MY CAR DOES NOT START AFTER FIXING THE SHIFTER BOX - Mercedes-Benz Forum

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post #1 of 21 (permalink) Old 05-06-2011, 08:57 AM Thread Starter
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MY CAR DOES NOT START AFTER FIXING THE SHIFTER BOX

I recently bought a 1998 MB E320 Wagon. By the time I received the vehicle the level shift (I guess that is the name, the stick to move P-R-N-D-3-4-2-1) was loose. I dissemble the complete console to reach the shifter box. I remove the shifter box to see the inside of it and I found that I was a spring and a pin out of position. After putting everything in place I assembly back the console and the shifter. Now is working fine (tight) . NOW THE PROBLES IS THAT THE VEHICLE DOEN NOT START.... when i turn the key all the lights in the dashboard work fine, I heard the fuel pump working but the car does not start at all. It looks to me that is not making contact with something to pass the electricity to the switch or something else to start de vehicle.
In addition, I connect the computer to the vehicle to search for any codes and it pass with no codes or error at all.
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post #2 of 21 (permalink) Old 05-06-2011, 10:36 AM
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Normally, the car can start only in P or N for safety reason.
You may have a harness plug or wire or ground mixed up/disconnected telling the computer that the gear is in one of D,1,2,3,4 so it won't let you start the car.
Check the fuses, too.
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post #3 of 21 (permalink) Old 05-06-2011, 11:38 AM Thread Starter
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There is only three harness wich are
1- Abs (red connector)
2- Rear mirrows (doors) controls (white)
3- Power window (black)

I tripple cheched them and they are conected. where are the fuses that I need to check? ( I alredy check the ones in the rear seat (passenger side) where the batery is. There is any other fuses that I need to check...? where...? Thanks you for reply me and try to help me. Please if you have any other idea heeeeeeelp me
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post #4 of 21 (permalink) Old 05-06-2011, 12:07 PM
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It's unlikely the fuse(s) being the problem.
>>I remove the shifter box to see the inside of it and I found that I was a spring and a pin out of position.
How did you fix that? A missing ground could signal to the computer that the gear is in either D,1,2,3,4, or R. As I said, normally, car can start only in P or N.
Have you tried staring in N?
Set the parking brake so car does not roll, foot on brake, shift to N then try start it.
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post #5 of 21 (permalink) Old 05-06-2011, 02:15 PM Thread Starter
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Dear friend I'm so worry about this problem because I do not know if it getting worse or this is a better signal to fix or found the problem. I had to move the car out from my garage. I put it in neutral and pushed it, once outside I put it in park (all this with the vehicle turned off of course because it does not start, but the key in on position) I walked back to the garage and I realized that the car being in "P" the reverse light is off, in R is on but in N it is also on.... Could be that I moved something when I take out the shifter box to place the pin and the coil that were out of place? thank you!
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post #6 of 21 (permalink) Old 05-07-2011, 02:24 PM
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Originally Posted by julioch View Post
There is only three harness wich are
1- Abs (red connector)
2- Rear mirrows (doors) controls (white)
3- Power window (black)
I have no idea where you got that information? Those signals are nothing to do with the gear selector.

According to my drawing there are 3 connectors used here, from:

1. gear identification switch. S16/10
2. reverse lamp switch. S16/10s2
3. R/P lock electromagnetic actuator Y66/1

Does the key turn all the way to position 3, where the starter should energise. If so, can you hear the starter relay and the starter solenoid clicking? If not, what happens?
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post #7 of 21 (permalink) Old 05-08-2011, 10:19 PM Thread Starter
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Thanks for reply me. Yes the key turn all the way to position 3, where the starter should energize but, I can't hear either the starter relay or the starter solenoid clicking, Looks to me like I moved something out of position in order to make contact and let the electricity go through the starter. Now, as I mentioned before when I put the vehicle in NEUTRAL position with the key in position 2 (on) the reverse lights are "on" as well as when I put the vehicle in reverse. I have call three mechanics and all of them said they do not deal with Mercedes Benz... I really need help from some that can at least guide me to know what the problem is in order to fixed. I live in Miami, FL does some one knows a mechanic in this ares...? here is my cell phone 305 467 0161 Julio
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post #8 of 21 (permalink) Old 05-09-2011, 06:43 AM
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Hi Julio

If the key will turn all the way to the Start position, but nothing happens (not even the Start relay clicks) then the ECU (N3/10) is not allowing a start. You can forget all other ideas now.

Now this 'computer' has many inputs from sensors scattered around the car that affect the engine running/timing, but not all prevent you starting. The usual suspect here (for sudden engine start failure) is the Crankshaft Position Sensor, or CPS (L5) and I would go there first.

You have a M112 engine (same as mine in my CLK) and the location for changing the sensor is tricky. If you want to DIY, I can post a procedure here.

You could also do a Search in the archives here, as the CPS has been discussed many times. Go to Search ^^ at top of screen, and put CPS into the keyword window, then Search. Many threads will be listed, some with pictures.
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post #9 of 21 (permalink) Old 05-09-2011, 06:58 AM
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CHECK THE SHIFTER BUSHINGS. IF THE LINKAGE FROM THE SHIFTER TO THE TRANS IS MECHANICAL THERE ARE RUBBER BUSHINGS AT THE ENDS OF THE RODS. THEY WEAR OUT AND FALL OUT CAUSEING SLOP IN THE SHIFT LINKAGE. I.E. WHEN YOU PUT IT IN PARK IT DOESNT SHIFT ALL THE WAY INTO PARK BECAUSE OF THE RUBBER BUSHING BEING WORN OUT, WHICH IS WHY YOU REVERSE LIGHTS ARE STAYING ON! LOOK UNDER THE CAR ON ON THE DRIVERS SIDE OF THE TRANSMISSION. THERE SHOULD BE A BUSHING AT THE PRNDL SWITCH ON THE SIDE OF THE TRANSMISSION AND ONE FARTHER BACK BY THE FLEX DISC. IM WILLING TO BE THIS IS YOUR PROBLEM. I HAVE SEEN THIS MANY TIMES
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post #10 of 21 (permalink) Old 05-09-2011, 07:04 AM
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Quote:
Originally Posted by keyhole View Post
Hi Julio

If the key will turn all the way to the Start position, but nothing happens (not even the Start relay clicks) then the ECU (N3/10) is not allowing a start. You can forget all other ideas now.

Now this 'computer' has many inputs from sensors scattered around the car that affect the engine running/timing, but not all prevent you starting. The usual suspect here (for sudden engine start failure) is the Crankshaft Position Sensor, or CPS (L5) and I would go there first.

You have a M112 engine (same as mine in my CLK) and the location for changing the sensor is tricky. If you want to DIY, I can post a procedure here.

You could also do a Search in the archives here, as the CPS has been discussed many times. Go to Search ^^ at top of screen, and put CPS into the keyword window, then Search. Many threads will be listed, some with pictures.
Wait a min here Keyhole, you normally give good advice but this is simply wrong mate. The crankshaft position sensor and the camshaft position sensor will not stop the engine from turning, it simply will turn but not fire.
He has made a mistake with the shifter and is being locked out by the shifter as you suspected earlier.

He will need a mechanic on this, maybe he can find one here:

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