaces and secure rear window from outside.
If reusing removed rear window, remove residual adhesive down to 0.5 mm.
Secure cables of heated rear window/antenna(s) with adhesive tape.
Install rubber frames (5 and 6), paying attention to center markings in so doing.
Virtually vertical part (B) of adhesive bead (1) must point to window edge or rubber frame.
Spread cement bead (4) with special tool 00 9 322 .
Installation:
Adhesive area for yellow plastic adhesive tapes (1) must be free from grease and dust.
Carefully install rear window with special tools 51 3 010 as follows:
- position at top at distance (A) to roof edge
- align sides evenly
- insert at bottom and press down
- press upwards until distance (A) to roof edge is obtained
- secure with yellow plastic adhesive tapes (1)
- press down at bottom until rubber frame is uniformly in place
A = 5 mm (use special tool 51 3 032 )
Preload on top of windscreen to prevent wind noise:
Rear window (1) must be lower than roof outer skin (2). This is the only way to prevent wind noises.
Position special tool 51 0 010 in middle of vehicle depending on measurement (A) and check underprotrusion of rear window (1).
Rear window underprotrusion (A):
A = 3.2 ± 1 mm
X = Measurement stages 1... 4 mm