Mercedes-Benz R500 2006 - 2006 MERCEDES-BENZ R350 & R500

Mercedes-Benz R500 2006 - BUZZERS, RELAYS & TIMERS

Mercedes-Benz R500 2006 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
Circuit R Relay (15R) (H)	In load compartment fuse & relay box. See Fig. 2.
Circuit 15 Relay (Terminal 87FW) (N)	In load compartment fuse & relay box. See Fig. 2.
Circuit 15R Relay (K)	In load compartment fuse & relay box. See Fig. 2.
Circuit 30 Relay (Trailer) (U)	In load compartment fuse & relay box. See Fig. 2.
Circuit 30 Relay (2nd Seat Row & Load Compartment) (T)	In load compartment fuse & relay box. See Fig. 2.
Driver Seat Adjustment Comfort Relay	Under driver's seat. See Fig. 73.
Front Passenger Seat Adjustment Comfort Relay	Under front passenger's seat. See Fig. 74.
Fuel Pump Relay (O)	In load compartment fuse & relay box. See Fig. 2.
Heated Rear Window Relay (M)	In load compartment fuse & relay box. See Fig. 2.
Rear-End Door Closing Warning Buzzer	Left side of tailgate. See Fig. 72.
Rear Wiper Relay (P)	In load compartment fuse & relay box. See Fig. 2.
Terminal 30X Relay (L)	In load compartment fuse & relay box. See Fig. 2.

Mercedes-Benz R500 2006 - CIRCUIT PROTECTION DEVICES

Mercedes-Benz R500 2006 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Battery Compartment Prefuse Box (F33)	Under right rear footwell. See Fig. 1.
Cockpit Fuse Box (F3)	Behind right end of dash. See Fig. 1.
Engine Compartment Fuse & Relay Box (F58)	Right side of engine compartment. See Fig. 1.
Front Prefuse (F32)	Right rear of engine compartment. See Fig. 1.
Load Compartment Fuse & Relay Box (F4)	Right rear of cargo area. See Fig. 1.

Mercedes-Benz R500 2006 - CONTROL UNITS

Mercedes-Benz R500 2006 CONTROL UNITS LOCATION

Component	Location
AIRmatic W/ADS Control Module	In right front footwell. See Fig. 125.
Blower Regulator	On blower motor. See Fig. 21.
Booster Blower Electronic Blower Controller	On blower motor. See Fig. 121.
CDI Control Module	Left front of engine compartment. See Fig. 115.
Central Gateway Control Module	In left front footwell. See Fig. 131.
DTR Control Unit	Behind front grille. See Fig. 28.
Emergency Call System Control Unit	In left rear footwell. See Fig. 135.
ESP Control Module	Right front corner of engine compartment. See Fig. 124.
Front Door Control Module (Left/Right)	In respective front door.
Front SAM Control Unit	Under front passenger's seat. See Fig. 118.
Front Seat Adjustment Control Module With Memory (Driver/Front Passenger)	Under respective front seat. See Fig. 123.
Front Seat Ventilation Blower Regulator (Driver/Front Passenger)	In respect front seat back.
Fully Integrated Transmission Control (VGS) Control Unit (Y3/8n4)	Part of electric control unit (VGS). See Fig. 181.
Headlight Range Adjustment Control Module	In right front footwell. See Fig. 128.
HRA (LWR) Power Module (Left/Right)	Bottom of respective headlight assembly. See Fig. 71.
HS (SIH), Seat Ventilation & Steering Wheel Heater Control Unit	Under left seat of 2nd seat row. See Fig. 120.
Intelligent Servo Module (DIRECT SELECT)	Left rear of transmission housing. See Fig. 27.
Keyless Go Control Module	Right rear of cargo area. See Fig. 127.
ME-SFI (ME) Control Module (3.5L)	Top center of engine. See Fig. 116.
ME-SFI (ME) Control Module (5.0L)	In right front footwell. See Fig. 117.
Multifunction Steering Wheel Electronics Unit	Inside steering wheel. See Fig. 25.
PTS Control Module	Under driver's seat. See Fig. 126.
Rear A/C Blower Regulator	On rear blower motor. See Fig. 122.
Rear Axle Level Control System Control Module	In right front footwell. See Fig. 132.
Rear-End Door Closing Control Module	Left rear corner of cargo area. See Fig. 133.
Rear SAM Control Module	Right rear of cargo area. See Fig. 119.
Restraints System Control Module	Under front of center console. See Fig. 113.
SDAR Control Unit	In right rear footwell. See Fig. 129.
Steering Column Module	Top of steering column.
TPM Control Module	Right rear of cargo area. See Fig. 130.
Traction System Hydraulic Unit	Left front of engine compartment. See Fig. 13.
Universal Portable CTEL Interface (UPCI (UHI)) Control Module	Under right seat of 2nd seat row. See Fig. 134.
WSS Control Unit (Weight Sensing System)	Under front passenger's seat. See Fig. 114.
Xenon Headlight Ignition Module (Left/Right)	Under respective headlight assembly. See Fig. 70.

