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Home >> Mercedes Benz >> 2011 >> S550 Base >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical - OEM Wiring Diagrams -- S-Class (221) >> Wiring Schematics >> Wiring Schematic for telephone (TEL) control unit - PE82.70-P-2101-97SAA

Wiring Schematic for telephone (TEL) control unit - PE82.70-P-2101-97SAA

Code: Designation: Position:
A0 Color code key 48L
A2/49a1 Telephone antenna 11L
A2/49a1x1 Telephone antenna connector 11J
A2/53 Telephone/portable CTEL/STH radio remote control antenna splitter 15L
A2/91 Bluetooth antenna 42L
A28/2 Portable CTEL antenna amplifier 19L
A28/3 E-net compensator 19L
A34/13 Rear handset cradle 8L
A34/15 UHI portable CTEL holder (Universal Handy Interface) 23L
A34/15 UHI portable CTEL holder (Universal Handy Interface) 29L
A34/15x1 Connector 1, UPCI [UHI] portable CTEL holder (Universal Handy Interface) 24J
A34/15x2 Connector 2, UPCI [UHI] portable CTEL holder (Universal Handy Interface) 22J
A67b1 Hands-free system microphone group 32L
A67b1 Hands-free system microphone group 36L
A67b1x1 Hands-free system microphone group connector 31H
A67b1x1 Hands-free system microphone group connector 35H
MOST Media Oriented System Transport 40C
N10/2 Rear SAM control unit with fuse and relay module 3L
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control unit 4A
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control unit 12A
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control unit 20A
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control unit 28A
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control unit 36A
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control unit 42A
U1 Valid for {{USA}} 17F
U20 Valid for all (except {{USA}} {{Japan}}) 17F
U402 Valid for telephone in rear 6D
U434 Not valid for VCS [SBS] 30C
U434 Not valid for VCS [SBS] 34C
U579 Valid for stationary heater (STH) 14F
W6 Ground (left wheelhouse in luggage compartment) 20C
X25/8 Overhead control panel and FFS [RBA] connector 31E
X25/8 Overhead control panel and FFS [RBA] connector 36E
X39/37 CTEL separation point 26E
X39/39 Handy connector 21H
X39/39 Handy connector 22H
X39/48 Breakdown assistance/info button connector 24G
X39/57 Bluetooth module connector 6H
Z0/1 Connector sleeve (solder connector in harness) 8E
Z20/30 Tracer wire connector sleeve 26H
Z6/56 Circuit 31 connector sleeve 6E
Z6/56 Circuit 31 connector sleeve 20E
Z7/40 Tml. 30 connector sleeve 19G
Z7/40 Tml. 30 connector sleeve 3E
Z7/40 Tml. 30 connector sleeve 7E
Fig 1: Telephone (TEL) Control Unit Wiring Schematic (1 Of 3)
G07602530Courtesy of MERCEDES-BENZ USA
Fig 2: Telephone (TEL) Control Unit Wiring Schematic (2 Of 3)
G07602531Courtesy of MERCEDES-BENZ USA
Fig 3: Telephone (TEL) Control Unit Wiring Schematic (3 Of 3)
G07602532Courtesy of MERCEDES-BENZ USA