2004 Mercedes C-Class Owner's Manual - Page 308

Practical hints Unlocking/locking in an emergency Slide mechanical key 1 back into the SmartKey. Reach inside through opening 2 in direction of arrow. Turn release knob 1 clockwise (arrow). The fuel filler flap can now be opened. Manually unlocking the transmission gear selector lever In the case of power failure the transmission gear selector lever can be manually unlocked, e.g. to tow the vehicle. Open the storage compartment in front of the center armrest ( page 218). Release coin holder 1 (e.g. using a small coin). Swing coin holder 1 aside. Insert a tool 2 (e.g. flat blade screwdriver) into the opening. Perform the following two steps simultaneously: Push tool 2 down. Move gear selector lever from position P. Reinstall coin holder 1 after removing tool 2 from the opening. i When inserting the batteries, make sure they are clean and free of lint. Fuel filler flap In case the central locking system does not release the fuel filler flap, you can open it manually. i The gear selector lever is locked again when moving it to position P. Open the trunk lid. Fold away right-side tail lamp trim. 1 Coin holder 2 Tool 308