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G ClassG ClassElectrical SystemsElectrical Systems

11/02/01217 HO Electrical(ICC OP TF) 2-17-03

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These technical training materials are current as of the date noted on the materials, and may be revised or updated without notice. Always check for revisedor updated information.

To help avoid personal injury to you or others, and to avoid damage to the vehicle on which you are working, you must always refer to the latest Mercedes-Benz Technical Publication and follow all pertinent instructions when testing, diagnosing or making repair.Illustrations and descriptions in this training reference are based on preliminary information and may not correspond to the final US version vehicles. Referto the official introduction manual and WIS when available.Copyright Mercedes-Benz USA, LLC, 2003

Reproduction by any means or by any information storage and retrieval system or translation in whole or part is not permitted without writtenauthorization from Mercedes-Benz USA, LLC or its successors.Published by Mercedes-Benz USA, LLCPrinted in U. S.A.

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F32

125A125A200A200A

200A200A

60A60A

F32 F32 - Pre-fuse box- Pre-fuse boxF34 F34 - Fuse box- Fuse boxG1G1 - Battery - Battery G2G2 - Alternator- AlternatorM1M1 - Starter- StarterN10/1 N10/1 - Front SAM- Front SAMN10/2 N10/2 - Rear SAM- Rear SAMW10 W10 - Battery ground- Battery ground50 50 - Starter signal- Starter signal

Power DistributionPower Distribution

50

W10

N10/1

N10/1

N10/2

F34

G1

G2

M1

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Battery (G1):Battery (G1):•• AGM (absorbent glass mat) AGM (absorbent glass mat)

- 12 V 90 Ah- 12 V 90 Ah

Pre-fuse Box (F32):Pre-fuse Box (F32):•• Power distribution point Power distribution point•• Reduce fire risk in an accident Reduce fire risk in an accident•• Fuses not replaceable Fuses not replaceable

(replace complete assembly)(replace complete assembly)

BatteryBattery

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AGM / VRLA Battery ConstructionAGM / VRLA Battery Construction

•• Completely sealed case construction Completely sealed case construction

•• No liquid electrolyte No liquid electrolyte

•• Absorbent glass mat (V) holds electrolyte in contact with positive and negative plates Absorbent glass mat (V) holds electrolyte in contact with positive and negative plates

•• Vent valve is normally sealed no gases can escape during normal charging Vent valve is normally sealed no gases can escape during normal charging

•• Vent valve is only opened if internal pressure exceeds predetermined level Vent valve is only opened if internal pressure exceeds predetermined level

The major differences in construction betweenThe major differences in construction between

a AGM battery and standard lead acid a AGM battery and standard lead acid

automotive battery are:automotive battery are:

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AGM / VRLA Battery PropertiesAGM / VRLA Battery Properties

•• Longer service life Longer service life

•• Improved cold starting Improved cold starting characteristics characteristics

•• Improved deep cycle Improved deep cycle performance performance

•• No liquid acid spills or leaks No liquid acid spills or leaks

•• Fast recharge time Fast recharge time

•• Completely maintenance free Completely maintenance free

•• Battery labelBattery label (VRLA) (VRLA) Valve Regulated Lead AcidValve Regulated Lead Acid •• No fill capsNo fill caps

•• No fill marksNo fill marks

How to Identify AGM Battery:How to Identify AGM Battery:

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AGM / VRLA Battery TestingAGM / VRLA Battery Testing•• AGM batteries cannot be tested using previous methods (load and acid density tests)AGM batteries cannot be tested using previous methods (load and acid density tests)

•• Requires the new Midtronics MCR 717 tester and printerRequires the new Midtronics MCR 717 tester and printer

•• Tester measures battery conductance by inducing A/C voltage of a given frequency andTester measures battery conductance by inducing A/C voltage of a given frequency andamplitude on the battery posts and monitoring the current flow in response to itamplitude on the battery posts and monitoring the current flow in response to it

•• Discard the acid density sheet, and enter test code (recorded by tester) on warranty claimDiscard the acid density sheet, and enter test code (recorded by tester) on warranty claimformsforms

•• Battery replaced under warranty must have a test printout attached to the R.O.Battery replaced under warranty must have a test printout attached to the R.O.

