Sprinter 3500 L5-2.7L DSL Turbo (2004)
5. Rotate the brake lamp switch clockwise until the locking tab on the switch body fully engages the pedal bracket. Full locking tab engagement will
be accompanied by an audible click.
NOTE: Do not pull the brake pedal upwards as this will adjust the switch plunger to an incorrect position. The switch is properly adjusted when
the switch plunger is just contacting (no gap) the brake pedal arm with the pedal in the relaxed (released) position.
6. Release the brake pedal from its depressed position to automatically adjust the brake lamp switch plunger.
7. Reconnect the battery negative cable.