343
Practical hints
What to do if …?
Problem Possible cause Suggested solution
v The yellow ESP warning lamp
comes on while driving.
The ESP is deactivated. Risk of accident!
̈ Switch the ESP back on (୴ page 84).
̈ Adapt your speed and driving to the pre-
vailing road and weather conditions.
If the ESP cannot be switched back on, have
the system checked at an authorized
Mercedes-Benz Center as soon as possible.
< The red seat belt telltale illumi-
nates briefly after starting the
engine.
The driver or the front passenger has not
fastened his or her seat belt.
̈ Fasten your seat belt.
The warning lamp goes out.