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Home >> Mercedes Benz >> 2015 >> SL400 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation - 231 Chassis >> Basic Knowledge >> Overview of system components for gasoline injection and ignition system with direct injection >> Overview of system components for gasoline injection and ignition system with direct injection - GF07.70-P-9998MME

Overview of system components for gasoline injection and ignition system with direct injection - GF07.70-P-9998MME

ENGINE 157.9, 276.9, 278.9 in MODEL 231 

Vehicle view from the front left up to model year 2017 

Fig 1: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - Shown Up To Model Year 2017
G11129601Courtesy of MERCEDES-BENZ USA

Vehicle view from front left as of model year 2017 

Fig 2: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - Shown As Of Model Year 2017
G11129602Courtesy of MERCEDES-BENZ USA

View of engine 276.9 from top front (except code (920) Gasoline direct injection with stratified charge) 

Fig 3: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - View Of Engine 276.9 Except Code 920
G11129603Courtesy of MERCEDES-BENZ USA

View of engine 276.9 from top front (with code 920 (Gasoline direct injection with stratified charge)) 

Fig 4: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - View Of Engine 276.9 With Code 920
G11129604Courtesy of MERCEDES-BENZ USA

View of engine 276.9 from top front 

Fig 5: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - Top Front View Of Engine 276.9
G11129605Courtesy of MERCEDES-BENZ USA

View of engine 276.9 from rear (for code 920 (Gasoline direct injection with stratified charge)) 

Fig 6: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - Rear View Of Engine 276.9
G11129606Courtesy of MERCEDES-BENZ USA

View of engine 276.9 from below 

Fig 7: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - Below View Of Engine 276.9
G11129607Courtesy of MERCEDES-BENZ USA

Exhaust system shown on engine 276.9 (with code 920 (Gasoline direct injection with stratified charge)) 

Fig 8: Exhaust System Components - Shown On Engine 276.9
G11129608Courtesy of MERCEDES-BENZ USA

View of radiator from behind with engine 276.9 

Fig 9: Engine Radiator Components - View From Behind With Engine 276.9
G11129609Courtesy of MERCEDES-BENZ USA

View of engine 278.9 from top front 

Fig 10: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - Top Front View Of Engine 278.9 (1 Of 2)
G11129610Courtesy of MERCEDES-BENZ USA
Fig 11: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - Top Front View Of Engine 278.9 (2 Of 2)
G11129611Courtesy of MERCEDES-BENZ USA

View of engine 278.9 from rear right 

Fig 12: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - Right Rear View Of Engine 278.9 (1 Of 2)
G11129612Courtesy of MERCEDES-BENZ USA
Fig 13: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - Right Rear View Of Engine 278.9 (2 Of 2)
G11129613Courtesy of MERCEDES-BENZ USA

View of engine 278.9 from below 

Fig 14: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - Below View Of Engine 278.9
G11129614Courtesy of MERCEDES-BENZ USA

View of engine 157.9 from below 

Fig 15: Overview Of Gasoline Injection And Ignition System With Direct Injection System Components - Below View Of Engine 157.9
G11129615Courtesy of MERCEDES-BENZ USA

Shown: exhaust system for engine 157.9 

Fig 16: Exhaust System Components - Shown On Engine 157.9
G11129616Courtesy of MERCEDES-BENZ USA

Shown: exhaust system from the rear (for engine 278.9 with code U78 (Sporty engine sound)) 

Fig 17: Rear Exhaust System Components (Engine 278.9 With Code U78; Sporty Engine Sound)
G11129617Courtesy of MERCEDES-BENZ USA

Phantom view of the fuel tank (except code 494 (USA version)) 

Fig 18: Fuel Tank - Phantom View (Except Code 494; USA Version)
G11129618Courtesy of MERCEDES-BENZ USA

Phantom view of fuel tank (with CODE 494 (USA version)) 

Fig 19: Fuel Tank - Phantom View (With Code 494; USA Version)
G11129619Courtesy of MERCEDES-BENZ USA

