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Hi all,
Hopefully someone can help me here. My E class popped up a fault on the dash awhile ago and after checking under the seat 4 wires / a block connector has broken off. Ill attach the picture below. i have a E class w212 2014, Im wondering if anyone could help me understand which colour wires in the attached picture connect to which other wires as the colours are differnt. Wouldnt mind paying for this knowledge if need be aswell. Paypal only though. There is....
White and grey
Brown
yellow and red
Yellow.
Many thanks in advance.
Last edited by Joe Ward; Jun 11, 2022 at 03:14 PM.
Hi all,
Hopefully someone can help me here. My E class popped up a fault on the dash awhile ago and after checking under the seat 4 wires / a block connector has broken off. Ill attach the picture below. i have a E class w212 2014, Im wondering if anyone could help me understand which colour wires in the attached picture connect to which other wires as the colours are differnt. Wouldnt mind paying for this knowledge if need be aswell. Paypal only though. There is....
White and grey
Brown
yellow and red
Yellow.
Many thanks in advance.
from looking at your pictures, you are dealing with the seat SRS circuit. Beware that you should disconnect battery power when dealing with SRS to prevent injuries.
It looks like part of the connector wiring was broken off... you are asking for a schematic to solder a bypass around the SRS connector, right??
(you should really "replace this whole section of wiring to preserve passenger safety"- Tempering with SRS wiring may be hazardous ).
Last edited by CaliBenzDriver; Jun 11, 2022 at 04:19 PM.
HI thanks for the reply. yes i thought soldering them back would be the only option really. unless i can find a new connector and do it another way but not sure where to start there.
thanks for the reply, thats the wrong car though. Mines the newest face lift version i think. 2014 and those connectors look differnt to what is under the seat.
John,
I tried for an hour to go thru WIS to ID the 4 wires in question, I am baffled that I can't ID the white grey wire at N32/? seat control module or the A76 seat belt retraction system wiring diaghram.
I DO have have the same 4 colors combination wires as your car, but on my DRIVER seat.
So no wiring diagram I seen has grey-white wire. I am probably looking at the wrong module ( how can it be ??? ) or this is a facelift screw-up. MB information for facelift cars, some are not accurate.
For me it is worse, I am a right hand drive car and many ground points are NOT accurate.
These are the wires and harness as seen from BEHIND the seat towards the front of the car and DRIVER seat.
This is from my 2019 archive when I was thingking to replace the seat with Recaro, but no can't do.
Red-White, White-Grey, BROWN and Yellow-Red.
Your information is wrong : White and grey
Brown
yellow and red
Yellow. <<<< White-Red, yes ?
Your safest bet is to change complete wire assy and its going to be freaking nightmare to disconnect it on the opposite ends where it connect to other modules ( more than 1 for sure ).
If you are patient, take close up photo and ID the brand of the PLASTIC connector, you may get lucky and get the connector brand.
Zoom close up photos needed and magnifying glass.
Since I never mess with car seat YET, I do not even know those yellow connectors are connected to what module actually ?
Aside from N32/? seat controller, there will be airbag connections too. My seat is option 275 and no massage yada yada, the basic one only.
That is all for today.
Perhaps if I got more time, I will dig deeper as I am also curious that there is a grey-white wire on my seat.
Last edited by S-Prihadi; Jun 12, 2022 at 11:42 AM.
Reason: typo
I forgot to ADD, looking at the wire size, those 4 fat ones are POWER delivery and not data ( CAN-BUS) or simple command.
Brown 100% is surely Ground.
Other colors, I can't say with certainty.
Hi, thanks for this details reply. Yes your 4 wires are the same as mine, but i really need it a picture of the opposite side of that yellow connector so i can see which wires connect to which on the opposite side as they are differnt colours.
2016 E350 4Matic wagon, 2019 Ford Expedition, 2019 Chevy Bolt EV
Originally Posted by Joe Ward
Hi all,
Hopefully someone can help me here. My E class popped up a fault on the dash awhile ago and after checking under the seat 4 wires / a block connector has broken off. Ill attach the picture below. i have a E class w212 2014, Im wondering if anyone could help me understand which colour wires in the attached picture connect to which other wires as the colours are differnt..
if you will post your VIN, I can look up the correct wiring diagrams for the seats. I hesitate to try without the VIN, as I don't know if my 'reference' model is hte same as yours, my wife's 2016 E350 4matic wagon with the comfort/elegance packages, artico fake leather, post facelift.
2016 E350 4Matic wagon, 2019 Ford Expedition, 2019 Chevy Bolt EV
Originally Posted by Joe Ward
Oh thanks alot that would be great. my VIN is WDD2120022B052834.
