Operating instructions
149 443 175
C 4.74
1
Bild_C253
2
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Maintenance every 500 hours
Change the engine oil
- Run the engine warm to operating temperature.
- Set the heating control to high.
- Place the vehicle on level ground and turn off the engine.
- Place a suitable oil pan underneath the engine.
CAUTION
Danger of scalding when draining hot engine
oil.
- Unscrew the oil drain plug (1).
- Allow the oil to drain completely.
ATTENTION
Observe the instructions for handling fuels
and lubricants.
- Refit the oil drain plug with a new gasket and tighten
it to a torque of 55 Nm.
- Fill new engine oil at the filler neck (2). Only use
recommended engine oil.
Filling capacity with filter and heater ............ 10.5 litres
- Let the engine idle briefly.
- After approx. 1 minute, check the oil level with the
dipstick (3).