View of engine compartment from rear right 

Fig 20: Right Rear Engine Compartment View
G11129620Courtesy of MERCEDES-BENZ USA

Vehicle view from top right 

Fig 21: Locating Charge Air Cooler Circulation Pump Relay (Engine 278.9)
G11129621Courtesy of MERCEDES-BENZ USA

Vehicle view from the right rear 

Fig 22: Locating Charge Air Cooler Circulation Pump Relay (Engine 157.9)
G11129622Courtesy of MERCEDES-BENZ USA

Shown on low-temperature circuit (with engine 157.9, 278.9) 

Fig 23: Charge Air Cooler Flow Diagram - Shown On Low-Temperature Circuit (With Engine 157.9, 278.9)
G11129623Courtesy of MERCEDES-BENZ USA
  Component description for instrument cluster A1 GF54.30-P-6000RK
  Supplemental restraint system control unit, component description N2/10 GF91.60-P-4080RK
  Component description for ME-SFI (ME) control unit Engine 276.9 in model 231.4 N3/10 GF07.61-P-6000MME
    Engine 157.9 in model 231.4
Engine 278.9 in model 231.4 N3/10
GF07.61-P-6000MMF
  Component description for front SAM control unit with fuse and relay module N10/1 GF54.21-P-6070RK
  Component description for rear SAM control unit with fuse and relay module N10/2 GF54.21-P-6030RK
  Sound generator control unit, component description Engine 278.9 in model 231.4
with code U78 (Sporty engine sound) N12
GF49.10-P-2004RK
  Component description for climate control, control and operating unit N22/7 GF83.40-P-3002RK
  Component description for Electronic Stability Program control unit N30/4 GF42.45-P-5119RK
  Component description for NOx sensor control unit Engine 276.9 in model 231.4
with code 920 (Direct petrol injection with stratified charging)
N37/1, N37/2
GF14.40-P-3024MME
  ABC control unit, component description Model 231 with engine 157.9, 276.9, 278.9 with code 487 (Active Body Control (ABC)) N51/2 GF32.50-P-4501RK
  Component description for radar sensors control unit Model 231 with engine 157.9, 276.9, 278.9 as of model year 2017
with code 23P (Driving Assistance package Plus) N62/1
GF30.30-P-3301RKM
  Component description for video and radar sensor system control unit Model 231 with engine 157.9, 276.9, 278.9 up to model year 2017
with code 233 (DISTRONIC PLUS)
with code 237 (Active Blind Spot Assist) with code 238 (Active lane keeping Assist) N62/2
GF30.30-P-3304RK
  Left door control unit, component description N69/1 GF72.29-P-4143RK
  Lower control panel control unit, component description Model 231 (except 231.474/479) with engine 157.9, 276.9, 278.9
N72, N72s40
GF54.21-P-6060RK
  Component description for the electronic ignition lock control unit N73 GF80.57-P-6001RK
  Component description for steering column tube module control unit N80 GF54.21-P-6051RK
  Component description for chassis gateway control unit Model 231 with engine 157.9, 276.9, 278.9 as of model year 2017
with code 23P (Driving Assistance package Plus) N93/7
GF54.21-P-1010RKM
  Component description for fuel pump control unit Engine 276.9 in model 231.4
Engine 278.9 in model 231.4 N118
GF47.40-P-2001MME
    Engine 157.9 in model 231.4 N118 GF47.40-P-2001MMF
  Component description for fully integrated transmission control unit Model 231 with engine 276.9 with transmission 722.9 (except 722.931) GF27.60-P-5165AHP
    Model 231 with engine 278.9 with transmission 722.9 (except 722.931) Y38n4
Model 231.4 with engine 157.9 with transmission 722.931 Y38n4
GF27.60-P-5165AHJ
  Table of contents for function description of gasoline injection and ignition system with direct injection Engine 276.9 in model 231.4 GF07.70-P-0998MME 
    Engine 157.983 in model 231.474
Engine 278.927 in model 231.473
GF07.70-P-0998MMF