Overview of system components for common rail diesel

GF07.16-P-9997OGG Overview of system components for common rail diesel injection (CDI) 19.12.2016

Engine 642.8 in model 164.1Engine 642.8 in model 164.8Engine 642.8 in model 251.0Engine 642.8 in model 251.1

P07.16-3507-79

Vehicle view from the front left on model 164.1

A1 Instrument cluster N22 AAC [KLA] control and operating N93 Central gateway control unitunit (except code 581 (Comfort

automatic air conditioning))

N2/7 Restraint systems control unit N22/7 Comfort AAC [KLA] control and N118 Fuel system control unitoperating unit (with code 581 (Automatic air conditioning))

N3/9 CDI control unit N47-5 ESP control unit Y3/8 Electric controller unit (VGS)

N10 Front SAM control unit N73 EZS control unit

N10/8 Rear SAM control unit N80 Steering column tube module

Page 1 of 14© Daimler AG, 6/7/18, B/05/18, gf07.16-p-9997ogg, Overview of system components for common rail diesel injection (CDI)Engine 642.8 in model 164.1 Engine 642.8 in model 164.8 Engine 642.8 in model 251.0 Engine 642.8 in model 251.1

View of engine from front right

B2/6 Left hot film MAF sensor

B2/6b1 Intake air temperature sensor

B2/7 Right hot film MAF sensor

B2/7b1 Intake air temperature sensor

B5/1 Boost pressure sensor

B16/14 Exhaust gas recirculation temperature sensor

B50 Fuel temperature sensor

M16/6 Throttle valve actuator

Y74 Pressure regulating valve

Y85 EGR cooler bypass flap switchover valve (except code

U42 (BlueTEC (SCR) diesel exhaust treatment)) and code 494 (USA version))

Y94 Quantity control valve

P07.16-3518-06

View of the engine from above

B4/6 Rail pressure sensor

B6/1 Camshaft Hall sensor

B28/8 Pressure differential sensor (DPF) (with code 474 (Particulate filter))

B60 Exhaust back pressure sensor (model 164)

B60 Exhaust pressure sensor (model 251)

M55 Intake port shutoff motor

N14/3 Glow time output stage

R48 Two-disk thermostat heating element (except code U42 (BlueTEC (SCR) diesel exhaust treatment)) and code 494 (USA

version))

R54 Fuel preheating system heating element (except code U41 (Fuel/water separator and lubrication package) or (except code U42

(BlueTEC (SCR) diesel exhaust treatment)) and with code 494 (USA version)

Y27/9 Left exhaust gas recirculation positioner

Y74 Pressure regulating valve P07.16-3383-06

Y76 Fuel injectors

Y77/1 Boost pressure positioner


View of engine from the rear

11 Oxidation catalytic converter

G3/2 O2sensor upstream of CAT

P07.04-2674-06

P07.04-2676-08

View of engine from the right (with code U42 (BlueTEC (SCR) diesel exhaust treatment))

11 Oxidation catalytic converter 12 Diesel particulate filter (DPF) B19/7 Temperature sensor upstream of CAT (with code U42 (BlueTEC (SCR) diesel exhaust treatment))


View of engine from the below

48 Small oil pan

B1 Oil temperature sensor

P18.30-2076-06

P07.04-2330-09

View of engine from front right

B17/8 Charge air temperature sensor


View of engine from upper left

B28/5 Pressure sensor downstream of

air filter

P07.04-2320-06

P07.04-2675-08

View of the engine from above (with code U42 (BlueTEC (SCR) diesel exhaust treatment) and code 494 (USA version)

B28/8 Pressure differential sensor B28/16 Pressure differential sensor for (DPF) diesel particulate filter for

onboard diagnostics (OBD)

View of the engine from above (with code U41 (Fuel/water separator and lubrication package) or (with code U42 (BlueTEC (SCR) diesel exhaust treatment) and code 494 (USA version)

