Mercedes-Benz 2006 SLK 280 Operator's Manual page 151

Controls in detail
Control system
i
All statistics stored since the last en-
gine start will be reset approximately
four hours after the SmartKey in the
starter switch is turned to position 0 or
removed from the starter switch.
Resetting will not occur if you turn the
SmartKey back to position 1 or 2
within this time period.
150
Fuel consumption since last reset
Press button è or ÿ repeatedly
until you see the first function of the
trip computer menu.
Press button j or k repeatedly
until you see After reset
function display.
1 Statistics called up: since last reset
2 Time elapsed since last reset
3 Average fuel consumption since last
reset
4 Average speed since last reset
5 Distance driven since last reset
Resetting fuel consumption statistics
manually
Press and hold reset button Juntil
the values of the statistics are reset
to 0 .
in the multi-
Resetting fuel consumption statistics
automatically
The values of the statistics will be automat-
ically reset to
values exceeds:
distance: 100000 miles (100000 km)
elapsed time: 10000 hours
0 when one of the following