Component/Circuit Identification

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2000 Mercedes-Benz SLK230, 2000 Mercedes-Benz C230, 1999 Mercedes-Benz SLK230, 1999 Mercedes-Benz C230, and 1998 Mercedes-Benz SLK230. However, it is still accessible from the selected car via links, so may be relevant.

System components and connections are identified by the manufacturer with special designations in diagnostic information. See COMPONENT/CIRCUIT IDENTIFICATION table.

COMPONENT/CIRCUIT IDENTIFICATION

Component/Circuit

Manufacturer's Designation

Adjustable Camshaft Timing Solenoid

Y49

Air Flap/Air Filter Actuator

M16/7

Air Pump Switchover Valve

Y32

Backup Light Switch

S16/2

Drive Authorization System (DAS) Control Module

N54/1

Camshaft (CMP) Sensor

B6/1

Clutch Pedal Switch

S40/2 Or S40/5

Crankshaft Position (CKP) Sensor

Cruise Control Switch

S40

EA/CC/ISC Actuator

M16/6

ECM Tachometer Signal

TN Signal

EGR Switchover Valve

Y27

Electric Cooling Fan Control Module

N76

Electronic Ignition Lock Control Module

N73

Engine Control Module (ECM)

N3/10

Engine Coolant Temperature (ECT) Sensor

B11/4

Fuel Injector

⁽¹⁾ Y62y1

Fuel Tank Pressure Sensor

B4/3

Ignition Coil

⁽²⁾ T1/1

Magnetic Supercharger Clutch

Y2/1

Mass Airflow Sensor (MAF)

B2/5

Oil Level Switch

S43

Output Ground Circuit

W16/6

O2S 1 (Before TWC)

G3/2

O2S 2 (After TWC)

G3/1

Passenger Side Fuse/Relay Panel

K40/4

Pedal Value Sensor

B37

Pressure Sensor

B28

Purge Control Valve

Y58/1

Purge Monitoring Pressure Sensor

B4/4

Starter Lock-Out Relay Module

K40k2

Starter Signal Circuit

Circuit 50

Relay Module

K40

Voltage Supply Circuit

Circuit 30

⁽¹⁾	Last number identifies injector number.

⁽²⁾	Last number identifies coil, (1 for cylinders No. 1 and 3) and (2 for cylinders No. 2 and 4).