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Practical hints
What to do if …?
Problem Possible cause Suggested solution
l The red Distronic indicator lamp
comes on while driving.
You are too close to the vehicle in front of you
to maintain selected speed.
̈ Apply the brakes immediately to in-
crease the following distance.
l The red Distronic indicator lamp
comes on while driving and you
hear a warning sound.
ț You are gaining too rapidly on the vehicle
ahead of you.
ț The distance warning system has recog-
nized a stationary obstacle on your prob-
able line of travel.
̈ Apply the brakes immediately.
̈ Carefully observe the traffic situation.
You may need to brake or maneuver
to avoid hitting an obstacle.
v The yellow ESP warning lamp
comes on while driving.
The ESP is deactivated.
Risk of accident!
Adapt your speed and driving to the prevail-
ing road conditions.
̈ Switch the ESP back on (୴ page 81).
If the ESP cannot be switched back on,
have the system checked at an autho-
rized Mercedes-Benz Center as soon as
possible.