B76/1 Condensation sensor for fuel filter with heating element

P47.50-2097-04


View of the engine from above (with code U42 (BlueTEC (SCR) diesel exhaust treatment) and code 494 (USA version)

B96/1 Left intake port shutoff end position sensor

B96/2 Right intake port shutoff end

position sensor

P09.20-2261-06

P15.20-2123-09

View of engine from rear left

R9 Glow plugs


P09.00-2059-09

View of the engine from above

R39/1 Vent line heater element

View of engine from rear left

S43 Oil level check switch

P18.40-2353-06



A1e16 Preglow indicator lamp

A1e26 CHECK ENGINE indicator lamp (with code (494) USA version)

A1e58 Engine diagnosis indicator lamp (except code 494 (USA version))

B37 Accelerator pedal sensor

X11/4 Data link connector

P07.16-3597-06

Vehicle view from the front left on model 164

F58 Engine compartment fuse and relay box

F58kD Engine circuit 87 relay

F58kH Circuit 15 relay

F58kI Starter relay

P07.16-3596-06

View of the luggage compartment from the right on model 164

F4 Load compartment fuse and relay box

F4kO Fuel pump relay

P07.61-3256-04


Vehicle view from the rear on model 251.1 (with code U42 (BlueTec (SCR) diesel exhaust treatment))

N118/5 AdBlue® control unit

P14.40-2401-06

View of AdBlue® tank from above on model 251.1 (with code U42 (BlueTEC (SCR) diesel exhaust treatment))

33 AdBlue® container

A103/2 AdBlue® delivery module

A103/2b1 AdBlue® pressure sensor

A103/2m1 AdBlue® delivery pump

A103/2r1 AdBlue® delivery module heating element

A103/2y1 AdBlue® reversing valve

P14.40-2332-06




34 AdBlue® extraction tank

A103/1 AdBlue® tank module

A103/1b1 AdBlue® tank temperature sensor

A103/1b2 Fill level sensor (full)

A103/1b3 Fill level sensor (reserve)

A103/1b4 Fill level sensor (empty)


P14.40-2354-06



34 AdBlue® extraction tank

A103/1r1 AdBlue® tank heating element


P14.40-2353-06


View of vehicle from below on model 251.1 (with code U42 (BlueTEC (SCR) diesel exhaust treatment))

2 AdBlue® pressure line

A103/1r2 AdBlue® pressure line heating element


Y129 AdBlue® metering valve

P14.40-2355-06

Vehicle view from the front left on model 164.1 (with code U42 (BlueTEC (SCR) diesel exhaust treatment))

11 Oxidation catalytic converter

12 Diesel particulate filter

13 SCR catalytic converter

14 Left rear muffler

15 Right rear muffler

B16/15 Temperature sensor upstream of SCR catalytic converter

B19/7 Temperature sensor upstream of CAT

B19/9 Temperature sensor upstream

of diesel particulate filter

B28/8 Pressure differential sensor (DPF)


N37/7b1 NOx sensor downstream of

diesel particulate filter

N37/8b1 NOx sensor downstream of SCR catalytic converter

Y129 AdBlue® metering valve

P49.10-2828-06

Illustration of exhaust system BR251 as of ÄJ12 (with code U42 (BlueTEC (SCR) diesel exhaust treatment) and code 494 (USA version))


N37/7 NOx control unit downstream of diesel particulate filter

N37/7b1 NOx sensor downstream of diesel particulate filter

N37/8 NOx control unit downstream of

SCR catalytic converterP49.10-2965-74

N37/8b1 NOx sensor downstream of SCR catalytic converter

N74 Soot particulate sensor control unit

N74b1 Soot particulate sensor



75 Fuel tank

88 Fuel feed module

B4/1 Fuel level indicator sensor, left tank half

B4/2 Fuel level indicator sensor, right tank half

M3 Fuel pump (FP)

