Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2005 Mercedes Benz SLK55FACTORY OEM SERVICE PROCEDURE
Overall network (GVN) system component summary, location/task/design/function - GF00.19-P-9999SK
MODEL 171.4
| Instrument cluster (IC), location / task | A1 | GF54.30-P-3039SK |
| Radio control panel, location/task/design/function | A2 With code (523) MB Audio 20 radio |
GF82.60-P-3115SK |
| With code (494) USA version | GF82.60-P-3115SKV | |
| CD player with changer, location/task/design/ function | A2/6 With code (819) 6-disk CD changer up to 31.5.05 |
GF82.64-P-3113SK |
| With code (819) 6-disk CD changer as of 1.6.05 | GF82.64-P-3113SKA | |
| Radio and navigation unit, location/task/design/function | A2/56 With code (525) MB Audio 50 APS radio |
GF82.61-P-4109SK |
| Hands-free system control unit location/task | A35/1 With code (498) Japan version |
GF82.70-P-4115SKJ |
| Operating-display unit with control unit, location/task/design/function | A40/3 With code (527) COMAND APS with single DVD drive (with navigation system) |
GF82.85-P-3114SK |
| With code (498) Japan version | GF82.85-P-3114SKJ | |
| With code (530) COMAND APS USA (with navigation system) | GF82.85-P-3114SKU | |
| Supplemental restraint systems control unit, location/task/design | N2/7 | GF91.60-P-4018SK |
| ME-SFI [ME] control unit, component description | N3/10 Engine 271: |
GF07.61-P-6000KE |
| On Engine 113 | GF07.61-P-6000SM | |
| On Engine 272 | GF07.61-P-6000V | |
| Driver-side SAM control unit with fuse and relay module, location/task/design | N10/1 | GF54.21-P-4109SK |
| Rear SAM control unit with fuse and relay module, location/task | N10/2 | GF54.21-P-4130SK |
| ETC control unit, location/task | N15/3 With TRANSMISSION 722.6 |
GF27.19-P-4012G |
| Electronic selector lever module control unit, location/task/design | N15/5 With TRANSMISSION 722.6 |
GF27.19-P-5138SK |
| Electronic selector lever module control unit, location/task | N15/5 With transmission 722.9 |
GF27.19-P-5140NK |
| Heating pushbutton control unit, location/task | N18 Without code (580) Automatic air conditioning and without code (581) Comfort automatic air conditioning |
GF83.20-P-2120SK |
| Control and operating unit for automatic air conditioning, location/task | N22 With code (580) Automatic air conditioning |
GF83.40-P-2180SK |
| Comfort automatic air conditioning control and operating unit, location/task | N22/7 with code (581) Comfort automatic air conditioning |
GF83.40-P-2181SK |
| Heated seats/head area ventilation/steering wheel heater control unit, location/task | N25/7 With code (403) Airscarf system or with code (443) Steering wheel heater or with CODE (873) Seat heater left and right front seats |
GF91.30-P-3008SK |
| Left front seat adjustment control unit with memory location/task | N32/1 With code (275) Memory package (driver seat, steering column, mirrors) or with code (242) Electrically adjustable front passenger seat with memory |
GF91.29-P-2106SK |
| Right front seat adjustment control unit, with memory location/task | N32/2 With code (242) Electrically adjustable front passenger seat with memory |
GF91.29-P-2107SK |
| Navigation processor, location/task/design/function | N41/1 With code (527) COMAND APS with single DVD drive (with navigation system) or With code (530) COMAND APS USA (with navigation system) |
GF82.85-P-3103SK |
| GPS control unit, location/task/design | N41/6 With code (498) Japan version |
GF82.62-P-4111SKJ |
| ESP/BAS control unit, location/task | N47-5 | GF42.45-P-4501SK |
| Vario roof control unit, location/task | N52 | GF77.39-P-3310SK |
| PTS control unit, location/task | N62 With code (220) Parktronic system (PTS) |
GF54.65-P-4100SK |
| Left door control unit, location/task | N69/1 | GF72.29-P-4122SK |
| Right door control unit, location/task | N69/2 | GF72.29-P-4123SK |
| Overhead control panel control unit, location/task/design | N70 | GF82.20-P-4110SK |
| Headlamp leveling system control unit, location/task/design/function | N71 With code (614) Bi-xenon headlamp unit |
GF82.10-P-2102SKX |
| Upper control panel control unit, location / task / design / function | N72/1 | GF54.21-P-4105SK |
| Electronic ignition switch control unit, location/task | N73 | GF80.57-P-4120SK |
| Steering column module, location/task | N80 | GF54.21-P-4125SK |
| Satellite radio, location/task | N87/5 With code (494) USA version up to 31.5.05 |
GF82.85-P-3113SKU |
| With code (536) SIRIUS satellite radio as of 1.6.05 | GF82.85-P-3113SKA | |
| Central gateway control unit, location/task | N93 | GF00.19-P-4100SK |
| Audio gateway control unit, location/task/ design/function | N93/1 With code (498) Japan version or with code (525) MB Audio 50 APS radio or with code (527) COMAND APS with single DVD drive (with navigation) or With code (530) COMAND APS USA (with navigation system) |
GF82.62-P-3102SK |
| Universal Portable CTEL Interface (UPCI [UHI]) control unit, location/task | N123/1 With code (494) USA version or with code (386) Preinstallation for telephone "Handy", UPCI system or with code (388) Telephone "Handy", UPCI system |
GF82.70-P-5100SK |
| TELE AID control unit/task/design/function | N123/4 With code (359) TELE AID emergency call system |
GF82.95-P-4100SKU |
| VGS control unit, location/task | Y3/8n4 With transmission 722.9 |
GF27.19-P-4013N |
| Overall network (GVN) function description table of contents | GF00.19-P-0999SK |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.