Removal
1. Remove the gearbox.
2. Remove the clutch release lever and clutch release assembly (only on cars with engine 611.980).
3. Unscrew plug 1 in clutch housing 4 (see figure 6.44).
Figure 6.44. Reverse gear lock:
1. Cork,
2. Spring,
3. Bolt,
4. Clutch housing,
5. Reverse gear locking device.
4. Remove spring 2 and pin 3. Installation
5. Installation is carried out in the reverse order of removal. Lubricate the threads of plug 1 with sealant.
(Article was obtained from the portal MERCEDESMAN.ru)