Operation CHARM: Car repair manuals for everyone.
Home >> Mercedes Benz >> 2002 >> SLK 230 (170.449) L4-2.3L SC (111.983) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Initial Inspection (Description and Operation of ME-SFI Systems & Components) >> ME-SFI Ignition System Function Diagram
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

ME-SFI Ignition System Function Diagram




ME-SFI Ignition System Function Diagram




Basic diagram of ignition system with rotorless high voltage distribution engine 111 EURO 3
A16/1 Knock sensor
B2/5 Hot film mass air flow sensor (intake air temperature sensor integrated)
B6/1 Camshaft Hall sensor
B11/4 Coolant temperature sensor
B37 Pedal value sensor
L5 Crankshaft position sensor
M16/6 Throttle valve actuator
N3/10 ME-SFI control module
N15/3 ETC (electronic transmission control) control module
T1/1 Ignition coil cylinder 1
T1/2 Ignition coil cylinder 2
T1/3 Ignition coil cylinder 3
T1/4 Ignition coil cylinder 4
X11/4 Datalink connector
CAN Databus (Controller Area Network)
pro multis · About Operation CHARM