SOURCE: Ignition failing to start -S280 MERCEDES BENZ 1999 MODEL
Crank shaft position sensor is bad. This is the most common failure. Its location is on the rear drivers side of engine, where the transmission bell housing mates to the engine, only one small bolt and a two prong electrical connector hold it on. Usually will not throw a trouble code. If you remove it you can test it with an ohm meter, will have an erratic reading or read open loop, can malfunction intermittently or permanently after parking vehicle and won't restart. Applying some heat source to it during ohm testing with a hot air heat gun will usually cause the sensor to read open loop if your not sure if its bad or not. This reply is probably way to late, but I just happened to come accross it while online. Harry (master certified MBZ diagnostic tech)
SOURCE: Need car manual for 1990 Mercedes-Benz 200E auto
Chilton publishes useful manuals for foreign cars. When I was running Mercedes diesels I relied on them. Haynes makes another useful manual for the MB. Haynes and Chilton can be reached at Sparkford Near Yovil, Somerset BA22 7JJ England.
SOURCE: Mercedes Benz car will not shift out of park. It
You are putting your foot on the brake before you try to move the shift lever, right?
Most cars have a locking device that prevents the shifter from moving unless the motor is running (key inserted into the wheel lock and on) and the brake petal is depressed.
SOURCE: the key isnt starting the car
Absolutely. Could also be that the smart key has a dead battery or has been compromised by moisture, etc.
Can you still lock & unlock the car with the smart key? If so, the battery is not dead, and you should look next at the ignition itself. Is there any response when you put the key in? Can you turn it? Are there signs that your battery is drained (dim/no lights work, etc)? If you are getting no response when you put the key in and you can turn it, and it still works to unlock your car and you can verify that you have battery power, start by checking your fuses. The ignition and starter fuses would be the first to check.
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