Mercedes-Benz CLS-Class (W219) four-door luxury coupe of the German automaker Mercedes-Benz 1 generation was produced in 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 with the designation CLS 280, CLS 300, CLS 320 CDI, CLS 350, CLS 500, CL S55, CL S63 AMG. In this material you will find a description of the fuses and relays Mercedes C219 with block diagrams and their locations. Let’s highlight the cigarette lighter fuse.
The purpose of fuses and relays may differ from that shown and depends on the year of manufacture and the level of electrical equipment of the vehicle.
Block under the hood
Under the hood, the main block with fuses and relays is located on the left side, next to the pillar and is covered with a protective cover.
Designation
| 43 | 15A ME control unit (engines 113, 156, 272, 273) |
| CDI system control unit (642 engines) | |
| SAM control unit with rear relay and fuse box | |
| Fuel pump relay (113.990 (CLS 55 AMG)) | |
| Catalytic converter purge relay (113.990 (CLS 55 AMG)) | |
| 44 | 15A CDI Control Unit (642 Engines) (since 2006 model year) |
| 45 | 7.5A AIRmatic control unit with ADS system |
| 46 | 7.5A EGS control unit (5-speed automatic transmission (NAG)) |
| Electrical control module VGS (7-speed automatic transmission) | |
| 47 | 5A ESP control unit |
| 48 | 7.5A Passive safety system control unit |
| 49 | 7.5A Passive safety system control unit |
| Front Passenger Occupant/Child Seat Recognition Sensor (Up to 2006 Model Year) | |
| NECK-PRO Headrest Relay (2006 Model Year) | |
| Front Left Reversible Seat Belt Tensioner (2007 Model Year Onwards) | |
| Front Right Reversible Seat Belt Tensioner (2007 Model Year Onwards) | |
| 50 | 5A VICS Power Circuit Breaker (Japan) |
| 51 | 5A Reserve |
| 52 | 7.5A Outdoor Lighting Rotary Switch |
| Instrument cluster | |
| Glove box light with micro switch | |
| Headlight range control unit (bi-xenon headlights) | |
| 53a | 15A Horn Relay (2007 and later) |
| 53b | 15A Horn Relay |
| 54a | 15A Cigarette Lighter with Illumination (since 2007 model year) |
| The cigarette lighter can be optionally protected via terminal 15R: Isolating relay for disconnectable consumers (up to model year 2006) | |
| 54b | 15A Cigarette Lighter with Illumination (since 2007 model year) |
| The cigarette lighter can be protected via terminal 30: Isolating relay for disconnectable consumers (up to model year 2006) | |
| 55 | 7.5A Power Supply Circuit Breaker Point VICS (Japan) |
| 56 | 40A Windscreen Wiper Motor |
| 57 | 25A CDI system control unit (engine 642) |
| Control unit ME (engines 156, 272, 273) | |
| SAM control unit with rear relay and fuse box (engines 156, 272, 273, 642) | |
| Regeneration Changeover Valve (up to 2006 model year) | |
| O2-Left sensor behind the catalytic converter (engine 113) | |
| O2-Right sensor behind the catalytic converter (engine 113) | |
| Charcoal Canister Shut-Off Valve (USA; pre-2006 model year) | |
| Filter Shut-Off Valve with Carbon Canister (USA; Before 2006 Model Year) | |
| Engine and air conditioning suction fan with integrated regulator (engine 272; up to model year 2006) | |
| 58 | 15A Engines 113, 156, 272, 273: |
| Ignition coil cylinder 1 | |
| Ignition coil cylinder 2 | |
| Ignition coil cylinder 3 | |
| Ignition coil cylinder 4 | |
| Ignition coil cylinder 5 | |
| Ignition coil cylinder 6 | |
| Ignition coil cylinder 7 | |
| Ignition coil cylinder 8 | |
| Audio module noise suppression capacitor (engine 113) | |
| Engine 642; 2006 model year: | |
| Hot-wire air mass flow meter for the left cylinder bank | |
| Hot-wire air mass flow meter for the right cylinder bank | |
| O2 sensor before catalytic converter | |
| 59 | 15A Starter Relay |
| 60 | 10A Oil cooler fan (113.990 (CLS 55 AMG), 156.983 (CLS 63 AMG)) |
