Unlocking Vehicle Using Mechanical Lock Cylinder
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.
Insert key into door lock cylinder and attempt to unlock vehicle. Ensure vehicle unlocks. If vehicle does not unlock, perform TEST 3 and TEST 4 under SYSTEM TESTS .