E-Class (W211) 2003-2009

Shifter code P1856

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Old Apr 10, 2018 | 04:16 PM
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E500
Shifter code P1856 *FIXED*

I cannot get back into reverse or park with my foot on the brake. if I take my foot off the brake (oddly enough) it goes back into reverse or park just fine, every time

car is also in limp mode, trans won't shift

do I need the whole shifter assembly, and if so what is the part number for that? thanks

Last edited by scott099; Apr 13, 2018 at 07:21 PM.
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Old Apr 10, 2018 | 04:35 PM
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'71 Pinto
2112672924, used $162.80 https://www.ebay.com/itm/03-09-Merce....c100011.m1850


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Old Apr 11, 2018 | 12:40 AM
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2012 E350 4Matic
Have you checked the brake switch yet? It's much cheaper and easier to replace than the shifter assembly, and more likely to go bad (true on all cars) since it's subject to more wear.
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Old Apr 11, 2018 | 05:23 AM
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E500
Originally Posted by konigstiger
can the used one be programmed with star?
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Old Apr 11, 2018 | 11:09 AM
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'71 Pinto
Simply need to read/clear fault memory and perform function test with STAR, see line 19 of attachment.
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Old Apr 11, 2018 | 11:29 AM
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E500
Originally Posted by Andre91
Have you checked the brake switch yet? It's much cheaper and easier to replace than the shifter assembly, and more likely to go bad (true on all cars) since it's subject to more wear.
yes I tried a brand new one, no luck
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Old Apr 13, 2018 | 07:01 PM
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E500
well it turns out someone had HACKED the shifter to even work at all! note the drywall screw holding in the emergency release button, unreal!

the shifter that was on the car wasn't even the same part number, had a different connector... amazing what people will do to save a buck!

got it fixed and I must say it was really easy! shifts again no problem!

looks like all I have it a brake wear indicator left to tackle. ABS & ESP are still off for some reason, but overall I'm happy! thanks again for the help everyone

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Old Apr 14, 2018 | 08:32 AM
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W223 S500 LWB 4-Matic, W222 S450 LWB 4-Matic, A238 E400 Cabriolet 4-Matic
Wow, what a drywall screw hack.

Originally Posted by konigstiger
Simply need to read/clear fault memory and perform function test with STAR, see line 19 of attachment.
I wonder if a diagnostic code reader such as the iCarsoft MB II would allow a used replacement shifter to work without needing STAR? It does clear the codes. Probably doesn't "run diagnostics" though.

I was very close to having to replace my shifter assembly recently, but tore it apart and found a cracked solder joint on one of the solid state LED light gate sensors on the PC board inside.


Last edited by Sleeper Benz; Apr 14, 2018 at 08:34 AM.
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