Problem Description and Possible Solution
The crankshaft position sensor may fail. Symptoms of this are: The engine will crank—but not start—especially when the engine is warm. The car may start again if it is left to cool off, but it may run roughly or have poor performance.
Average mileage: 122,502 (78,350–200,000)
11 model years affected: 1995
, more2000, 2001, 2002, 2003, 2004, 2005, 2006
24 people reported this problem
Car stalled when enginge gets hot and starts when engine cools off. Diagnostics will not pick up the problem. Installing a new sensor solves the problem.
abs light came on. very hard starting when warm. loss of any gas milage.seems as if batery is being drained.
engine will but not start when hot will start when cool off.
Sometimes car will not start on first try, it will just spin; however if you turn it off and try again it will start right up. This does not happen all the time and it doesn't matter if the car is cold or hot
Car would crank, but wouldn't start...Waited about 15 min, starts with engine light on. Diagnostic check revealed crankshaft position sensor at fault. replaced for 281.00 No further problems
This failure causes the engine to stall. It may or may not restart right away. Most any car made in the past 20 years has these and they wear out and cause stalling. Camshaft position sensor is a similar part which causes similar problem. Both Bosch parts are available on ebay for about $50 each and they are easy to change for even a novice with instructions you can find online. When my car started stalling I replaced both, no problems since.
my 2004 S500 sometimes will not start when the engine is warm. sounds like it wants to turn over, but doesn't. pouring water over the area of the engine between the back of the engine and the front of the engine compartment helps, but yesterday the car stalled twice within 4 miles of getting it started. Also have intermittent problems starting it--as if the battery is drained but the battery tests fine. will start in those cases with a jump. mechanic diagnosed over the phone the crank position sensor. trying to get in to get it repaired. Also the instrument panel has failed, and mercedes benz USA says my car is outside the 10-year warranty for this part. Just got the car. very frustrated.
Same as described/replaced sensor
And finally the wires broke coming off the CPS switch
Car will shut off mostly if paused at red light but has also happened while driving. Very scary especially when there is no shoulder to pull off on and traffic behind is beeping and trying to pass around my dead car. After 30 or so minutes, it will start. Very unpredictable.
Starts right away, but as soon as make a couple of stops and the engine is warm; won't start. If you let it sit for about 30minutes or so, starts right away.
Car will start while cold , after running turned off ; try to restart ?will not start .
Engine check light indicator on , car crank and continue trying to start but will not .
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