Mercedes-Benz CLK-Class Owner's Manual page 329

Practical advice
Troubleshooting
Automatic transmission*
Problem
Problems with gear shifts.
The acceleration capability is deteriorat-
ing.
The transmission no longer changes gear.
326
Possible cause/consequence
The transmission is losing oil.
The transmission is in emergency mode.
You can only shift to 2nd gear or reverse
gear.
Suggested solutions
Have the transmission checked immedi-
ately at a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre.
Stop the vehicle.
Move the selector lever to P.
Switch off the engine.
Wait at least ten seconds before restart-
ing the engine.
Move the selector lever to position D
or R.
In position D, the transmission shifts to
2nd gear, in R it shifts to reverse gear.
Have the transmission checked immedi-
ately at a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre.