GF07.16-P-9997OGG Overview of system components for common rail diesel injection (CDI) 19.12.2016 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 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 unit unit (except code 581 (Comfort automatic air conditioning)) N2/7 Restraint systems control unit N22/7 Comfort AAC [KLA] control and N118 Fuel system control unit operating 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
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 Page 2 of 14
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)) Page 3 of 14
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 Page 4 of 14
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 Page 5 of 14
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 Page 6 of 14
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 Page 7 of 14
Vehicle view from the front left on model 164.8 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 F58kD F58kH F58kI Engine compartment fuse and relay box Engine circuit 87 relay Circuit 15 relay Starter relay P07.16-3596-06 View of the luggage compartment from the right on model 164 F4 F4kO Load compartment fuse and relay box Fuel pump relay P07.61-3256-04 Page 8 of 14
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 Page 9 of 14
Vehicle view from the rear on model 251.1 (with code U42 (BlueTec (SCR) diesel exhaust treatment)) 33 AdBlue container 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) A103/2 AdBlue delivery module P14.40-2354-06 Vehicle view from the rear on model 251.1 (with code U42 (BlueTec (SCR) diesel exhaust treatment)) 33 AdBlue container 34 AdBlue extraction tank A103/1r1 AdBlue tank heating element A103/2 AdBlue delivery module P14.40-2353-06 Page 10 of 14
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 A103/2 AdBlue delivery module 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) G3/2 O2sensor upstream of CAT 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)) G3/2 O2sensor upstream of CAT 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 converter N37/8b1 NOx sensor downstream of SCR catalytic converter N74 Soot particulate sensor control unit N74b1 Soot particulate sensor P49.10-2965-74 Page 11 of 14
Vehicle view from the front left on model 164.1 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) Page 12 of 14
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-0999OGG common rail diesel injection (CDI) Engine 642.8 in model 164.8 Engine 642.8 in model 251.0 Engine 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 component description with code 494 (US version) /YoM 12 N74 Component description for nitrogen oxides Engine 642.8 in model 164.1 GF14.40-P-3023OGG control unit with NOx sensor Engine 642.8 in model 164.8 with code 494 (US version) Engine 642.8 in model 251.0 Engine 642.8 in model 251.1 N37/7, N37/8 Component description for exhaust Engine 642.820 in model 164.124 GF14.40-P-3030OGU aftertreatment control unit /YoM 08 model refinement packageengine 642.820 in model 164.125 with code 494 (US version) Engine 642.820 in model 164.824 /YoM 08Engine 642.820 in model 164.825 with code 494 (US version) Engine 642.870 in model 251.124/125 /YoM 08 N118/5 Page 13 of 14
Component description for fully integrated Y38n4 GF27.60-P-5165AHZ transmission 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-2001OHG unit 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 condensation sensor control unit with heating element with code 71o (Retrofitting of heated fuel filter) N33/7 Central gateway control unit, component N93 GF54.21-P-4170GM description Component description for steering column N80 GF54.21-P-6051GM tube module control unit Component description for front SAM control Model 164.1/8, 251.0/1 with engine 642.8 unit as of model year 2009 N10 GF54.21-P-7010GM Component description for rear SAM control N10/8 GF54.21-P-7030GM unit 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-3000GM conditioning 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-4048GM description Page 14 of 14