Mercedes-Benz R500 2006 - MOTORS

Mercedes-Benz R500 2006 MOTORS LOCATION

Component	Location
Actuator Motor (M16/6m1)	Integral to throttle valve actuator. See Fig. 95.
Air Compressor Motor	Integral to AIRmatic compressor. See Fig. 15.
AIRmatic Compressor Unit	Behind right side of front bumper. See Fig. 15.
Air Pump (3.5L)	Front of engine. See Fig. 110.
Air Pump (5.0L)	Front of engine. See Fig. 111.
Backrest Angle Adjustment Motor (Driver/Front Passenger)	In respective front seat back. See Fig. 109.
Blower Motor	Under right side of dash. See Fig. 21.
Booster Blower Motor	Under rear of center console. See Fig. 76.
Coolant Circulation Pump	Right front of engine compartment. See Fig. 92.
Coolant Shutoff Motor	Left side of cargo area. See Fig. 99.
Diverter Flap Actuator Motor	Center front of fresh air housing. See Fig. 98.
Door CL Motor (4)	Rear of respective doors. See Fig. 94.
Dynamic Cornering Lamp Motor (Left/Right)	Inside rear of respective headlight assembly.
Electric Suction Fan Engine & AC With Integrated Control	Behind radiator.
Fresh Air/Air Recirculation Flaps Actuator Motor	Left side of fresh air housing. See Fig. 77.
Front Reversible Emergency Tensioning Retractor (Left/Right)	Base of respective "B" pillar. See Fig. 26.
Front Seat Backrest Ventilation Motor Group (Left/Right)	In respective front seat back.
Front Seat Cushion Ventilation Motor Group (Left/Right)	In respective front seat cushion.
Front Seat Height Adjustment Motor (Driver/Front Passenger)	Under respective front seat. See Fig. 107.
Fuel Filler Flap CL Motor	Behind fuel filler flap.
Fuel Pump (M3)	In right side of fuel tank. See Fig. 31.
HCS Pump (M5/2)	On washer fluid reservoir. See Fig. 88.
Headlight Range Adjustment Motor (Left/Right)	Inside rear of respective headlight assembly. See Fig. 69.
Head Restraint Motor (Driver/Front Passenger)	In respective front seat back. See Fig. 108.
High Pressure & Return Pump	Inside hydraulic unit. See Fig. 13.
Left Blending Air Flap Actuator	Left side of A/C unit. See Fig. 78.
Left Center Air Flap Actuator Motor	Left side of A/C unit. See Fig. 96.
Left Defroster Vent Flap Actuator Motor	Left side of fresh air housing. See Fig. 80.
Left Dynamic Cornering Lamp Motor	Part of left front headlight unit.
Left Footwell Flap Actuator Motor	Left side of A/C unit. See Fig. 82.
Left Fuel Pump	In right side of fuel tank, next to (M3) fuel pump. See Fig. 31.
Mirror Fold-In Motor (Left/Right)	Integral to respective rearview mirror.
Mirror In/Out Adjustment Motor (Left/Right)	Integral to respective rearview mirror.
Mirror Up/Down Adjustment Motor (Left/Right)	Integral to respective rearview mirror.
Panoramic Sliding Roof Drive Unit 1	Center front of roof. See Fig. 90.
Panoramic Sliding Roof Drive Unit 2	Left front of roof. See Fig. 91.
Power Window Motor (4)	Center of respective front/rear doors.
Rear AC Additional Circulation Pump	Right front of engine compartment. See Fig. 93.
Rear Air Conditioning Blower Motor	On rear A/C unit. See Fig. 86.
Rear Air Conditioning Refrigerant Shutoff Motor	Left side of cargo area. See Fig. 100.
Rear Air Distribution Flap Actuator Motor	On booster blower unit. See Fig. 85.
Rear Door Hydraulic Pump	Left rear of cargo area. See Fig. 112.
Rear Seat Height Adjustment Motor (Driver/Front Passenger)	Under respective front seat. See Fig. 106.
Rear Shutoff Flap Actuator Motor	Lower right side of A/C unit. See Fig. 84.
Right Blending Air Flap Actuator	Right side of A/C unit. See Fig. 79.
Right Center Air Flap Actuator Motor (M16/24)	Right side of A/C unit. See Fig. 97.
Right Defroster Vent Flap Actuator Motor	Right side of fresh air housing. See Fig. 81.
Right Footwell Flap Actuator Motor	Right side of fresh air housing. See Fig. 83.
Roller Sun Blind Drive Unit	Right front of roof. See Fig. 89.
Seat Fore/Aft Adjustment Motor (Driver/Front Passenger)	Under respective front seat. See Fig. 105.
Sliding Roof Motor	Integral to tilting/sliding roof drive unit.
Steering Column Forward/Back Motor	On steering column. See Fig. 103.
Steering Column Raise/Lower Motor	On steering column. See Fig. 104.
Tailgate Wiper Motor	Center of tailgate.
Throttle Valve Actuator	On throttle body. See Fig. 95.
Tilting/Sliding Roof (SR (SHD)) Drive Unit	Front center of roof.
Vent Window Motor (Left/Right)	In respective "D" pillar.
Windshield Washer Fluid Pump	On washer fluid reservoir. See Fig. 87.
Wiper Motor	Left rear of engine compartment.
3rd Seat Row Air Distribution Actuator Motor	Left rear of cargo area. See Fig. 101.
3rd Seat Row Blending Air Flap Actuator Motor	Left rear of cargo area. See Fig. 102.