•• Detailed information about testing, and using the MCR717 can be found inDetailed information about testing, and using the MCR717 can be found inWIS SI54.10-P-0003-01WIS SI54.10-P-0003-01

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Front SAM (N10/1)

Rear SAM (N10/2)

F34

Relays

Fuse & Relay LocationFuse & Relay Location

vv iviv iiiiii iiii iiRelays overrear SAM

F2

8 7 6 5 4 3 2 1 I K

L M N

OP Q R

S

A B C D E F G H

T U V

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Fuse and Relay LegendFuse and Relay LegendF34 F34 Fuse dataFuse data F2F2 Fuse data Fuse data

2121 - DCM FL- DCM FL 30A30A 112222 - DCM FR- DCM FR 30A30A 22 - ESP / Stop lamp switch N.C.- ESP / Stop lamp switch N.C. 10A10A2323 - Rear reading light- Rear reading light 5A 5A 332424 44 - Steering angle sensor / Stop lamp switch N.O.15A- Steering angle sensor / Stop lamp switch N.O.15A2525 - UCP / Front seat heaters- UCP / Front seat heaters 10A10A 552626 - Illuminated door sill- Illuminated door sill 7.5A7.5A 66 - Rear seat heating module- Rear seat heating module 20A20A2727 - LF ESA- LF ESA 30A30A 77 - L Auxiliary fan / Steering angle sensor- L Auxiliary fan / Steering angle sensor 20A20A2828 - Interior socket- Interior socket 30A30A 88 - R Auxiliary fan- R Auxiliary fan 20A20A29293030 - HVAC blower- HVAC blower 40A40A3131 - EIS- EIS 20A20A3232 - LR DCM- LR DCM 30A30A3333 - RR DCM- RR DCM 30A30A3434 - TELE AID- TELE AID 7.5A7.5A353536363737 - Diff. lock relay- Diff. lock relay 15A15A3838 - RF ESA- RF ESA 30A30A3939 - Transfer case module- Transfer case module 40A40A40404141 - UCP / AC- UCP / AC 7.5A7.5A4242 - Inst. cluster- Inst. cluster 7.5A7.5A

Relays Relays (at left rear of vehicle)(at left rear of vehicle)

TT - Transmission output speed sensor ballast (N36)- Transmission output speed sensor ballast (N36)UU - Tailgate central locking (K44)- Tailgate central locking (K44)VV - Rear window wiper (K68)- Rear window wiper (K68)

RelaysRelays (over rear SAM)(over rear SAM)

i i - L Auxiliary fan (K9/1) - L Auxiliary fan (K9/1) ii ii - R Auxiliary fan (K9/2) - R Auxiliary fan (K9/2) iii iii - High pressure pump relay ESP (K60)- High pressure pump relay ESP (K60)iv iv - Stop lamp suppression (K55) - Stop lamp suppression (K55) V V - Diff. lock & - Diff. lock & vacvac. pump (K36). pump (K36)

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Front SAM (N10/1) LegendFront SAM (N10/1) Legend