Many thanks
so thats a GB/Ireland E220 CDI diesel, model 212.002... It has the following equipment codes,
Spoiler
03A OIL OFFSET AMOUNT +300 ML OIL
054 AEJ 23/2
064 STEUERCODE MAGNETVENTIL M651
108 CONTROL CODE MARKETING
197U OBSIDIAN BLACK
1U2 SNOW GRID
205B OWNERS MANUAL AND SERVICE RECORD - ENGLISH
211 EPS STEERING (ELECTRIC STEERING)
235 ACTIVE PARK ASSIST
244 SPORTS SEATS, FRONT
249 INTERIOR AND EXTERIOR MIRROR,AUTOMATICALLY DIMMING
255B MB MOBILO WITH DSB AND GGD
258 COLLIS.WARN. SYS. W/ ACTIVE BRAKE INTERV. FCW STOP
277 SPORTS STEERING WHEEL
279 ELECTRONIC GEAR RANGE SELECTION
283B AIRBAGLABLE - ENGLISH
291 PELVIS AIRBAG (PELVISBAG)
294 KNEE AIRBAG
309 CUP HOLDER
335B INSTRUMENT CLUSTER/HU LANGUAGE - ENGLISH
347 EMERGENCY CALL SYSTEM ECALL EUROPE
35A VGS D4-0, D3 PATTERN
427 AUTOMATIC TRANSMISSION 7-SPEED
428 STEER.WHEEL GEARSHIFT BUTTONS/SHIFT PADDLE PAINTED
461 INSTRUMENT WITH MILES IND. AND ENGLISH LEGEND
474 DIESEL PARTICULATE FILTER
475 TIRE PRESSURE CONTROL
4U4 RADIATOR GRILLE WITH CENTER STAR
502 3 YEARS OF MAP UPDATES FREE OF CHARGE
518 UNIVERSAL COMMUNICATIONS INTERFACE (UCI)
51U BLACK FABRIC ROOF INTERIOR TRIM
527 COMAND DVD APS WITH NAVIGATION
537 DIGITAL RADIO STANDARD DAB (DIGI. AUDIO BROADC.)
537L GREAT BRITAIN AND NORTHERN IRELAND
551 BASIC ANTITHEFT ALARM SYSTEM (ATA)
580 AIR CONDITIONER
5XXL EUROPE
610A FABRIC/IMITATION LEATHER/MICROFIBER
611A FABRIC/IMIT. LEATHER/MICROFIBRE - BLACK/ANTHRACITE
631 LEFT-HAND TRAFFIC STATIC LED HEADLAMP
660 AMG DOUBLE-SPOKE WHEELS 18" WITH MIXED TIRES
666 PRODUCT PROT.F.TRANSPORT VEH. W/O TIE-DOWN HOOKS
677 AVANTGARDE/STANDARD SUSPENSION
690 EMERGENCY SPARE TIRE (MINI SPARE)
6P5 STEUERCODE VERTRIEB FUER CODE 475 ANFORDERUNG
772 AMG STYLING PACKAGE-FRONT SPOILER, SIDE SKIRT
804 YOM 13/1
817 SIREN BRACKET FOR INCREASED THEFT PROTECTION
873 SEAT HEATER FOR LEFT AND RIGHT FRONT SEATS
875 HEATED SCREEN WASH SYSTEM
882 SENSOR SYSTEM AND ANTITHEFT ALARM SYSTEM
885 HIGHTEN THEFT PROTECTION
928 EXHAUST GAS CLEANING WITH EURO 5 TECHNOLOGY
950 AMG SPORTS PACKAGE
954 EQUIPMENT PACKAGE FOR AVANTGARDE VEHICLES
966 COC PAPER EURO 5 TECH. W/O REGIST. CERT. PART 2
989 IDENTIFICATION LABEL UNDER WINDSHIELD
A20 DIRECT START
A21 SHIFT BY WIRE
A62 FE TORQUE CONVERTER HOUSING 19
A66 FE CONVERTER 19 MM
A89 REDUCED-FRICTION
A98 TRANSMISSION SOFTWARE RETROFIT
B03 DIRECT START / ECO START/STOP FUNCTION
B09 REFRIGERANT COMPRESSOR WITH MAGNETIC COUPLING
B12 WHEEL REPLACEMENT TOOL
B54 MBCONNECT - REAL-TIME TRAFFIC DATA
D5B No code designation available
DL3 No code designation available
F212 MODEL SERIES 212
FW LIMOUSINE
G908 TRANSMISSION CODE VERSION 08
GA AUTOMATIC TRANSMISSION
H79 TRIM ELEM. - ALUM W. LONGIT./TEXTURED GRAIN (2C16)
HA REAR AXLE
J5A DSM: STAR1 FBS4 UPDATE
J81 JUNE RELEASE
K11 ADAPTIVE STOP LIGHT FLASHING
K13 CONTROL CODE FOR SERVICE INTERVAL 25000 KM
M22 DISPLACEMENT 2.2 LITER
M651 R4-DIESEL ENGINE M651
P54 THEFT PROTECTION PACKAGE
R RIGHT-HAND STEERING
R01 SUMMER TIRES
U01 REAR BELT STATUS INDICATION
U18 AUTOMATIC CHILD SEAT RECOGNITATION (AKSE)
U26 FLOOR MATS - AMG
U60 PEDESTRIAN PROTECTION - ACTIVE ENGINE HOOD
U72 DVD PLAYER WITH REGIONAL CODE 2, EUROPE, JAPAN
V60 SPEED- + LOADINDEX 97Y XL
VL FRONT AXLE HALF, LEFT
VR FRONT AXLE HALF, RIGHT
hmmm. the passenger seat pressure sensor on your version has brown, pink/black OR violet/green, and red/blue wires on the N2/10 (SRS control unit), so I don't think thats it. X55/4 is the front passenger seat connection block for a RHD car
I think we're going to need to know whats on the other end of either side of that connector in order to trace those wires down.
