LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercedes Benz >> 2003 >> ML320 >> Repair and Diagnosis >> Electrical >> Component Locations >> Electrical Component Locator >> Control Units
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Control Units

CONTROL UNITS LOCATION

Component Location
AAC Push-Button Control Module Behind center of dash.
A/C Control Module Center of dashboard.
Acoustimass Bass Module Under driver's seat. See Figure .
All Activity Module (AAM) In left side of engine compartment, in "E" box. See Figure .
ASR/ETS/ESP Hydraulic Unit In left side of engine compartment, below washer bottle.
Control Field Control Module (Lower) Under center console.
Control Field Control Module (Rear) Under rear center console.
Electronic Selector Lever Control Module Under center console, at base of selector lever assembly.
Emergency Call System Control Module Under right front seat.
Engine Control Module (ME-SFI) In left side of engine compartment, in "E" box. See Figure .
ESA Control Module (Right/Left) Under respective front seat.
ESP/SPS/BAS Control Module In left side of engine compartment, in "E" box. See Figure .
ETC Control Module Behind center of dash. See Figure .
Extended Activity Module (EAM) Behind left side of dash.
FBM Control Module Extended Activity Module (EAM).
Frequency Switch-Over Control Module Under right front seat.
Garage Door Opener Transmitter Center front of roof.
Global Positioning System (GPS) Control Module Behind center of dash.
Headlamp Range Adjustment Control Module Behind driver's side of dash.
Lower Control Field Control Module Around shifter.
MB-Immobilizer Control Module In top right side of steering column. See Figure .
PTS Control Module Behind center of dash.
Rear Ventilation Operating Module Rear side of center console.
Restraint System Control Module Under center console.
Roof Operating Unit Switch Module At center of windshield header.
SRS Control Module Below front of center console. See Figure .
Suction Cooling Fan Control Module At front of engine compartment.
Traction Systems Control Module Left rear of engine compartment.
Trailer Turn Signal Control Module Integral to trailer harness.
Transfer Case Control Module Below center console, behind shift assembly. See Figure .
Trip Computer Control Module In front of roof.
Xenon Headlamp Control Module (Left/Right) Behind respective headlamp.
Xenon Headlamp Ignition Module (Left/Right) Behind respective headlamp.