Mercedes: locked steering, mercedes benz c, number search results

Question
hi. today when i inserted the key to start the car, i was unable to rotate it. the steering wheel was also locked as well. the key was locked as well. i tried wiggling / rotating the wheel but that did not help at all. the key key won't rotate. its a mercedes benz, C class 1996. please help. i can take the key out and it goes in perfectly but can't rotate it and the steering wheel is locked as well. thanks  

Answer
Answer:
Best advice:
Have it towed to the dealer for repair.

Here is data that may allow you to DIY, it can be very difficult.

Ignition Cylinder Tumbler replacement; mixed diesel/gas
http://www.mercedesshop.com/shopforum/showthread.php?p=1065596


PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1996 Mercedes Benz C 220
Part: Ignition Lock Cylinder
Note:  W/ Lock Undefined
M5040-97663 Ignition Lock Cylinder IN STOCK $41.16

http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=merc...


Vehicle: 1996 Mercedes Benz C 220
Part: Ignition Lock Housing

Includes 202 545 01 04 ignition switch but does not include 202 460 07 04 tumbler or 202 460 00 75 interlock pawl.        $97.02   

http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=merc...


PART NUMBER SEARCH RESULTS WITH PRICES
Vehicle 1996 Mercedes Benz C 220
Part: Ignition Lock Cover
M5041-100145 Ignition Lock Cover IN STOCK $14.70

http://catalog.eautopartscatalog.com/mercedesshop/sophio/wizard.jsp?partner=merc...