this is gnarly complicated, because there's so many combinations in the world market of different levels of SRS systems, power seat controls, etc etc. you have active child seat detection (code U18). There's apparently also a 'belt tension sensor' B48/3, which has a captive connector (with white, pink, black, and NC (no connect) on 4 pins), then a cable from that connector to X28/42 which connects white to white, pink to pink/white, and black to brown/white, NC to NC, and that in turn goes to N110, the Weight Sensing System (WSS) Control Unit. sooo much fun.
Last edited by Left Coast Geek; Jun 12, 2022 at 03:14 PM.
2016 E350 4Matic wagon, 2019 Ford Expedition, 2019 Chevy Bolt EV
do we have any clue what either end of this connection goes to ? I went through dozens of pages of seat related schematics and if I knew what this connected, I could narrow it down.
2016 E350 4Matic wagon, 2019 Ford Expedition, 2019 Chevy Bolt EV
the huge complication here is there are so many code options that impact the seat wiring. and WIS is pretty darn complicated to navigate. mebee tomorrow I'll pull as many of the seat schematics as i think apply to your car and upload them as PDFs I'll lead with your datacard which has all the option codes, as many of the diagrams cover multiple options via using dotted boxes with U codes. right now, its almsot 2am, and I'm on my phone, not my big dual screen desktop.
John, becareful, for my car and DRIVER seat but code 275 :
1 - White/Red <<<<< AIRBAG pin 1, pelvis airbag
2 -White/Grey <<<< AIRBAG pin 2, pelvis airbag
3 - BROWN <<<< Ground of airbag
&
- Yellow-Red <<< one of the wire for NECK-PRO head restraint solenoid
1 to 3 they are R12/41 AIRBAG squib !! ( .The squib is the component within the air bag inflator that begins the deployment process.)
So battery need to be disconnected.
Here is a video which shows easy way to remove seat's azz-piece ONLY ( if you have not ) to access connectors without removing complete seat out of the car.
I found my WHITE-GREY cable, got a headache needing to look down and leg up
These are small wires not even 1.5mm DUHHH, I tot they are big from photos.
Anyway, here are our ( John's & mine ) problem :
Wiring assy end connector, let's use X55/3 for my driver seat, where the pelvis air bag wire are located, is in the WIS digram...yes.
However, X55/3 connector end does not go directly to the airbag, but via airbag connector and wires. If there is NO change in wire colors, we are gold.
If there are wires color change....hhmmmm, we need to inspect visually to make sure if any.
Utube
From Benz forum
Utube
I don't understand how John's passenger seat ( LEFT side, because he is RHD like mine ), the WIS wiring diag for air bag control unit N2/10 which is for all W212 cars, does not show his actual as-is 4 colors combo ?
I have not inspected my Passenger seat wire colors for pelvis airbag.
Attached the N2/10 airbag wiring diag, 2 sheets.
Attached Driver (N32/1) and Passenger (N32/2) seat controller wiring diag. BUT this is for : Model 212 with code 275 (Memory Package (driver's seat, steering column and mirror))
I have not yet search for Code 244 Sports Seat.
While you’re in STAR wiring pull connector/pin illustration for b48, b41/1, r12/42, y24.13 to assist in identifying broken connector possibly circumventing harness replacement.
While you’re in STAR wiring pull connector/pin illustration for b48, b41/1, r12/42, y24.13 to assist in identifying broken connector possibly circumventing harness replacement.
Is there a way not going thru Xentry and hooking to the car OBD2, to get connector specification ?
It doesn't matter his car is not 275 seat, I too initially was hunting down my 4 wires same colors as John on same yellow color connector thinking it belongs to Seat Controller, but they dont.
Those 4 wires belong to airbags.
I was hoping MB will place 100% information on its seat information sheet,all the way to airbag, but they split it.
The headrest NECK-PRO also belongs to airbag wiring. Very confusing at first me focusing all attention to Seat Controller N32/1 and N32/2 for Code 275 seat.
While in STAR wiring click on r12/42 in wiring diagram should bring up option to display associated connector/pins. I do not have access to STAR at the moment otherwise I would do it. And yes it would be best to identify equipment to pull and relevant model year diagram. Also check wiring diagram legend for U848, U859, U958 & U831 explanations.
Last edited by konigstiger; Jun 13, 2022 at 02:20 PM.
2016 E350 4Matic wagon, 2019 Ford Expedition, 2019 Chevy Bolt EV
Originally Posted by S-Prihadi
Is there a way not going thru Xentry and hooking to the car OBD2, to get connector specification ?
ODBC has zero knowledge of wiring, that would be like asking a network of computers where their ethernet cables are physically routed... they don't know or care, they just know they can send data back and forth.
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