Operation CHARM: Car repair manuals for everyone.
Home >> Mercedes Benz >> 2000 >> SLK 230 (170.447) L4-2.3L SC (111.973) >> Repair and Diagnosis >> Body and Frame >> Body Control Systems >> Testing and Inspection >> Combination Control Module >> Diagnostic Test Procedures >> ETP - Electrical Test Program >> Component Locations
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

Component Locations



Wiper System




M6/1 Wiper motor
N10-3 Combination control module
S4 Combination switch
X11/4 Data link connector (DTC readout)


Interior Lighting




A26/9 RCL receiver (roof frame)
A37 PSE control module
E15/1 Front dome lamp (with switch)
E18/1 Trunk lamp
N10-3 Combination control module
N54/1 IR DAS control module
S17/3 Left front door switch
S17/4 Right front door switch
S69/12 Rotary latch selector switch, trunk lock/trunk illumination


Heated Rear Window




A37 PSE control module
N10-3 Combination control module
N19/1 A/C pushbutton control module (Tempmatic)
R1 Rear window defroster element






F1 Fuse and relay box
F4 Fuse box in trunk
F23/1 Control module box
M2/2 Module box blower motor
N10-3 Combination Control module
X11/4 Data link Connector (DTC readout)

pro multis · About Operation CHARM