To set the interior lights to come on when you unlock the door with the electronic key in a 2003 Mercedes-Benz E320, access the vehicle settings through the dashboard display. Navigate to the "Lighting" menu, where you can enable the "Welcome Light" feature. This setting allows the interior lights to illuminate when the doors are unlocked. Make sure to save your settings before exiting the menu.
when you open the door to your vehicle or unlock it with the key FOB, the lights turn on. usually the interior, headlights, and reverse lights shine.
Check the fuse for the interior lights. Nick
Unlock the ignition? Is the key not turning? This car has a steering lock, but if the key is not turning you probably have either a bad key or a bad EIS (electronic ignition switch) make sure you check it with BOTH keys first, if you have another one.
I believe you just lock and unlock it using the keyless entry, if available. If not, try the power locks.
That model did not have one.
a crowbar will usually do it
You take it to the dealership
There is not a way to unlock a 2010 C200 Mercedes trunk without the key unless the back seat is taken out. You can call a locksmith or your triple A service.
To unlock a locked interior door, you can try using a key, a credit card, or a paperclip to manipulate the lock mechanism. If these methods do not work, you may need to call a locksmith for assistance.
The unlock procedure for the 1991 Mercedes 560sel radio is pretty straight forward. The owner must call the dealer and provide the VIN of the car. The dealer will provide a code to reset the radio.
The door lock module/solenoid in the driver's door is bad. You will need to remove the door panel to get to it. Make sure you have a fresh battery in your keyfob just to make sure it isn't sending a strong enough signal to the locking mechanism but enough to trigger the interior light.
crowbar.