Test Preparation
WARNING: This page does not describe the selected car, but rather 29 other vehicles, including the 1999 Mercedes-Benz E430, 1999 Mercedes-Benz E320, 1999 Mercedes-Benz E300, 1999 Mercedes-Benz CLK430, and 1999 Mercedes-Benz CLK320. However, it is still accessible from the selected car via links, so may be relevant.
Ensure battery voltage is 11-14 volts. Ensure all fuses are okay. Ensure voltage supply to control modules and CAN data lines are okay. Ensure central locking system is operating properly. Ensure transmitter batteries are okay. Open sun roof and lower windows approximately 4" (100 mm). Remove key from ignition switch. Close all doors and trunk lid.