Oil Level
Should I check it when the oil is hot (15-30 minutes after I stop the car) or when the oil is cold (the next morning)? Surely there will be difference in these 2 readings.

There is a very old thread on the W203 forum with me trying to work out the total capacity of the system. There was a discrepency in MB's published numbers & there are no ways we could ever drain enough to get 8.5 litres in without a high level warning..
Currently, at the morning start, I see 7.4-7.5 L. I wonder should I add a little oil now...
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(these are copied from https://mbworld.org/forums/c-class-w...nt-know-2.html POST #41)
To Dyno your C32, you will need to do the following:
1. To start, the key must be removed from the ignition.
2. Insert the key and turn to position 1.
3. Immediately press and hold the trip odometer reset button until the instrument cluster beeps. There is no visual message, only an audio beep. Be patient, this takes around 40 seconds.
4. Press the lower menu button (it looks like two sheets of paper, the one with the writing in the background behind the blank one) 5. Press the up arrow button.
6. Press the "+" sign to disable the Traction System (turn "ON" test mode) 7. Start the engine, the traction system is now disabled.
To return to normal, remove the key and restart the engine. The traction control warning should no longer be in the cluster. If it is, shut the engine off and remove the key again. Then insert the key and turn to position 1. Note that the DYNO test screen is displayed immediately. Push the "-" button to enable the traction system (turn "OFF" test mode)
NOTE: When you first turn the key to position 1, ESP DYNO Test screen pops up, then after 1-2 seconds it may disappear while faults are displayed. If you weren't fast enough in pressing the "-" button before codes were displayed, just wait until all codes cycle by, then the ESP DYNO Test screen will reappear.
The 3 clicks did not work for my car
1. Make sure the dispaly is on temperature before I shut off the engine.
2. Insery key and turn key to position 1.
3. Press the reset button 3 times.
I will hear a beep and now I am in dyno mode.



