2009 CLK550 covertible bluetooth phone connection.

Your car should have a small cable where you can connect Mercedes Bluetooth MHI Dongle Puck Adapter. It is usually in the center console. Let me know if you can't find it. Below is a list of all options on your car. Code Description 212B OP. INSTRUCT. AND MAINT. BOOKLET-ENGL. FOR USA/CAN 213 SPEED-SENSITIVE POWER STEERING/VARIO STEERING 232 GARAGE DOOR OPENER WITH 284 - 390 MHZ FREQUENCY 242 FRONT SEAT RH ELECTRIC ADJUSTABLE WITH MEMORY 249 INSIDE AND OUTSIDE MIRROR AUTOMATIC DIMMING 264 LICENSE PLATE ATTACHMENT AMERICA 265 LINES-NO.PLATE DISCONTINUED 275 MEMORY PACKAGE (DRIVER SEAT, STRG. COL., MIRROR) 283 DRAFT STOP/GLASS DRAFT STOP 284B AIRBAG LABEL - ENGLISH FOR USA 301 ASHTRAY PACKAGE 342B INSTRUMENT CLUSTER LANGUAGE - AMERICAN ENGLISH 359 LOW COST TELEAID USA 387 MOBILE PRE.-INSTALLATION (MTUS) USA / CANADA 401 FRONT SEAT CLIMATE CONTROL 404 MULTI-CONTOUR SEAT, FRONT LEFT 427 AUTOMATIC TRANSMISSION 7-SPEED 428 STEERING WHEEL SHIFT BUTTONS/GEARSHIFT PADDLES 461 INSTRUMENT WITH MILES IND. AND ENGLISH LEGEND 470 TIRE PRESSURE MONITOR (TPM) LOW LINE 486 SPORTS SUSPENSION 494 U.S. VERSION 530 COMAND DVD APS USA WITH NAVIGATION 536 "SIRIUS" SATELLITE RADIO COMPLETE SYSTEM 551 ANTI-THEFT/ANTI-BREAK-IN WARNING SYSTEM 573 CHILD SEAT MOUNTING, ISOFIX IN REAR 581 AUTOMATIC CLIMATE CONTROL 600 HEADLAMPS - CLEANING EQUIPMENT 615 BI-XENON HEADLICHT W.ACTVIE CURVELIGHT RIGHT-DRIVE 619 CORNERING ILLUMINATION 634 DELETION - FIRST AID KIT 636 DELETION - WARNING TRIANGLE 650U CALCITE WHITE - STANDARD FINISH 668 PRODUCT PROT.F.TRANSPORT VEH. W/ TIE-DOWN HOOKS 673 HIGH-CAPACITY BATTERY 690 EMERGENCY SPARE TIRE (MINI SPARE) 705L UNITED STATES (USA) 731 WOOD TRIM BURRED WALNUT ROOT 740 BLACK SOFT TOP FABRIC 763 RADIO REMOTE CONTROL W/ PANIC SWITCH (315 MHZ) 772 AMG STYLING PACKAGE-FRONT SPOILER, SIDE SKIRT 786 AMG DOUBLE-SPOKE WHEELS 18" WITH MIXED TIRES 7XXL NORTH AND SOUTH AMERICA 805A AMARETTA/LEATHER/NAPPA/SEMI-ANILINE - BEIGE 809 AEJ 08/1 810 SOUND SYSTEM 810A AMARETTA/LEATHER/NAPPA/SEMI-ANILINE 819 CD CHANGER 875 HEATED SCREEN WASH SYSTEM 887 SEPARATE TRUNK LID LOCKING 889 KEYLESS - GO 954 EQUIPMENT PACKAGE FOR AVANTGARDE VEHICLES 986 IDENTIFICATION NUMBER (VIN-NO.) 989 IDENTIFICATION LABEL UNDER WINDSHIELD A22 NEW CONVERTER GENERATION A24 JOINT FLANGE, 4-ARM 120 A49 CONVERTER WITH 3 FRICTION DISKS A52 M - VALVE BODY ASSEMBLY WITH VGS 3 I49 KARMANN COMPANY CONTROL CODE K15 CONTROL CODE FOR SERVICE INTERVAL 15000 KM M273 V8-GASOLINE ENGINE M273 M55 CAPACITY 5,5 LITRE N95 CONTROL CODE BREMEN PLANT NB0 NEW VEHICLE DOCUMENTS: DAIMLER AG U12 FLOOR MATS, VELOURS

You can replace the command unit with an android one or for a cheap solution go with a Bluetooth FM Transmitter.