Open, Close Latch - AR47.10-P-4100-02GQ

MODEL 166 with ENGINE 157, 276, 278, 642, 651 

MODEL 292 with ENGINE 157, 276, 278, 642 

Open locking ring 

Courtesy of MERCEDES-BENZ USA

1. Unlock, detach all electrical connections and fuel lines on cover (1) and set aside.

   Do not kink or disconnect fuel lines.

   They will otherwise be damaged.

   Collect any escaping fuel with an absorbent rag.

2. Unscrew ring nut (2a) with claw wrench.

   Position side opening on claw wrench at the three nearly adjoining ribs (3) of the ring nut (2a).

   Close locking ring 

3. Remove threaded ring (2b) and seal (2c) and clean contact surfaces.

   Do not bring any contamination into the fuel tank.

   Damage and malfunctions can occur otherwise.

4. Replace ring nut (2a), threaded ring (2b) and seal (2c).
5. Hold using the ring nut (2a) and insert molding (1a) of the cover (1) into the cutout (4) on threaded ring (2b).

   Do not deform float linkage for the fuel level sensor.

   The fuel level fill level will be indicated falsely otherwise.

6. Press cover (1) firmly downwards and hold in this position.
7. Screw on ring nut (2a) as far as possible by hand and tighten down using a claw wrench.
8. Put on electrical connections and fuel lines.