43A43A - Fanfare horns term. 15R- Fanfare horns term. 15R 15A15A 616143B43B - Fanfare horns term. 30- Fanfare horns term. 30 15A15A 6262 - Light switch term 15R- Light switch term 15R 5A 5A4444 - Cell phone cradle term. 15R- Cell phone cradle term. 15R 5A 5A 6363 - Diff. lock / lights- Diff. lock / lights 5A 5A4545 - Airbag term. 15R- Airbag term. 15R 10A10A 6464 - Radio / COMAND- Radio / COMAND 10A10A4646 - Wiper on / off- Wiper on / off 20A20A 6565 - Air injection pump- Air injection pump 40A40A4747 - Cigar lighter / glove term. 15R- Cigar lighter / glove term. 15R 15A15A4848 - Ignition Coils term. 15- Ignition Coils term. 15 15A15A4949 - Airbag term. 15- Airbag term. 15 10A10A5050 - Rear HS / lights term. 15R- Rear HS / lights term. 15R 5A 5A RelaysRelays5151 - Instrument cluster- Instrument cluster 7.5A7.5A5252 - Starter- Starter 15A15A II - Fanfare horns- Fanfare horns53a53a - Engine / M1 term. 87- Engine / M1 term. 87 15A15A KK - Chassis term. 87 (ETC,ESM,TC, diff. switch)- Chassis term. 87 (ETC,ESM,TC, diff. switch)53b53b LL - Wiper speeds 1 & 2- Wiper speeds 1 & 254a54a - Engine / M2 term. 87- Engine / M2 term. 87 15A15A MM - Terminal 15 (IC, AB, TELE AID, light switch)- Terminal 15 (IC, AB, TELE AID, light switch)54b54b NN - F2 supply- F2 supply5555 - TC / ETC- TC / ETC 7.5A7.5A OO - Air pump- Air pump5656 - Diff, locks / PTS- Diff, locks / PTS 7.5A7.5A PP - Terminal 15R (AB, RSH, glove box light, cigar)- Terminal 15R (AB, RSH, glove box light, cigar)5757 - EIS term. 30Z- EIS term. 30Z 5A5A QQ - Wiper on / off (cutoff to L)- Wiper on / off (cutoff to L)5858 - F2- F2 40A40A RR - Engine term. 87 (engine, R SAM, wiper)- Engine term. 87 (engine, R SAM, wiper)5959 - ABS return pump- ABS return pump 50A50A SS - Starter- Starter6060 - ABS valve block- ABS valve block 40A40A

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Rear SAM (N10/2) LegendRear SAM (N10/2) Legend11 - Terminal 15R2 / - Terminal 15R2 / TesTes left left 30A30A RelaysRelays22 - Terminal 15R2 / - Terminal 15R2 / TesTes right right 30A30A33 AA - Fuel pump- Fuel pump44 - Fuel pump- Fuel pump 15A15A BB - Relay 2 terminal 15R- Relay 2 terminal 15R55 CC66 DD77 EE - Rear window defroster- Rear window defroster88 - Antenna module, ATA siren- Antenna module, ATA siren 7.5A 7.5A FF - Relay 1 terminal 15R (TELE AID, ETC speed- Relay 1 terminal 15R (TELE AID, ETC speed tilt sensor sensor ballast, rear wiper tilt sensor sensor ballast, rear wiper99 - OCP- OCP 25A25A GG - Filler cap polarity reverser 1- Filler cap polarity reverser 11010 - Rear window defroster- Rear window defroster 20A 20A HH - Filler cap polarity reverser 2- Filler cap polarity reverser 2111112121313 - Pressure pump term. 15- Pressure pump term. 15 20A20A1414 - Rear wiper- Rear wiper 15A15A1515 - Filler cap- Filler cap 10A10A1616 - VCS- VCS 5A5A1717 - Trailer ECM- Trailer ECM 20A20A1818 - Trailer socket- Trailer socket 20A20A1919 - Pressure pump term. 30- Pressure pump term. 30 20A20A2020 - Central locking tailgate- Central locking tailgate 10A10A

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F2 & F34 Fuse BoxF2 & F34 Fuse Box

Location : left instrument panel (cover removed)Location : left instrument panel (cover removed)

F2

F34

Note: fuse chart can be found in F34Note: fuse chart can be found in F34

13Location: under dash on passengerLocation: under dash on passenger sideside

Front SAM (N10/1) Front SAM (N10/1)

To remove N10/1, remove nut & pivot down

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Rear SAM (N10/2)Rear SAM (N10/2)

•• Rear SAM fuses are accessible Rear SAM fuses are accessible from right side from right side

•• Right front seat fuse located in Right front seat fuse located in F34 (left of instrument panel) F34 (left of instrument panel)

•• Rear SAM located under center Rear SAM located under center console console

•• Additional relays (i - v) above rear Additional relays (i - v) above rear SAM are not accessible through SAM are not accessible through cover cover

Front of vehicle

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Additional RelaysAdditional RelaysTT - Transmission output speed sensor ballast (N36)- Transmission output speed sensor ballast (N36)

UU - Tailgate central locking (K44)- Tailgate central locking (K44)

VV - Rear window wiper (K68)- Rear window wiper (K68)

