Only check and correct oil level in rear axle differential if rear axle differential is at room temperature. Required oil may run out at a higher temperature, while at a lower temperature overfilling can occur. Both can cause damage to the rear axle differential.
If the rear axle differential is not at room temperature:
Wait until the rear axle differential has cooled down or warmed up to room temperature.
2
Clean area around the filling screw (50g).
3
Unscrew filling screw (50g) and allow any oil which may escape to drain into a suitable container.
4
Check oil level in rear axle differential.
The oil must reach the lower edge of the threaded hole.
If the oil does not reach the lower edge of the threaded hole:
Top up oil to the lower edge of the threaded hole. Model 204 (except 204.077/277/377) with code 700 (Vehicle production location China) Model 212 (except 212.074/075/076/077/092/274/275/276/277/292) with code 700 (Vehicle production location China)
P35.31-2194-02
5
Clean filling screw (50g) and threaded hole in rear axle differential with clean, lint-free rag and cleaning spray.
Cleaning spray must not enter the rear axle differential. Otherwise, the rear axle differential may be damaged.
The filling screw (50g) and threaded hole must be free of oil and dirt. Otherwise, the threads may be damaged and start to leak.
6
Apply a drop of sealant to the second lower flank on the filling screw (50g).
7
Screw filling screw (50g) immediately into rear axle differential and tighten. Model 204 (except 204.377), 212.1 with code 700 (Vehicle production location China)
