GLK250 Fuel Filter Change
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Fuel filter (2) with fuel/water separator, shown on model 204
- Unscrew bolts (1).
- Pull condensation sensor of fuel filter with heating element (B76/1) out of fuel filter (2). Release condensation sensor on fuel filter with heating element (B76/1) from fuel filter (2) if necessary by screwing in 2 bolts M6 x 40.
- Replace O-rings (3) and moisten with fuel.
- Insert fuel filter condensation sensor with heating element (B76/1) into new fuel filter (2) and tighten bolts (1).
- Replace dewatering screw (4) and O-ring (5).