Location: left rear trunkLocation: left rear trunk

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Networking LegendNetworking LegendA1A1 - Instrument cluster- Instrument clusterA2/6A2/6 - Compact disc changer- Compact disc changerA2/13A2/13 - Sound amp (Harman/- Sound amp (Harman/KardonKardon option) option)A35A35 - HSE / PSE- HSE / PSEA35/8A35/8 - TELE AID module- TELE AID moduleA35/11A35/11 - Voice control module- Voice control moduleA40/3A40/3 - COMAND- COMAND

N2/7N2/7 - SRS module- SRS moduleN3/10N3/10 - ME-SFI module- ME-SFI moduleN10/1N10/1 - Front SAM- Front SAMN10/2N10/2 - Rear SAM- Rear SAMN15/3N15/3 - Electronic transmission control- Electronic transmission controlN15/5N15/5 - Electronic shifter module- Electronic shifter moduleN15/7N15/7 - Transfer case module (VG)- Transfer case module (VG)N22N22 - Air conditioning module- Air conditioning moduleN25/6N25/6 - Rear seat heater module- Rear seat heater module

N32/1N32/1 - Left ESA- Left ESAN32/2N32/2 - Right ESA- Right ESA N47/5N47/5 - ESP module (from DAS)- ESP module (from DAS)N69/1N69/1 - LF door control module- LF door control moduleN69/2N69/2 - RF door control module- RF door control moduleN69/3N69/3 - LR door control module- LR door control moduleN69/4N69/4 - RR door control module- RR door control moduleN70N70 - Overhead control panel- Overhead control panelN72/1N72/1 - Upper control panel- Upper control panelN73N73 - Electronic ignition switch- Electronic ignition switchN80N80 - Steering column module- Steering column module

S76S76 - Differential lock switch group- Differential lock switch group

X30/4X30/4 - CAN B connector- CAN B connectorX30/6X30/6 - CAN B connector- CAN B connectorX30/7X30/7 - CAN B connector- CAN B connector

Note: ESP module listed as N30/4 in USANote: ESP module listed as N30/4 in USA ETM and on STAR ETM and on STAR TekTek ETM ETM

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NetworkingNetworking

Networking based on W203Networking based on W203

A35/8

A2/6A2/6

Note: D2B components configuration - refer to T-I-82.70/185ANote: D2B components configuration - refer to T-I-82.70/185A

Not on CANNot on CAN

N80

A2/13

S76

A35

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X30/6

N73 N69/1 A1 A35/8

X30/7

N10/2 N32/1 N69/3A40/3

N69/4

N69/2

N32/2

X30/4

N10/1

N22

N70

N72/1

All CAN H wires are red except for “jumpers”All CAN H wires are red except for “jumpers”All CAN L wires are brownAll CAN L wires are brown

“jumpers”“jumpers”CAN H wire blackCAN H wire black

CAN B DiagramCAN B Diagram

CAN H voltageCAN H voltage = ~ 0 volts (sleep) ~0.65 volts (active)= ~ 0 volts (sleep) ~0.65 volts (active)CAN L voltage CAN L voltage = ~11 volts (sleep) ~4.65 volts (active)= ~11 volts (sleep) ~4.65 volts (active)

N80

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CAN B Connector X30/6CAN B Connector X30/6

Most CAN wires are labeledMost CAN wires are labelednear the plug connector withnear the plug connector with

German acronymsGerman acronyms

Location: under drivers dash Location: under drivers dash (shown with (shown with underdashunderdash trim removed) trim removed)

EZSEZS - Electronic ignition switch (N73)- Electronic ignition switch (N73)KombiKombi - Instrument cluster (A1)- Instrument cluster (A1)E-CallE-Call - TELE AID- TELE AID

- Jumper to X30/4- Jumper to X30/4TSGTSG - LF Door control module (N69/1)- LF Door control module (N69/1)

- Steering column module (N80)- Steering column module (N80)

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CAN B Connector X30/4 & X30/7CAN B Connector X30/4 & X30/7

Location: in passenger kick panel behind waterLocation: in passenger kick panel behind water protection sheet protection sheet

