Ignition switch 1993 400SL Mercedes - 1993 Mercedes-Benz Mercedes Benz 400 Class

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code p1570 refers to ignition switch control module/ECM-attempted theft/data bus/not compatible ===causes --wiring--connections--trouble codes stored in other system--ignition switch control module---ECM
If this is a recent problem I would suggest that the ignition switch module be checked/replaced.

Insure the rod running to the actual ignition switch moves freely. It is at the top of the column and surfaces at the bottom.

Switch on ignition. Cycle left steering wheel buttons till mileage and trip are displayed. Press reset button ( left corner of instrument cluster ) for 3 seconds until reset message appears, release and press again within a few seconds and confirmation will appear on dash. switch off ignition.

1. The following fuses can cause the car not to start. Check and Replace fuses B, 5 and 6 and 7.
2. Check the power to the neutral safety switch. When the ignition switch is activated there is no power to the neutral safety switch. Power to the neutral safety switch comes from the ignition switch on the violet wire. If there is no power at the violet wire when the key turns to start, the ignition switch is probably bad or there is a problem with the wiring to the switch.
   

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Switch ignition on
Press trip counter button twice
Switch ignition off
Press and hold trip button while switching ignition on
After 10 seconds new service interval will be displayed +beep
Release trip button
Switch ignition off

If you want to reset after oil change.
Switch ignition ON and immediately press button o [left of dash under +/-] Twice
Switch ignition OFF
Press and hold button o while switching ignition ON
After 10 seconds the new interval will appear with a beep
Release button
Switch ignition OFF
Reset done.

ignition switches are a known issue with this era mercedes. Not too difficult to change the ignition switch. Google is good source for pics, videos and instructions on this. Be aware that the switch is about $400 from the dealer. You could get one without matching key for alot cheaper if you dont care about that. Also, you can get one without the key lock for much cheaper if you are able to remove the key lock from your existing switch.

1996 Mercedes E-Class Alarm, Remote Starter, Keyless Entry Wiring Information Constant 12V+ Red Ignition Switch Harness Starter Purple Ignition Switch Harness Ignition Pink/Black Ignition Switch Harness Ignition 2 Pink/Yellow Ignition Switch Harness, Accessory 2 Accessory Pink/Blue Ignition Switch Harness Tach Black Coil Brake Switch Black/Red Brake Switch Trunk Pin Brown/Yellow/ (-) Trunk Light Parking Lights Gray/White L And Gray R at Light Switch or Alarm Module Head Lamp White/Yellow (+) Light Switch Factory Disarm Blue (-) Driver's Kick Panel Door Trigger Gray/Black (+) Gray/Red Head Light Switch Door Lock Blue/Yellow (-) Driver's Kick Panel Door Unlock Blue/Black (-) Horn Wire Black/Yellow OEM Alarm in Trunk

hi,pls.post your vin number,so i could post you inquiry,ty