Function Diagrams

Engine 111 SC, SLK:

12 Intake manifold
40 Diaphragm pressure regulator
45 Filler neck (with connection for collecting fuel vapors when refueling ORVR)
50 Supercharger
55 Fuel filter
71 Check valve (activated charcoal filter)
74 Fuel cooler
75 Fuel tank
77 Activated charcoal filter
110/2 Charge air cooler
121 Air filter
126 Secondary air injection shutoff valve
127 Check valve (secondary air injection)
128 Check valve (vacuum)
156 Exhaust manifold
158 Catalytic converter
A1 Instrument cluster
A1e4 Fuel reserve warning lamp
A1e26 CHECK ENGINE malfunction indicator lamp
A16/1 Knock sensor
B2/5 Hot film mass air flow sensor (intake air temperature sensor integrated)
B4/3 Fuel tank pressure sensor
B6/1 Camshaft Hall sensor
B11/4 Coolant temperature sensor
B28 Pressure sensor
B37 Pedal value sensor
G3/1 O2 sensor downstream of TWC
G3/2 O2 sensor upstream of TWC (in exhaust pipe)
K40k1 Fuel pump relay (integrated in relay module)
L5 Crankshaft position sensor
L6/1 Front left rpm sensor
L6/3 Rear left rpm sensor
M1 Starter
M3 Fuel pump
M16/6 Throttle valve actuator
M16/7 Recirculated air flap actuator
N3/10 ME-SFI control module
N15/3 ETC (electronic transmission control) control module
N22 Automatic air conditioning (automatic A/C) push button control module
N47-2 ETS/SPS control module
N47-7 ABS control module
N54/1 Infrared drive authorization system control module
N65k2 Starter lockout relay module (integrated in cycle module)
S2/1 Ignition/starter switch
S16/10 Gear recognition switch
S40 Cruise control switch
V Decelerate/Set
B Accelerate/Set
SP Resume
A Off
S43 Oil level switch
T1/1 Twin-spark ignition cod 1, cylinders 1 and 4
T1/2 Twin-spark ignition coil 2, cylinders 2 and 3
X11/4 Data link connector, 38-pin
X11/22 Data link connector 08D II
Y2/1 Supercharger magnetic clutch
Y32 Air pump switchover valve
Y49 Adjustable camshaft timing solenoid
Y58/1 Purge control valve
Y58/4 Activated charcoal filter shutoff valves
Y62 Fuel injection valves
CAN Data bus (Controller Area Network)
a Other components