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X30/4 & X30/7 Label LegendX30/4 & X30/7 Label LegendX30/4X30/4

OBFOBF - Upper control panel (N72/1)- Upper control panel (N72/1)VerVer POT V3 POT V3 - Jumper to X30/7- Jumper to X30/7DBEDBE - Overhead control panel (N70)- Overhead control panel (N70)TSG H reTSG H re - RR Door control module (N69/4)- RR Door control module (N69/4)SitzSitz - LF Electric seat adjuster (N32/2)- LF Electric seat adjuster (N32/2)VerVer POT V1 POT V1 - Jumper to X30/6- Jumper to X30/6KLAKLA - Air conditioning module (N22)- Air conditioning module (N22)TSG V reTSG V re - RF Door control module (N69/2)- RF Door control module (N69/2)

X30/7X30/7RadioRadio - Radio (not used)- Radio (not used)COMANDCOMAND - COMAND (A40/3)- COMAND (A40/3)SAM VSAM V - Front SAM (N10/1)- Front SAM (N10/1)VerVer POT V3 POT V3 - Jumper to X30/4- Jumper to X30/4TSG HLTSG HL - LR Door control module (N69/3)- LR Door control module (N69/3)SitzSitz - LF Electric seat adjuster (N32/1)- LF Electric seat adjuster (N32/1)SAM HSAM H - Rear SAM (N10/2)- Rear SAM (N10/2)

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CAN C Connector (X63/4)CAN C Connector (X63/4)

Location: right side of center console Location: right side of center consoleLabel Legend:Label Legend:EZSEZS - Electronic ignition switch (N73)- Electronic ignition switch (N73)KombiKombi - Instrument cluster (A1)- Instrument cluster (A1)MEME - ME-SFI control module (N3/10)- ME-SFI control module (N3/10)VGSVGS - Transfer case control module (N15/7)- Transfer case control module (N15/7)

EWMEWM - Electronic shifter module (N15/5)- Electronic shifter module (N15/5)- ESP control module (N47/5)- ESP control module (N47/5)

NAGNAG - ETC module (N15/3)- ETC module (N15/3)- Steering column module (N80)- Steering column module (N80)

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A2/22 A2/22 Front r Front roof edgeoof edge

•• Portable telephone Portable telephone•• TELE AID back up TELE AID back up

A2/23 A2/23 Behind left headlight surround Behind left headlight surround

•• GPS antenna for NAV & TELE AID GPS antenna for NAV & TELE AID

A2/50 A2/50 Rear bumper end capsRear bumper end caps

•• TELE AID primary TELE AID primary

Telephone & GPS AntennaTelephone & GPS Antenna

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A2/18 A2/18 Left rear window Left rear window

•• Antenna in window Antenna in window

•• Amplifier Amplifier

AM/FM AntennaAM/FM Antenna

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Central Locking Antenna & AmplifierCentral Locking Antenna & Amplifier

Amplifier at base of windshield on right sideAmplifier at base of windshield on right sideAntenna in windshieldAntenna in windshield

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Electric Central LockingElectric Central Locking

•• RF antenna in front windshield RF antenna in front windshield•• IR receiver in LF door only IR receiver in LF door only•• Door closure monitored by micro switches in door latch assemblies Door closure monitored by micro switches in door latch assemblies•• Door central locking motor incorporated in latch assemblies Door central locking motor incorporated in latch assemblies

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Anti Theft Alarm (ATA)Anti Theft Alarm (ATA)

•• Rear SAM is the primary ATA module Rear SAM is the primary ATA module

•• Hood contact switch (not micro switch) Hood contact switch (not micro switch)

•• Door latch micro switch in latch assembly Door latch micro switch in latch assembly

