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Home >> Mercedes Benz >> 2016 >> C300 Base >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation - 205 Chassis (4D Sedan) - 2 Of 2 >> 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-9998MRA

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

Engine 274.9 in model 205 (except 205.047/147/247), 253 (except 253.354/954) 

Fig 1: Overview Of Gasoline Injection And Ignition System Components - Shown On Model 205.0
G10132504Courtesy of MERCEDES-BENZ USA

Vehicle view from front left on model 205.0 

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

Fig 2: Identifying Gasoline Direct Injection System Engine Front View Components
G10132505Courtesy of MERCEDES-BENZ USA

View of engine from the front above (except code 920 (Gasoline direct injection with stratified charge), for code A14 (Camtronic)) 

Fig 3: Identifying Gasoline Direct Injection System Engine Front Above View Components
G10132506Courtesy of MERCEDES-BENZ USA

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

Fig 4: Identifying Gasoline Direct Injection System Engine Front Above View Components
G10132507Courtesy of MERCEDES-BENZ USA

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

Fig 5: Identifying Gasoline Direct Injection System Engine Right Rear View Components
G10132508Courtesy of MERCEDES-BENZ USA

View of engine from right front (for code 920 (Gasoline direct injection with stratified charge)) 

Fig 6: Identifying Gasoline Direct Injection System Engine Right Front View Components
G10132509Courtesy of MERCEDES-BENZ USA

View of engine from the rear (except code 920 (Gasoline direct injection with stratified charge)) 

Fig 7: Identifying Gasoline Direct Injection System Engine Rear View Components
G10132510Courtesy of MERCEDES-BENZ USA

View of engine from the left (except code 920 (Gasoline direct injection with stratified charge)) 

Fig 8: Identifying Gasoline Direct Injection System Engine Left View Components
G10132511Courtesy of MERCEDES-BENZ USA

View of engine from below (except code 920 (Gasoline direct injection with stratified charge)) 

Fig 9: Identifying Gasoline Direct Injection System Engine Below View Components
G10132512Courtesy of MERCEDES-BENZ USA

View of engine from the right (except code 920 (Gasoline direct injection with stratified charge)) 

Fig 10: Identifying Gasoline Direct Injection System Engine Right View Components
G10132513Courtesy of MERCEDES-BENZ USA

Shown: exhaust system (model 205 without code 920 (Gasoline direct injection with stratified charge)) 

Fig 11: Identifying Exhaust System Components - Shown On Model 205
G10132514Courtesy of MERCEDES-BENZ USA
Fig 12: Identifying Exhaust System Components - Shown On Model 205
G10132515Courtesy of MERCEDES-BENZ USA

Shown: exhaust system (model 205 with code 920 (Gasoline direct injection with stratified charge)) 

View of fan from the rear 

Fig 13: Identifying Rear Fan Components
G10132516Courtesy of MERCEDES-BENZ USA

View of radiator trim from the rear (for code 5U3 (AIRPANEL)) 

Fig 14: Identifying Radiator Trim Flap Actuator Motor
G10132517Courtesy of MERCEDES-BENZ USA

View of aeration and ventilation system (for code 494 (USA version)) 

Fig 15: Identifying Aeration And Ventilation System Purging Pressure Sensor And Switchover Valve
G10132518Courtesy of MERCEDES-BENZ USA

Phantom view of fuel tank (except code 494 (USA version) and (except code 916 (Fuel tank with 66 l)) 

Fig 16: Identifying Fuel Tank Phantom View Components
G10132519Courtesy of MERCEDES-BENZ USA

Phantom view of fuel tank (for code 916 (Fuel tank 66 l), for code 494 (USA version) up to model year 2016) 

Fig 17: Identifying Fuel Tank Phantom View Components
G10132520Courtesy of MERCEDES-BENZ USA

Phantom view of fuel tank (for code 916 (Fuel tank 66 l), for code 494 (USA version) as of model year 2016) 

Fig 18: Identifying Fuel Tank Phantom View Components
G10132521Courtesy of MERCEDES-BENZ USA

View of low-temperature circuit on model 205.0 

Fig 19: Low-Temperature Circuit Flow Diagram - Shown On Model 205.0
G10132522Courtesy of MERCEDES-BENZ USA

View of engine compartment 

Fig 20: Identifying Engine Compartment Purging Switchover Valve
G10132523Courtesy of MERCEDES-BENZ USA

Shown for model 253 with code 430 (Offroad package) and A/T 

Fig 21: Identifying Left Lower Control Panel And ECO Start/Stop Function Button - Shown On Model 253
G10132524Courtesy of MERCEDES-BENZ USA

IMPORTANT Engine 274.9 in model 205 (except 205.047/147/247)

As of model year 2016 the ECO start/stop function button is installed in the left LCP.

