Current Consumption
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 Mercedes-Benz SL600, 2001 Mercedes-Benz SL600, 2000 Mercedes-Benz SL600, 1999 Mercedes-Benz SL600, and 1998 Mercedes-Benz SL600. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect fuel pump relay (K27). Fuel pump relay (K27) is located in right front corner of trunk. Connect a ammeter between relay sockets No. 1 and 3. Turn ignition on. Amperage should be 4-9 amps. If amperage is within specification, test is complete. If amperage is not within specification, possible cause is fuel pump defective. Repair as necessary.