•• Alarm siren hard wired to rear SAM Alarm siren hard wired to rear SAM

E6/12

E6/11

E6/1E6/2

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CL & ATA LegendCL & ATA LegendA1A1 - Instrument cluster- Instrument clusterA2/65A2/65 - CL antenna- CL antennaA8/1A8/1 - SmartKey- SmartKeyA26/1A26/1 - IR receiver- IR receiverB33B33 - ATA tilt sensor- ATA tilt sensorE3e1E3e1 - LR Turn signal lamp- LR Turn signal lampE4e1E4e1 - RR Turn signal lamp- RR Turn signal lampE6/1E6/1 - LF Turn signal lamp (front fender)- LF Turn signal lamp (front fender)E6/2E6/2 - RF Turn signal lamp (front fender)- RF Turn signal lamp (front fender)E6/11E6/11 - Left turn signal lamp (A pillar)- Left turn signal lamp (A pillar)E6/12E6/12 - Right turn signal lamp (A pillar) - Right turn signal lamp (A pillar) H3/1H3/1 - ATA siren- ATA sirenM14/5M14/5 - RF door latch motor / micro switch- RF door latch motor / micro switchM14/6M14/6 - LF door latch motor / micro switch- LF door latch motor / micro switchM14/7M14/7 - Tailgate latch motor / micro switch- Tailgate latch motor / micro switchM14/8M14/8 - LR door latch motor / micro switch- LR door latch motor / micro switchM14/9M14/9 - RR door latch motor / micro switch- RR door latch motor / micro switchM14/10M14/10 - Fuel filler flap lock motor- Fuel filler flap lock motor

N10/1N10/1 - Front SAM- Front SAMN10/2N10/2 - Rear SAM- Rear SAMN69/1N69/1 - LF Door control module- LF Door control moduleN69/2N69/2 - RF Door control module- RF Door control moduleN69/3N69/3 - LR Door control module- LR Door control moduleN69/4N69/4 - RR Door control module- RR Door control moduleN70N70 - Overhead control panel- Overhead control panelN72/1N72/1 - Upper control panel- Upper control panelN72/1s7N72/1s7 - Tow sensor off switch- Tow sensor off switchN73N73 - Electronic ignition switch- Electronic ignition switchS62S62 - Hood contact switch- Hood contact switchX11/4X11/4 - Diagnostic connector- Diagnostic connector

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ATA SirenATA Siren

Location: in left front fenderLocation: in left front fender

•• Hard wired to rear SAM Hard wired to rear SAM - 12 V fused power supply - 12 V fused power supply (N10/2 f8) for operation and (N10/2 f8) for operation and charging battery charging battery - Bi-directional communication - Bi-directional communication with rear SAM (arm/disarm) with rear SAM (arm/disarm)

•• Built in battery back up Built in battery back up - If ATA armed and battery - If ATA armed and battery disconnected siren will still disconnected siren will still work work

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Outside LightingOutside Lighting

•• Circuit protection by electronic fuses in Circuit protection by electronic fuses in SAM’sSAM’s•• 1 reverse lamp lens (right side) 1 reverse lamp lens (right side)•• 1 rear fog lamp lens (left side) 1 rear fog lamp lens (left side)•• Lamp substitution only for tail lamps (activate stop lamps with PWM) Lamp substitution only for tail lamps (activate stop lamps with PWM)

E6/2

E6/10

E5/2

E5/1

E6/1

E6/9

E6/11

E6/12

E6/8

E7

E3/1

E6/7

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LegendLegendA1A1 - Instrument cluster- Instrument clusterB32/1B32/1 - Light sensor- Light sensorE1e1E1e1 - LF High beam- LF High beamE1e2E1e2 - LF Low beam- LF Low beamE1e3E1e3 - LF Standing / Parking lamp- LF Standing / Parking lampE2e1E2e1 - RF High beam- RF High beamE2e2E2e2 - RF Low beam- RF Low beamE2e3E2e3 - RF Standing / Parking lamp- RF Standing / Parking lampE3e1E3e1 - LR Turn signal lamp- LR Turn signal lampE3e2E3e2 - LR Standing / Parking lamp- LR Standing / Parking lampE3e4E3e4 - LR Stop lamp- LR Stop lampE3/1E3/1 - Rear Fog lamp- Rear Fog lampE4e1E4e1 - RR Turn signal lamp- RR Turn signal lampE4e2E4e2 - RR Standing / Parking lamp- RR Standing / Parking lampE4e4E4e4 - RR Stop lamp- RR Stop lampE5/1E5/1 - LF Fog lamp- LF Fog lampE5/2E5/2 - RF Fog lamp- RF Fog lampE6/1E6/1 - LF Turn signal lamp (top of fender)- LF Turn signal lamp (top of fender)E6/2E6/2 - RF Turn signal lamp (top of fender)- RF Turn signal lamp (top of fender)E6/7E6/7 - LR side marker lamp- LR side marker lampE6/8E6/8 - RR side marker lamp- RR side marker lamp

