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Home >> Mercedes Benz >> 2015 >> SL400 >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Mixture Formation - 231 Chassis >> Testing & Repair >> Remove/install for NOx temperature sensor for storage catalytic converter - AR07.70-P-0002RKA

Remove/install for NOx temperature sensor for storage catalytic converter - AR07.70-P-0002RKA

ENGINE 276 in MODEL 231 

Fig 1: NOx Temperature Sensor For Storage Catalytic Converter Remove/Install Components
G11128403Courtesy of MERCEDES-BENZ USA
DANGER Risk of injury.  Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
NOTES Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Switch off ignition and remove transmitter key (A8/1) or KEYLESS-GO start/stop button (S2/3) from electronic ignition lock control unit (N73) IMPORTANT KEYLESS-GO start/stop button (S2/3) only with code (889) KEYLESS-GO.  
2 Lift vehicle on vehicle lift   AR00.60-P-1000TX
3 Unclip retaining clamp (1) with electrical lines (2) from heat shield (3)    
4 Disconnect electrical connection (4) IMPORTANT from temperature sensor upstream of NOx storage catalytic converter on the left (B16/1) or temperature sensor upstream of NOx storage catalytic converter on the right (B16) to be removed.  
5 Unscrew union nuts on temperature sensor upstream of NOx storage catalytic converter on the left (B16/1) or on temperature sensor upstream of NOx storage catalytic converter on the right (B16) INSTALLATION IMPORTANT Coat thread of union nut with hot lubrication paste.  
    TORQUE SPECIFICATION NOx temperature sensor to exhaust pipe *BA07.04-P-1003-01E 
    Paste, hot lubrication 1 kg, DB supply specification 6879.20 *BR00.45-Z-1005-06A 
6 Remove temperature sensor upstream of NOx storage catalytic converter on the left (B16/1) or temperature sensor upstream of NOx storage catalytic converter on the right (B16) from the respective NOx storage catalytic converter (5)    
7 Install in the reverse order    
8 Read out fault memory with STAR DIAGNOSIS and delete if necessary    
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04A
INSPECT Check     
DANGER Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
9 Perform an engine test run and check exhaust system for leaktightness    
NOX SENSOR

Number Designation ENGINE 276
BA07.04-P-1003-01E NOx temperature sensor to exhaust pipe Nm 45
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1005-06A Paste, hot lubrication 1 kg, DB supply specification 6879.20 A 000 989 76 51