Metra Electronics Car Satellite Radio System 99 8712 User Manual

INSTALLATION INSTRUCTIONS FOR PART 99-8712  
APPLICATIONS  
Mercedes Benz C Class  
2005-2007  
99-8712  
KIT FEATURES  
• DIN head unit provision with pocket  
KIT COMPONENTS  
A) Radio Housing  
Antenna Adapter:  
• 40-VW12 - Mercedes antenna adapter  
A
TOOLS REQUIRED:  
Socket Wrench • Torx Screwdriver • Small Flat Blade Screwdriver  
1-800-221-0932  
© COPYRIGHT 2004-2010 METRA ELECTRONICS CORPORATION REV. 10-07-10  
 
DASH DISASSEMBLY  
99-8712  
2005-2007 MERCEDES BENZ C CLASS  
A
1
Disconnect the negative battery  
terminal to prevent an accidental  
short circuit.  
2
3
4
Unclip and remove cover around  
shift lever and cup holder. (Figure A)  
Unclip and remove ashtray assembly.  
(Figure B)  
Remove (2) Torx screws from the  
bottom of the climate control unit  
B
then remove the unit. (Figure C)  
C
1
 
DASH DISASSEMBLY  
99-8712  
2005-2007 MERCEDES BENZ C CLASS  
D
5
Using a small screwdriver push the  
release clips inside the vents inward  
and rotate the vents upward to  
expose the (2) Torx screws behind  
the vents. (Figure D)  
6
7
Unclip and remove the vent assembly.  
(Figure E)  
Remove (4) Torx screws securing  
factory radio then remove the unit.  
E
(Figure F)  
F
2
 
KIT ASSEMBLY  
99-8712  
DIN HEAD UNIT PROVISION  
A
1
2
Slide the DIN cage into the Radio  
Housing and secure by bending the  
metal locking tabs down. (Figure A)  
Slide the aftermarket head unit into  
the cage and secure. (Figure B)  
B
3
 
FINAL ASSEMBLY  
99-8712  
FINAL ASSEMBLY  
Locate the factory wiring harness in the dash and make the connection as shown.  
Metra recomends using the proper mating adapter and making the connections as  
shown. (Isolate and individually tape off the ends of any unused wires to prevent  
1
Re-connect the negative battery terminal and test the unit for proper operation.  
Reassemble radio and dash assemblies in reverse order of disassembly.  
2
3
FINAL WIRING CONNECTIONS  
Make wiring connections using the EIA color code chart shown below and the instructions included with the head  
unit. Metra recommends making connections as shown below; Strip, Splice, Solder, Tape. Isolate and individually  
tape off ends of any unused wires to prevent electrical short circuit.  
A
A)  
B)  
C)  
D)  
Strip wire ends back 1/2"  
Twist ends together  
Solder  
B
C
D
Tape  
METRA / EIA WIRING CODE  
12V Ignition / Acc . . . Red  
Right Front (+) . . . . . Gray  
12V Batt / Memory . . Yellow  
Ground . . . . . . . . . . . Black*  
Power Antenna . . . . . Blue  
Right Front (-). . . . . . Gray / Black  
Left Front (+) . . . . . . White  
Left Front (-). . . . . . . White / Black  
Right Rear (+). . . . . . Violet  
Amp Turn-On . . . . . . Blue / White  
Amp Ground . . . . . . . Black / White  
Illumination. . . . . . . . Orange  
Dimmer . . . . . . . . . . Orange / White  
Right Rear (-) . . . . . . Violet / Black  
Left Rear (+). . . . . . . Green  
Left Rear (-) . . . . . . . Green / Black  
*NOTE: When Black a wire is not present, ground radio to vehicle chassis.  
All colors may not be present on all leads due to manufacturer’s specifications.  
4
 
99-8712 INSTRUCTIONS  
1-800-221-0932  
REV. 10/07/10  
© COPYRIGHT 2004-2010 METRA ELECTRONICS CORPORATION  
INST99-8712  
 

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