E6/9E6/9 - LF side marker lamp- LF side marker lampE6/10E6/10 - RF side marker lamp- RF side marker lampE6/11E6/11 - Left turn signal lamp (A pillar)- Left turn signal lamp (A pillar)E6/12E6/12 - Right turn signal lamp (A pillar)- Right turn signal lamp (A pillar)E7E7 - Reverse lamp - Reverse lamp E19/1E19/1 - Left license plate lamp- Left license plate lampE19/2E19/2 - Right license plate lamp- Right license plate lampE21E21 - Third stop lamp- Third stop lampN10/1N10/1 - Front SAM- Front SAMN10/2N10/2 - Rear SAM- Rear SAMN47/5N47/5 - ESP control module- ESP control moduleN69/1N69/1 - LF Door control module- LF Door control moduleN69/2N69/2 - RF Door control module- RF Door control moduleN70N70 - Overhead control panel- Overhead control panelN72/1N72/1 - Upper control panel- Upper control panelN72/1s5N72/1s5 - Hazard warning switch- Hazard warning switchN73N73 - Electronic ignition switch- Electronic ignition switchS1S1 - Light switch- Light switchS4S4 - Combination switch- Combination switchS9/1S9/1 - Stop lamp switch- Stop lamp switch11 - CAN B- CAN B

32

•• Easy entry / exit feature for steering wheel onlyEasy entry / exit feature for steering wheel only

•• “Tip” / touch flash directional signals“Tip” / touch flash directional signals

•• Automatic exterior lightingAutomatic exterior lighting

•• Night security illuminationNight security illumination

- Locator lighting- Locator lighting

- Headlamp delay- Headlamp delay

•• Climate control is the same as found on C240 (AAC)Climate control is the same as found on C240 (AAC)

•• Front and rear seat heaters are standardFront and rear seat heaters are standard

•• Key dependant memory feature can be activatedKey dependant memory feature can be activated

Convenience ElectronicsConvenience Electronics

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Reversing Aid (BA)Reversing Aid (BA)Distance warning system whenDistance warning system whenreversing at slow speeds.reversing at slow speeds.

Alerts the driver: Alerts the driver:- visually- visually- audible- audible

Location: right rear D pillarLocation: right rear D pillar

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BA Control Module & SensorsBA Control Module & SensorsReversing aid control module (N62)Reversing aid control module (N62)located in left rear cargo area (near CD changer)located in left rear cargo area (near CD changer)

•• Evaluates signals from rear bumper sensors Evaluates signals from rear bumper sensors•• Operates warning indicator display (A44) Operates warning indicator display (A44)•• No self diagnostics No self diagnostics•• SDS / DAS has guided tests SDS / DAS has guided tests

Rear Bumper sensors (A43/_)Rear Bumper sensors (A43/_)

•• 4 Ultrasonic bumper sensors 4 Ultrasonic bumper sensors•• Optimal sensor range Optimal sensor range 11 - 70 inches 11 - 70 inches

35

Drivers Drivers MulticontourMulticontour Seat (MCS) Seat (MCS)

1 - Seat base 2 - Lower back 3 - Upper back 4 - Back side

•• Adjust air volume in various bladders within Adjust air volume in various bladders within drivers seat using control valve drivers seat using control valve

•• MCS pump (M14/11) supplies air volume to MCS pump (M14/11) supplies air volume to control valve as required control valve as required

•• M14/11 located under cover plate (2), right side M14/11 located under cover plate (2), right side of the battery (G1) of the battery (G1)

36

Service TipService Tip

Cover above front SAM &Cover above front SAM &ME-SFI control modules mustME-SFI control modules must

be watertight or electricalbe watertight or electricalproblems will occurproblems will occur

Location: under AAC air intakeLocation: under AAC air intake