| 61 | 40A Electric Air Pump |
| 62 | 30A Backup Relay |
| 63 | 15A Not used |
| 64 | 7.5A Outdoor Lighting Rotary Switch |
| Instrument cluster (up to 2006 model year) | |
| KLA Control Panel (Automatic Climate Control System) | |
| 65 | 20A EZS Control Unit |
| Electric steering lock control unit | |
| 66 | 7.5A Front Right Headlight |
| Front left headlight | |
| Headlight range adjustment module (bi-xenon headlights) | |
| 67 | 10A Brake Light Switch |
| Relay | |
| I | Relay terminal 87, engine |
| K | Electrical circuit relay terminal 87 chassis |
| L | Starter relay |
| M | Backup relay |
| N | Relay terminal 15 |
| THE | Sound signal relay |
| P | Relay terminal 15R |
| R | Air pump relay (except engine 113.990 (CLS 55 AMG) and 156.983 (CLS 63 AMG)) |
| Oil cooler fan relay (engine 113.990 (CLS 55 AMG) and 156.983 (CLS 63 AMG)) | |
| S | AIRMATIC relay (semi-active air suspension) |
Fuse number 54 is responsible for the front cigarette lighter, and the rest of the fuses are located in the blocks in the luggage compartment.
Blocks in the cabin
Block in the instrument panel
At the left end of the instrument panel, behind the protective cover, there is a fuse box.
Photo – example
Purpose
| 21 | 30A Rear Right Door Control Unit |
| 22 | 30A Front Right Door Control Unit |
| 23 | 30A Seat adjustment control unit with memory function, front passenger |
| 24 | 25A KEYLESS-GO control unit, rear module |
| KEYLESS-GO control unit, rear left door | |
| KEYLESS-GO control unit, rear right door | |
| 25 | 25A Autonomous heater protected via cable end sleeve: |
| Heater STH | |
| 5A Additional protection via auxiliary heater switch fuse: | |
| Receiver unit for remote radio control of autonomous heater STH | |
| 26 | 7.5A CD changer |
| 27 | Not used |
| 28 | 15A Audio system |
| 5A Audio module and navigation unit control panel (Audio 50 APS) | |
| Control panel with display of the COMAND system | |
| 29 | 7.5A Electronic Steering Column Module |
| Rotary switch for outdoor lighting | |
| EZS control unit | |
| 30 | 7.5A Diagnostic connector |
| 31 | 5A Upper Control Panel |
| Separating relay for disconnected consumers (up to 2007 model year) | |
| 32 | 30A Rear Left Door Control Unit |
| 33 | 30A Front Left Door Control Unit |
| 34 | 30A Driver’s seat adjustment control unit with memory function |
| 35 | 5A Weight Sensing System (WSS) Control Unit |
| 36 | 25A Seat heating and ventilation control unit |
| SAM Control Unit, Passenger Side (2007 and later) | |
| 37 | 15A AIRmatic control unit with ADS system |
| 38 | 7.5A NECK-PRO Headrest Relay (since 2006 model year) |
| 39 | 5A Lower Control Panel Control Unit |
| 40 | 10A Seat heating and ventilation control unit |
| 41 | 5A Central Interface Control Unit |
| 42 | 7.5A ME Control Unit |
| SAM control unit with relay and fuse module on the driver’s side |
Block under the dashboard
This fuse box is located in the front passenger footwell and requires the trim and protective cover to be removed to access it.
Transcript
| 68 | 200A Additional PTC heater (since 1.6.06) |
| 69 | 150A Not used |
| 70 | 150A Additional Battery Relay (up to 31.5.06) |
| 71 | 150A Engine and air conditioning suction fan with integrated regulator |
| 72 | 50A Hydraulic block SBC (up to 31.5.06) |
| ESP control unit (since 1.6.06) | |
| 73 | 40A Hydraulic block SBC (up to 31.5.06) |
| ESP control unit (since 1.6.06) | |
| 74 | 40A AIRMATIC Relay |
| 75 | 40A SAM Control Unit, Passenger Side |
| 76 | 40A Front right reversible seat belt tensioner (PRE-SAFE) (as of 1.6.06) |
| 77 | 40A Heating Air Recirculation Unit |
Blocks in the trunk
Block behind the interior trim
On the left side of the luggage compartment, behind the trim, there is a block with fuses and relays.