P47.10-2347-06

Vehicle view from the right on model 164.8

M4/7 Engine and AC electric suction fan with integrated control

P54.18-4545-05

P47.40-2106-08

Shown: model 164.1 (with code (71o) (Retrofitted heated fuel filter)


F58 Engine compartment fuse and N33/7 Control unit of condensation relay box sensor for fuel filter with heating

element

View of engine from the rear right

B19/11 Temperature sensor upstream of

ATL

B28/8 Pressure differential sensor (DPF) (with code 474 (Particulate filter))

B60 Exhaust back pressure sensor

B70 Crankshaft Hall sensor

R48 Two-disk thermostat heating element (with code U42 (BlueTEC (SCR) diesel exhaust treatment) and code 494 (USA

version))

Y27/9 Left exhaust gas recirculation positioner

Y77/1 Boost pressure positioner

P07.16-3380-06

Table of contents for function description of Engine 642.8 in model 164.1 GF07.16-P-0999OGGcommon rail diesel injection (CDI) Engine 642.8 in model 164.8

Engine 642.8 in model 251.0Engine 642.8 in model 251.1

Component description for CDI control unit N3/9 GF07.16-P-6000OGU

Soot particulate sensor control unit, Engine 642.8 in model 251 GF14.40-P-2020OGU with code 494 (US version)component description

with code U42 (BlueTEC diesel exhaust treatment (SCR))/YoM 12N74

Component description for nitrogen oxides Engine 642.8 in model 164.1 GF14.40-P-3023OGG with code U42 (BlueTEC diesel exhaust control unit with NOx sensor

treatment (SCR))Engine 642.8 in model 164.8 with code 494 (US version) with code U42 (BlueTEC diesel exhaust treatment (SCR))

Engine 642.8 in model 251.0 with code U42 (BlueTEC diesel exhaust treatment (SCR))Engine 642.8 in model 251.1 with code U42 (BlueTEC diesel exhaust

treatment (SCR))N37/7, N37/8

Component description for exhaust Engine 642.820 in model 164.124 GF14.40-P-3030OGU with code U42 (BlueTEC diesel exhaust aftertreatment control unit

treatment (SCR))/YoM 08 model refinement packageEngine 642.820 in model 164.125 with code 494 (US version) with code U42 (BlueTEC diesel exhaust

treatment (SCR))Engine 642.820 in model 164.824 with code U42 (BlueTEC diesel exhaust treatment (SCR))/YoM 08Engine 642.820 in model 164.825

with code 494 (US version) with code U42 (BlueTEC diesel exhaust treatment (SCR))Engine 642.870 in model 251.124/125 with code U42 (BlueTEC diesel exhaust

treatment (SCR))/YoM 08N118/5


Component description for fully integrated Y38n4 GF27.60-P-5165AHZtransmission control unit

Component description for ESP control unit N47-5 GF42.45-P-5118GM

Component description for fuel pump control Engine 642.8 in model 164.1/8 GF47.40-P-2001OHGunit Engine 642.8 in model 251.0/1

N118

Component description for fuel filter Engine 642.8 in model 164.1/8 GF47.40-P-2003OGG with code 71o (Retrofitting of heated fuel filter)condensation sensor control unit with heating

element N33/7

Central gateway control unit, component N93 GF54.21-P-4170GMdescription

Component description for steering column N80 GF54.21-P-6051GMtube module control unit

Component description for front SAM control Model 164.1/8, 251.0/1 with engine 642.8 GF54.21-P-7010GM as of model year 2009unitN10

Component description for rear SAM control N10/8 GF54.21-P-7030GMunit

Component description for instrument cluster A1 GF54.30-P-6000GM

EZS control unit, component description N73 GF80.57-P-6003GM

Component description for automatic air N22 GF83.40-P-3000GMconditioning control and operating unit

Component description for comfort automatic N22/7 GF83.40-P-3010GM

air conditioning control and operating unit

Restraint systems control unit, component N2/7 GF91.60-P-4048GMdescription


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Overview of system components for common rail diesel