2004 Mercedes E-Class Owner's Manual - Page 315

Practical hints What to do if ... Problem Possible cause The red DTR warning lamp comes on while driving. The red DTR warning lamp comes on while driving and you hear a warning sound. You are too close to the vehicle in front of you to maintain selected speed. You are gaining too rapidly on the vehicle ahead of you. The distance warning system has recognized a stationary obstacle on your probable line of travel. The fuel level has gone below the reserve mark. The warning lamp reminds you to fasten seat belts. Suggested solution Apply the brakes immediately to increase the following distance. Apply the brakes immediately. Carefully observe the traffic situation. You may need to brake or maneuver to avoid hitting an obstacle. Refuel at the next gas station ( page 278). Fasten your seat belt. l l W < The yellow fuel tank reserve warning lamp comes on while driving. The red seat belt warning lamp flashes for a brief period after starting the engine. 315