Description
| 1 | 30A Switch for partially electric seat adjustment, front passenger side |
| Partially electric seat adjustment switch, driver’s side (2007 model year onwards) | |
| Driver’s seat adjustment control unit with memory function | |
| 2 | 30A Switch for partially electric seat adjustment, driver side |
| Partially electric seat adjustment switch, front passenger side (2007 model year onwards) | |
| Seat adjustment control unit with memory function, front passenger | |
| 3 | 7.5A RDK control unit (tire pressure monitoring system) |
| PTS control unit (parking system) | |
| TV tuner | |
| Navigation processor | |
| 4 | 20A Fuel pump (except engine 156.983 (CLS 55 AMG) and 272.985) |
| 7.5A Intercooler circulation pump (113.990 (CLS 55 AMG)) | |
| 5 | Backup relay 2 |
| 6 | 40A Audio Interface Control Unit |
| 7 | 15A Rear Wiper Relay (2007 and later) |
| 8 | 7.5A Antenna Amplifier Module Left |
| Tilt sensor EDW | |
| Alarm siren | |
| Alarm siren with additional battery (since 2007 model year) | |
| 9 | 25A Ceiling Control Panel |
| 10 | 40A Rear window heating |
| 11 | 20A Not used |
| 12 | 15A Socket in the Luggage Compartment (USA) |
| 13 | 15A Socket in the cabin |
| 14 | 5A Not used |
| 15 | 10A Electric central locking drive fuel tank cap |
| 16 | 20A Seat heating and ventilation control unit |
| 17 | 20A Not used |
| 18 | 20A Not used |
| 19 | 20A Multi-contour seat air pump |
| 20 | 7.5A Rear Window Curtain Relay |
| Relay | |
| A | Fuel pump relay (except engine 113.990 (CLS 55 AMG), 156.983 (CLS 63 AMG), 272.985) |
| Relay for charge air cooler circulation pump (only for engine 113.990 (CLS 55) | |
| AMG)) | |
| B | Relay 2, terminal 15R |
| C | Backup relay 2 |
| D | Reserve |
| AND | Rear window heating relay |
| F | Relay 1, terminal 15R |
| G | Fuel Cap Relay Polarity Reversal 1 |
| H | Fuel Cap Relay Polarity Reversal 2 |
Block near the battery
Another high-power fuse block is installed next to the battery.
Designation
| 78 | 200A SAM Control Unit with Driver Side Fuse Relay Module |
| 79 | 200A SAM Control Unit with Rear Relay and Fuse Box |
| 80 | 150A SAM Control Unit with Driver Side Fuse Relay Module |
| 81 | 150A Passenger Compartment Fuse Box |
| 82 | 150A CLS 55 AMG, CLS 63 AMG: |
| Fuel pump fuse | |
| Catalytic converter purge fuse | |
| 82A | 30A Left fuel pump control unit |
| Right fuel pump control unit | |
| 82B | 40A Catalytic Converter Purge Relay |
| 83 | 30A Not used |
| 84 | 5A Battery Control Module (up to 2007 model year) |
| Battery sensor (since 2007 model year) | |
| 85 | 5A UHI (Universal Mobile Interface) Control Unit |
| GPS module control unit (Japan) | |
| Microphone group control unit (Japan) | |
| Voice Broadcast System (SBS) Control Unit | |
| Phone Compensator, Data (US; 2007 model year onwards) | |
| GSM 1800 Antenna Compensator (USA; since 2007 model year) | |
| 86 | 5A SDAR Control Unit (up to 2007 model year) |
| 87 | 30A Pneumatic pump for dynamic seat adjustment |
| 88 | 30A HDS Control Unit (Remote Open/Close Trunk Lid) |
| 89 | 40A Not used |
| 90 | 40A Front left reversible seat belt tensioner (PRE-SAFE) (from model year 2007) |
| 91 | 30A Fuel pump control unit (engine 272.985; from model year 2007) |