Mercedes Benz Workshop Service and Repair Manuals

IPS

Actual value potentiometer signal

IR

InfraRed

IRCL

Infrared Remote Central Locking

SC

Idle Speed Control

IV

Input Valve

KS

Knock Sensor

KSK

Control contact

KSS

Knock Sensor System

KU +

Clutch +

KU -

Clutch - 

LA

Lamp output (preglow relay)

LED G

Green feedback LED

LED R

Red feedback LED

LF

Left Front

LHS

LeftHand Steering

LH-SFI

LH-Sequential multiport Fuel Injection system

LS

Loudspeaker System

LSK

Idle speed safety contact 

M +

Motor +

M -

Motor -

MAF

Mass Air Flow

MAP

Manifold Absolute Pressure

MB-ISO

Diagnostic connector

ME-SFI

ME Sequential multiport Fuel Injection/ignition system

MIL

Malfunction Indicator Lamp

MOT

Motor

MSC

Mirror, Steering Column adjustment, heated mirrors

MSK

Open throttle safety contact

MUTE

Radio MUTE signal

MVA

Manifold Vacuum Assist

N

Neutral position

O2S

Oxygen (02) Sensor

OBD

On-Board Diagnostics

OC

Oxidation Catalytic converter

OG

OranGe

OSB

Orthopedic Seat Backrest

OV

Output Valve

P

Park position

P +

Potentiometer + reference

P -

Potentiometer - reference

PA

Parking Assist

PARK SW

PARKing brake SWitch

PK

PinK

PL

Power Locking

PMP

Partial intake Manifold Preheater

PNP

Park/Neutral Position

POS

POSition

PS

Power Steering

PSE

Pneumatic System Equipment

PTS

ParkTronic System

PWM

Pulse Width Modulation

R50

Starter solenoid signal (after starter lockout switch)

RCL

Remote Central Locking

RD

RaDio

RD

ReD

REST

Residual engine heaT utilization

RF

Right Front

RFCL

Radio Frequency Central Locking

RHR

Retractable rear Head Restraints

RHS

Rear Heated Seats

RPM

Revolutions Per Minute (engine speed)

RR

Right Rear

RTG

Retractable Trunk lid Grip

RTN

ReTurN line

RTR

Remote Trunk Release

RX

Receive