Teutonic_Driver

SRS light is back on after I seemingly fixed it by taking apart the front passenger seat and cleaning/reconnecting everything. I decided to splurge and buy the Youcanic reader to reset the light and diagnose the issue. Looking forward to having this tool for my other rides, too.

davmil2002

Please post how it works on your MB. Thanks

Teutonic_Driver

Got the scanner this weekend. In a word: impressive. Impressive build quality. Impressive screen size and resolution. Impressive comprehensive support for vehicles. Impressive functional options. Wow. Best money I've ever spent on a repair tool.

Worked like a dream on my W210. I reset my SRS light and then ran -- and emailed the report -- to my email box. Turns out there are a heck of a lot of errors in my ECU. I'm not sure I understand all of them or how to fix them. Seriously. I'm not qualified to interpret these codes (I'd appreciate any insights this community may have):

ETC-Electronic transmission control

ID Status Description

116 Stored Component Y3/6s1 (Starter lockout contact) or the lead occasionally has a short circuit.

135 Stored CAN communication with the engine system is sporadically disturbed.

ESP-Electronic stability program

ID Status Description

C1120 Stored N64 (ESP yaw rate sensor)

C1140 Stored N49 (Steering angle sensor) Signal cable has Open circuit or Short circuit.

C1504-009 Stored The system is switched off.Steering angle sensor is not initialized.

AB-Airbag

ID Status Description

B1871-004 Stored The resistance value in the ignition circuit containing component R12/21 (Right front side airbag ignition squib) is too high.

ICM-Instrument cluster with maintenance interval display

ID Status Description

B1108 Stored Fault in CAN communication with control unit N73 (EIS [EZS] control unit).

Vehicle Diagnostic Report

B1110 Stored Communication through the interior CAN bus is faulty.

B1125 Stored Fuel level sensor: open circuit in signal wire

B1129 Stored The ambient temperature sensor has Open circuit.

EZS-Electronic ignition switch

ID Status Description

B1010 Stored The supply voltage of the control unit is too low (undervoltage).

B1011 Stored The supply voltage of the control unit is too high (overvoltage).

B1053 Stored Fault in CAN communication with control unit DCM-RR.

B1023 Stored Fault in CAN communication with control unit N32/2 (Right front seat adjustment control module with memory).

OCP-Overhead control panel

ID Status Description

B1010 Stored The supply voltage of the control unit is too low (undervoltage).

B1011 Stored The supply voltage of the control unit is too high (overvoltage).

LCP-Lower control panel

ID Status Description

B1119 Stored Test switch N72s6 (Exterior mirror up/down switch) for , and replace if necessary.Short circuit to ground Test switch N72s7 (Exterior mirror left/right switch) for , and replace if necessary.Short circuit to ground

B1010 Stored The supply voltage of the control unit is too low (undervoltage).

B1011 Stored The supply voltage of the control unit is too high (overvoltage).

PSE-Pneumatic system equipment

Vehicle Diagnostic Report

ID Status Description

B1436-014 Stored The safety time of the central locking has been exceeded for the following pneumatic branch:Front passenger door or rear doors

B1436-013 Stored The safety time of the central locking has been exceeded for the following pneumatic branch:Fuel tank cap

B1440 Stored The safety time has been exceeded for the following pneumatic branch: Trunk lid remote release

B1439 Stored The safety time has been exceeded for the following pneumatic branch: Manifold vacuum assist

B1439 Stored The safety time has been exceeded for the following pneumatic branch: Manifold vacuum assist

B1436-012 Stored The safety time of the central locking has been exceeded for the following pneumatic branchriver's door

B1712 Stored The alarm has been activated through component S17/3 (Left front door contact switch).

B1709 Stored Component H3/1 (Alarm signal siren with additional battery) is Not coded or FAULTY.

B1713 Stored The alarm has been activated through component S17/4 (Right front door contact switch).

B1715 Stored The alarm has been activated through component S17/6 (Right rear door contact switch).

B1710 Stored The alarm has been activated through component S17/8.

SAM-Signal acquisition and actuation module

ID Status Description

B1217-002 Stored Component B38 (Rain sensor) is faulty. No windshield adaptation is possible.

B1217-003 Stored Component B38 (Rain sensor) has excess temperature.

DCM1-Door control module front driver side

Vehicle Diagnostic Report

ID Status Description

B1010 Stored The supply voltage of the control unit is too low (undervoltage).

B1011 Stored The supply voltage of the control unit is too high (overvoltage).

B1407-001 Stored Component E17/9 (Driver entry/exit lamp) has .Short circuit to ground

DCM2-Door control module front passenger side

ID Status Description

B1010 Stored The supply voltage of the control unit is too low (undervoltage).

B1011 Stored The supply voltage of the control unit is too high (overvoltage).

AUDIO

ID Status Description

N1141 Stored&Current Set-actual configuration of D2B ring differs

U1100 Stored Please refer to vehicle service manual!

E-call [USA]-Emergency call system

ID Status Description

N1261 Stored The life signal of the airbag control unit cannot be received.

Plutoe

Before you scare the SO of the less learned members do yourself a huge favor and google "stored Faults"---------------then you may want to adjust your post

Teutonic_Driver

Hey Plutoe, googled "stored faults." Not sure what I'm supposed to find, there's a crapload of related information that comes up. I'm going to infer from your post that my list of error codes are historical and a non-issue. That'd be great if true. Cheers.

Plutoe

after reading the manual, what happened after you cleared all the faults, drove around a bit-------what returned if any?


3pm edit--look what I found with a simple search-------http://benzbits.com/w203/SRSWiring.pdf-

Teutonic_Driver

Does it matter that this doc appears to be for the W203?

Plutoe

No as the designation is the same for 210

Teutonic_Driver

After I cleared the codes, the SRS light returned immediately upon start up. I'm going to pull the door trim and look at the wiring to the side airbag. Maybe unplug and clean the terminals with contact cleaner and then snap back together. Hopefully I won't set off the bag's detonator. : (

Teutonic_Driver

After much research, I decided NOT to try and clean the side airbag contacts. Instead I found a post that said the under-seat connectors should be cleaned with contact spray. So I did that. Reset the SRS lamp with my Youcanic tool and then disconnected the battery for a few hours.

When I fired her up, the SRS light was gone. : ). But the ASR and ABS warning messages appeared. Youcanic said the error code was because the steering angle sensor was uninitiated or something. I recalled that if I turned the wheel all the way left and then right it would reset the component. It did.

All dashboard lights are off now. Fingers crossed. Hoping this helps somebody in the future with the same issues. (FWIW, my 2000 E320 4matic has only 78k miles).

Teutonic_Driver

Dagnammit. The SRS light is back on. : (

Looks like cleaning the side airbag electrical contact is next. If that doesn't work I'm afraid it's the dealership next... $$$$$. : (