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Home >> Mercedes Benz >> 2007 >> 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-2101-99SAA

Wiring Schematic for telephone (TEL) control unit - PE82.70-P-2101-99SAA

Code: Designation: Position:
A0 Explanation of color code 40 L
A2/49a1 CTEL antenna 7L
A2/49a1x1 Telephone antenna connector 7J
A2/53 Phone/CTEL/STH radio remote control antenna splitter 11 L
A2/91 Bluetooth antenna 38 L
A28/2 Portable CTEL antenna amplifier 14L
A28/2 Portable CTEL antenna amplifier 18L
A28/3 E-net compensator 14L
A28/3 E-net compensator 18L
A34/13 Rear portable CTEL bracket 6L
A34/15 UHI portable CTEL holder (Universal Handy Interface) 22 L
A34/15x1 Connector 1, UPCI [UHI] portable CTEL holder (Universal Interface) Handy 21 J
A34/15x2 Connector 2, UPCI [UHI] portable CTEL holder (Universal Interface) Handy 19J
A67b1 Hands-free system microphone group 29 L
A67b1 Hands-free system microphone group 33 L
A67b1x1 Hands-free system microphone group connector 27 H
A67b1x1 Hands-free system microphone group connector 31 H
N10/2 Rear SAM control module with fuse and relay module 2L
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control module 4A
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control module 12A
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control module 20 A
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control module 28 A
N123/1 Universal Portable CTEL Interface (UPCI [UHI]) control module 36 A
U1 Valid for {{USA}} 13F
U20 Valid for all except {{USA}}{{Japan}} 13F
U402 Valid for rear telephone 5E
U434 Not valid for VCS [SBS] 27 C
U434 Not valid for VCS [SBS] 31 C
U579 Valid for stationary heater (STH) 10F
W6 Ground (left wheelhousing in trunk) 16D
X25/8 Overhead control panel and FFS [RBA] connector 27 E
X25/8 Overhead control panel and FFS [RBA] connector 32 E
X39/37 CTEL separation point 22 E
X39/39 Handy connector 17H
X39/39 Handy connector 19H
X39/48 Breakdown assistance/info button connector 20 H
X39/57 Bluetooth module connector 5H
Z20/30 Tracer wire connector sleeve 22 H
Z6/56 Circuit 31 connector sleeve 5E
Z6/56 Circuit 31 connector sleeve 15E
Z7/40 Circuit 30 connector sleeve 2E
Fig 1: Telephone (TEL) Control Unit Wiring Schematic (1 Of 3)
G07602533Courtesy of MERCEDES-BENZ USA
Fig 2: Telephone (TEL) Control Unit Wiring Schematic (2 Of 3)
G07602534Courtesy of MERCEDES-BENZ USA
Fig 3: Telephone (TEL) Control Unit Wiring Schematic (3 Of 3)
G07602535Courtesy of MERCEDES-BENZ USA