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Electrical function schematic for exhaust treatment - PE14.00-P-2051-97DAU

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ENGINE 276.9 in MODEL 212.095 as of model year 2014 

Code: Designation: Position:
1 Engine diagnosis indicator lamp, actuation 15F
10 Circuit 87, status 10G
2 Nitrogen oxide proportion, status 7G
3 Oxygen proportion, status 7G
4 Shift point, increase request 5C
5 Wheel speed, signal 7H
6 Coolant temperature sensor, signal 8E
7 Oxygen sensor element, signal 10H
7 Oxygen sensor element, signal 9E
8 Engine speed, signal 10E
9 Exhaust temperature, signal 10E
A1 Instrument cluster 16E
A1e58 Engine diagnosis indicator lamp 15D
B11/4 Coolant temperature sensor 7C
B16 Temperature sensor upstream of NOx storage catalytic converter, right 13D
B16/1 Temperature sensor upstream of NOx storage catalytic converter, left 13D
B70 Crankshaft Hall sensor 11E
CAN C Drive train CAN 6E
CAN E1 Chassis CAN 1 12F
CAN E1 Chassis CAN 1 6G
CAN I Drive train sensor CAN 6F
Code 233 DISTRONIC PLUS 4J
G3/3b1 Left oxygen sensor element upstream of catalytic converter 12J
G3/4b1 Right oxygen sensor element upstream of catalytic converter 12J
G3/5b1 Left oxygen sensor element downstream of catalytic converter 9A
G3/6b1 Right oxygen sensor element downstream of catalytic converter 9B
N10/1 Front SAM control unit with fuse and relay module 17G
N10/1kN Engine circuit 87 relay 14H
N3/10 ME-SFI [ME] control unit 9E
N30/4 Electronic Stability Program control unit 6J
N30/6 Regenerative braking system control unit 9J
N30/7 Premium Electronic Stability Program control unit 5J
N37/5 Steuergerat NOx-Sensor links 2E
N37/5b1 Left NOx sensor 2B
N37/6 Steuergerat NOx-Sensor rechts 2H
N37/6b1 Right NOx sensor 2K
U1020 Valid for gasoline engine with stratified operation 1A
U1020 Valid for gasoline engine with stratified operation 1G
U1020 Valid for gasoline engine with stratified operation 12C
U968 Valid for mild hybrid drive 7J
U968 Valid for mild hybrid drive 4B
U977 Not valid for mild hybrid drive 4J
U977 Not valid for mild hybrid drive 4A
U999 Not valid with DISTRONIC PLUS 4J
Y3/8n4 Fully integrated transmission control unit 5B
Fig 1: Exhaust Treatment Electrical Function Schematic (1 Of 2)
G10242557Courtesy of MERCEDES-BENZ USA
Fig 2: Exhaust Treatment Electrical Function Schematic (2 Of 2)
G10242558Courtesy of MERCEDES-BENZ USA