IMPORTANT Engine 274.9 in model 205 (except 205.047/147/247), 253 (except 253.354/954) with transmission 716.7

For vehicles with manual transmission the ECO start/stop function button is installed in the left LCP.

View of engine fuse and relay module (K40/8) in rear left engine compartment 

Fig 22: Identifying Rear Left Engine Compartment Engine Fuse And Relay Module (K40/8) Components
G10132525Courtesy of MERCEDES-BENZ USA
  Component description for instrument cluster A1 GF54.30-P-6000RF
  Head unit, component description Model 205 (except 205.047/147/247) with engine 274.9
with code 522 (Audio 20 radio)
except code 520 (Audio 20 USB)
except code 531 (COMAND APS)
A26/17		 GF82.85-P-3140RFA
Model 205 (except 205.047/147/247) with engine 274.9
with code 520 (Audio 20 USB)
except code 522 (Audio 20 radio)
except code 531 (COMAND APS)
A26/17		 GF82.85-P-3140RF
Model 205 (except 205.047/147/247) with engine 274.9
with code 531 (COMAND APS)
except code 520 (Audio 20 USB)
except code 522 (Audio 20 radio)
A26/17		 GF82.85-P-3140RFB
  Component description for Audio/COMAND control panel Model 205 (except 205.047/147/247) with engine 274.9
A40/9		 GF54.21-P-4501RF
  Supplemental restraint system control unit, component description N2/10 GF91.60-P-4080RF
  Component description for ME-SFI (ME) control unit N3/10 GF07.61-P-6000MRA 
  Component description for front SAM control unit Model 205 (except 205.047/147/247) with engine 274.9
N10/6		 GF54.21-P-7010RF
  Climate control unit, component description Model 205 (except 205.047/147/247) with engine 274.9
N22/1		 GF83.40-P-2250RF
  Component description for Electronic Stability Program control unit Model 205 (except 205.047/147/247) with engine 274.9
N30/4		 GF42.45-P-5119RF
  Component description for NOx sensor control unit Engine 274.9 in model 205 (except 205.047/147/247)
with code 920 (Direct petrol injection with stratified charging)
Engine 274.9 in model 253 (except 253.354/954)
with code 920 (Direct petrol injection with stratified charging)
N37/4		 GF14.40-P-3024MRA
  AIRMATIC control unit, component description Model 205 (except 205.047/147/247) with engine 274.9
with code 483 (ADVANCED AGILITY package)
with code 489 (AIRMATIC)
N51/3		 GF32.22-P-5110RF
  AIR BODY CONTROL unit, component description Model 253 (except 253.354/954) with engine 274.9
with code 489 (AIR BODY CONTROL)
N51/3		 GF32.22-P-5111RF
  Component description for radar sensors control unit Model 205 (except 205.047/147/247), 253 (except 253.354/954) with engine 274.9
with code 23P (Driving Assistance package Plus)
N62/1		 GF30.30-P-3301RF
  Component description for left front door control unit N69/1 GF72.29-P-6001RF
  Component description for the electronic ignition lock control unit Model 205 (except 205.047/147/247) with engine 274.9
N73		 GF80.57-P-6001RF
  Component description for steering column tube module control unit N80 GF54.21-P-6051RF
  Component description for fuel pump control unit N118 GF47.40-P-2001MRA
  Drivetrain control unit, component description N127 GF54.21-P-2141MRA
  Component description for fully integrated transmission control unit Model 205 (except 205.047/147/247) with engine 274.9 with transmission 722.9 (except 722.930)
Y38n4		 GF27.60-P-5165AHE
Model 253 (except 253.354/954) with engine 274.9 with transmission 725.0
Y38n4		 GF27.60-P-5165ANI
  Table of contents for function description of gasoline injection and ignition system with direct injection   GF07.70-P-0998MRA 
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