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Home >> Mercedes Benz >> 2019 >> GT C AMG 2D Coupe >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Mixture Formation (2 Of 2) -- 190 Chassis >> Testing & Repair >> Remove/Install Fuel Pressure Sensor >> Remove/Install Left Fuel Pressure Sensor - AR07.04-P-0201MNJ
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Remove/Install Left Fuel Pressure Sensor - AR07.04-P-0201MNJ

Engine 178.9 In Model 190.381 

Fig 1: Left Fuel Pressure/Temperature Sensor Components Location - Engine 178.9 In Model 190.381
G16681340Courtesy of MERCEDES-BENZ USA
G16681341Courtesy of MERCEDES-BENZ USA
G16681342Courtesy of MERCEDES-BENZ USA
WARNING 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
CAUTION 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
DANGER Risk of explosion  caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contact with fuel. No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
DANGER Risk of explosion  caused by fuel igniting. Risk of injury  to skin and eyes caused by fuel spraying out at high pressure Keep all ignition sources out of hazard area.
Do not carry out any work on system when it is pressurized.
AS07.16-Z-0001-01A
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Topical note  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
  Notes on safety-relevant components   AH00.00-Z-0019-01A
  General information on work on gasoline direct injection system   AH07.00-P-2000-01A
REMOVINGINSTALLING Remove/install     
1 Disconnect the ground line for the on-board electrical system battery (G1).   AR54.10-P-0003RG
2 Remove strut (2). TORQUE SPECIFICATION Bolt, strut to body/retaining plate *BA62.30-P-1001-01I 
3 Remove cover (20).    
4 Remove seal (21).    
5 Remove nut (23). TORQUE SPECIFICATION Nut, partition wall to body *BA68.74-P-1002-01D 
6 Remove screws/bolts (22). TORQUE SPECIFICATION Bolt, partition wall to body *BA68.74-P-1001-01D 
7 Remove feed-through grommet (24) with vacuum hose from partition (25), and place them to one side.    
8 Remove wiring harness (26) from partition (25), and remove partition (25). SPECIAL TOOL Dismantling tool Fig 4
9 Remove fuel pressure via the service connection.   AR07.03-P-1460-01MNA 
    TORQUE SPECIFICATION Dust protection cap to service connection *BA07.03-P-1005-01H 
    SPECIAL TOOL Pressure hose Fig 5
10 Remove noise insulation (3).    
11 Remove purge line (4), and place it to one side. TORQUE SPECIFICATION Screw, purge line to bleed line *BA01.20-P-1011-01J 
12 Release electrical connector (1) and disconnect.    
13 Thoroughly clean rail in area of left fuel pressure and temperature sensor (B42/2). NOTES
Ensure absolute cleanliness when working on the high-pressure fuel circuit.
Use only lint-free cleaning cloths High pressure fuel circuit will otherwise be damaged.
Assembly cleaner
*BR00.45-Z-1028-04A 
14 Remove left fuel pressure and temperature sensor (B42/2) and seal openings with suitable stop plugs. INSTALLATION IMPORTANT : Install new left fuel pressure and temperature sensor (B42/2).
IMPORTANT Collect exuded fuel using a suitable absorbent rag.
TORQUE SPECIFICATION Pressure transducer to fuel distributor
*BA07.52-P-1002-01J 
    SPECIAL TOOL Record plug Fig 3
    SPECIAL TOOL Tool kit Fig 2
15 Install in the reverse order.    
INSPECT Check     
16 Check fuel high-pressure circuit for leak tightness.    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
      AR07.03-P-1010-04MM 
WARNING Risk of burn injuries  , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning  caused by skin contact with solid components of the exhaust. Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. AS49.00-Z-0001-01A
WARNING 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
17 Perform engine test run. While doing so, check engine for proper operation and leak tightness.    
CRANKCASE VENTILATION SYSTEM, CYLINDER HEAD COVER

Number Designation Engine 178
BA01.20-P-1011-01J Screw, purge line to bleed line Nm 8
INJECTION NOZZLES, INJECTION VALVES, LINES

Number Designation Engine 178
BA07.03-P-1005-01H Dust protection cap to service connection Nm 1
FUEL DISTRIBUTOR

Number Designation Engine 178
BA07.52-P-1002-01J Pressure transducer to fuel distributor Nm 38
CROSS MEMBER AND FRONT REINFORCEMENT

Number Designation Model 190
BA62.30-P-1001-01I Bolt, strut to body/retaining plate M8 Nm 30
PARTITION WALL

Number Designation Model 190
BA68.74-P-1001-01D Bolt, partition wall to body Nm 7
PARTITION WALL

Number Designation Model 190
BA68.74-P-1002-01D Nut, partition wall to body Nm 8
Fig 2: Identifying Tool Kit (000 589 10 99 00)
G07492452Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Record Plug (129 589 00 91 00)
G09975019Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Dismantling Tool (000 589 95 63 00)
G12619044Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Pressure Hose (119 589 04 63 00)
G07742723Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1028-04A Assembly cleaner A 000 986 56 01