Engine Front

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1. Oil Level Thermal Sensor -G266-
   • Overview. Refer to OVERVIEW - OIL PAN/OIL PUMP .
2. Map Controlled Engine Cooling Thermostat -F265-
   • Integrated in the oil filter housing; cannot be replaced separately
3. Oil Temperature Sensor 2 -G664-
   • Component location. Refer to
   • Overview. Refer to OVERVIEW - BELT PULLEY SIDE SEALING FLANGE .
4. Oil Pressure Switch -F22-
   • Overview. Refer to OVERVIEW - OIL FILTER HOUSING/OIL PRESSURE SWITCH .
5. Reduced Oil Pressure Switch -F378-
   • Overview. Refer to OVERVIEW - OIL FILTER HOUSING/OIL PRESSURE SWITCH .
6. EGR Cooler Switch-Over Valve -N345-
7. Intake Flap Motor -V157-
   • Overview. Refer to OVERVIEW - INTAKE MANIFOLD .
8. Throttle Valve Control Module -J338-
   • Overview. Refer to OVERVIEW - INTAKE MANIFOLD .
9. Engine Temperature Control Sensor -G694-
   • Component location.
10. Oil Pressure Regulation Valve -N428-
    • Component location. Refer to
    • Overview. Refer to OVERVIEW - OIL PAN/OIL PUMP .
11. A - Fuel Pump Control Module -J538-
    • Component location.
12. B - Reducing Agent Injector -N474-
    • Only installed on vehicles with a Selective Catalytic Reduction System (SCR)
    • Component location.
    • Overview. Refer to appropriate service information.
13. C - NOx Sensor 2 -G687- with NOx Sensor Control Module 2 -J881-
    • Only installed on vehicles with a selective catalytic reduction system (SCR)
    • Component location for vehicles with engine code CPNB
    • Overview. Refer to OVERVIEW - HEATED OXYGEN SENSOR, VEHICLES WITH A TURBOCHARGER WITH A SCR-SYSTEM, VERSION 1 .
14. D - NOx Sensor -G295- with NOx Sensor Control Module -J583-
    • Only installed on vehicles with a selective catalytic reduction system (SCR)
    • Component location.
    • Overview. Refer to OVERVIEW - HEATED OXYGEN SENSOR, VEHICLES WITH A TURBOCHARGER WITH A SCR-SYSTEM, VERSION 1 .
15. E - Reducing Agent Metering System Control Module -J880-
    • Only installed on vehicles with a selective catalytic reduction system (SCR)
16. F - Exhaust Gas Temperature Sensor 4 -G648-
    • Only installed on vehicles with a selective catalytic reduction system (SCR)
    • Component location
    • Overview. Refer to appropriate service information.
17. G - Exhaust Gas Temperature Sensor 2 -G448-
    • Depending on the version installed on vehicles with a selective catalytic reduction system (SCR)
    • Component location
    • Overview. Refer to appropriate service information.
18. H - Particulate Sensor -G784-
    • Only installed on vehicles with a selective catalytic reduction system (SCR)
    • Component location
    • Overview. Refer to appropriate service information.

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• Item -1- inside the plenum chamber on the left side.

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• Inside the accelerator pedal module

Removing and installing. Refer to ACCELERATOR PEDAL POSITION SENSORS -G79- / -G185-, REMOVING AND INSTALLING .

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• Inside the footwell at the brake pedal

Removing and Installing. Refer to appropriate service information. .

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• The Fuel Pump Control Module -J538- -arrow- is level with the bench seat on the right side between the floor panel and the fuel tank.

Removing and installing. Refer to appropriate service information. .

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• Item -2- in the rear and on the right side of the engine.

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• Item -2- on the cylinder head cover on the cylinder bank 1 (right).

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• Item -2- in the high pressure pump.

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• Item -2- on left air guide pipe in the engine compartment.

Removing and installing. Refer to Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-, REMOVING AND INSTALLING .

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• Item -1- on left front cylinder block.

Removing and installing. Refer to Engine Temperature Control Temperature Sensor -G694-, REMOVING AND INSTALLING .

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Removing and installing. Refer to Engine Coolant Temperature Sensor on Radiator Outlet -G83-, REMOVING AND INSTALLING .

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Reducing Agent Injector -N474- Not Water-Cooled

2 - Reducing Agent Injector -N474- Connector

Removing and Installing. Refer to appropriate service information.

Reducing Agent Injector -N474- Water-Cooled

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2 - Reducing Agent Injector -N474-

Removing and Installing. Refer to appropriate service information.

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1. Exhaust Gas Temperature Sensor 3 -G495-
2. Exhaust Gas Temperature Sensor 2 -G448-
3. NOx Sensor -G295-
4. Heated Oxygen Sensor -G39-
5. Connector for Exhaust Gas Temperature Sensor 2 - G448-
6. Exhaust Gas Temperature Sensor 3 -G495- connector
7. Heated Oxygen Sensor -G39- connector

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1. NOx Sensor Control Module - J583- connector
2. NOx Sensor -G295-
3. NOx Sensor Control Module - J583-

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1. NOx Sensor Control Module 2 - J881- connector
2. NOx Sensor 2 -G687-
3. NOx Sensor Control Module 2 -J881-

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1. Particulate Sensor - G784- connector
2. Particulate Sensor -G784-
3. Particulate Sensor - G784- control module