2003 slk 320 engine will not rotate. replace battery, all light on when ignition is turned to start. fan blower comes on to full speed. no ignition

HAVE STARTER CHECK OR CHECK STARTER YOUR SELF.GO AUTO PARTS STORE BUY A STARTER REMOTE SWITCH.REMOVE STARTER.GET BATTERY JUMPER CABLES OUT OF TRUNK. HOOK THEM TO CAR BATTERY.BECAREFUL DONT CROSS THEM UP.TAKE POSITIVE BATTERY JUMPER CABLE HOOK TO STARTER SOLENOID POSITIVE TERMINAL AND NEGATIVE BATTERY CABLE GROUND TO STARTER. NOW TAKE REMOTE STARTER SWITCH HOOK RED REMOTE WIRE TO STARTER SOLENOID POSITIVE TERMINAL OR POST.AND HOOK THE BLACK REMOTE WIRE TO STARTER SOLENOID SWITCH WHICH IS LETTER S ON STARTER SOLENOID.PRESS REMOTE SWITCH STARTER SHOULD SPIN WITH SOME TORQUE VERY FAST.IF NOT STARTER SOLENOID FAULTY. IF STARTER DOES WORK WITH REMOTE SWITCH YOU HAVE PROBLEMS IN TRANSMISSION SHIFT LEVER CONTROL MODULE RANGE SWITCH. OR IMMOBILIZER SIGNAL.WRONG KEY OR WORN KEY FAULT IN IMMOBILIZER MODULE. HAVE VECHICLE SCANNED THAT WILL SAVE MONEY FROM GUESSING GAME.MEANT TO TELL YOU CHECK STARTER RELAY.IF YOU HAVE MANUAL TRANSMISSION YOUR CLUTCH SWITCH WILL PREVENT STARTER FROM WORKING IF FAULTY. HAVE STARTER CHECK OR CHECK STARTER YOUR SELF.GO AUTO PARTS STORE BUY A STARTER REMOTE SWITCH.REMOVE STARTER.GET BATTERY JUMPER CABLES OUT OF TRUNK. HOOK THEM TO CAR BATTERY.BECAREFUL DONT CROSS THEM UP.TAKE POSITIVE BATTERY JUMPER CABLE HOOK TO STARTER SOLENOID POSITIVE TERMINAL AND NEGATIVE BATTERY CABLE GROUND TO STARTER. NOW TAKE REMOTE STARTER SWITCH HOOK RED REMOTE WIRE TO STARTER SOLENOID POSITIVE TERMINAL OR POST.AND HOOK THE BLACK REMOTE WIRE TO STARTER SOLENOID SWITCH WHICH IS LETTER S ON STARTER SOLENOID.PRESS REMOTE SWITCH STARTER SHOULD SPIN WITH SOME TORQUE VERY FAST.IF NOT STARTER SOLENOID FAULTY. IF STARTER DOES WORK WITH REMOTE SWITCH YOU HAVE PROBLEMS IN TRANSMISSION SHIFT LEVER CONTROL MODULE RANGE SWITCH. OR IMMOBILIZER SIGNAL.WRONG KEY OR WORN KEY FAULT IN IMMOBILIZER MODULE. HAVE VECHICLE SCANNED THAT WILL SAVE MONEY FROM GUESSING GAME.MEANT TO TELL YOU CHECK STARTER RELAY.IF YOU HAVE MANUAL TRANSMISSION YOUR CLUTCH SWITCH WILL PREVENT STARTER FROM WORKING IF FAULTY.