Mercedes-Benz R500 2006 - SENDING UNITS & SENSORS

Mercedes-Benz R500 2006 SENDING UNITS & SENSORS LOCATION

Component	Location
Accelerator Pedal Sensor	At top of accelerator pedal.
AIRmatic Pressure Sensor	Integral to AIRmatic valve unit. See Fig. 191.
Ambient Temperature Display Temperature Sensor	Behind left side of front bumper.
BAS Diaphragm Travel Sensor	Integral to BAS brake booster. See Fig. 14.
Brake Pad Contact Sensor (Right Front/Rear)	On respective brake assembly.
Camshaft Hall Sensor (5.0L)	Front of right cylinder bank. See Fig. 32.
Center Rear Interior Temperature Sensor	Under rear of center console. See Fig. 38.
Coolant Temperature Sensor (3.5L)	Left rear of engine. See Fig. 46.
Coolant Temperature Sensor (5.0L)	Right front of engine. See Fig. 47.
Crankshaft Hall Sensor	Rear of left cylinder bank. See Fig. 67.
Crankshaft Position Sensor (5.0L)	Rear of left cylinder bank. See Fig. 75.
Dew Point Sensor	Under right side of dash, near blower motor. See Fig. 48.
Dual Sun Sensor	Top center of dash.
Emissions Sensor	Right rear corner of engine compartment. See Fig. 61.
ESP Brake Pressure Sensor	On brake master cylinder. See Fig. 62.
Evaporator Temperature Sensor	Left front upper footwell. See Fig. 37.
Footwell Rear A/C Temperature Sensor	Left rear of cargo area. See Fig. 45.
Frontal Acceleration Sensor (Driver/Passenger Side)	At respective front corner of engine compartment. See Fig. 64.
Front Body Lateral Acceleration Sensor (Left/Right)	Top of respective front shock tower. See Fig. 53.
Front Level Sensor (Left/Right)	In respective front wheelwell. See Fig. 52.
Fuel Tank Pressure Sensor	In fuel tank.
Hall Sensor 1 (Sliding Roof)	Integral to tilting/sliding roof drive unit.
Hall Sensor 2 (Sliding Roof)	Integral to tilting/sliding roof drive unit.
Heater Coil Temperature Sensor (Heated Steering Wheel)	In steering wheel.
Hot Film MAF Sensor (3.5L)	Center rear of engine. See Fig. 29.
Hot Film MAF Sensor (5.0L)	Center rear of engine. See Fig. 30.
Inner Left Front PTS Ultrasonic Sensor	Left center of front bumper.
Inner Left Rear PTS Ultrasonic Sensor	Left side of rear bumper.
Inner Right Front PTS Ultrasonic Sensor	Right center of front bumper.
Inner Right Rear PTS Ultrasonic Sensor	Right side of rear bumper.
Intake Manifold Tumble Flap Position Sensor (Left/Right)	At rear of intake manifold (left shown). See Fig. 60.
Internal Speed Sensor (VGS) (Y3/8n2)	Part of electric control unit (VGS). See Fig. 181.
Left Center Outlet Temperature Sensor	Behind left center of dash. See Fig. 41.
Left Exhaust Camshaft Hall Sensor	Left front of engine. See Fig. 35.
Left Footwell Temperature Sensor	In left front upper footwell. See Fig. 42.
Left Fuel Level Sensor (B4/1)	In left side of fuel tank. See Fig. 31.
Left Intake Camshaft Hall Sensor	Left front of engine. See Fig. 33.
Left Knock Sensor 2 (3.5L)	Under intake manifold. See Fig. 18.
Left Knock Sensor 2 (5.0L)	Under intake manifold. See Fig. 19.
Left O2 Sensor Downstream TWC (KAT)	In left exhaust, downstream of 3-way catalytic converter.
Left O2 Sensor Upstream TWC (KAT)	In left exhaust, upstream of 3-way catalytic converter.
Left Side Outlet Temperature Sensor	In left side dash air outlet. See Fig. 40.
Micromechanical Turn Rate Sensor AY Pickup	On floor, under front passenger's seat. See Fig. 55.
Oil Sensor (Oil Level, Temperature & Quality)	On engine oil pan. See Fig. 63.
Outer Left Front PTS Ultrasonic Sensor	Left corner of front bumper.
Outer Left Rear PTS Ultrasonic Sensor	Left corner of rear bumper.
Outer Right Front PTS Ultrasonic Sensor	Right corner of front bumper.
Outer Right Rear PTS Ultrasonic Sensor	Right corner of rear bumper.
Output Speed Sensor (VGS) (Y3/8n3)	Part of electric control unit (VGS). See Fig. 181.
Pressure Differential Sensor (DPF)	On rear of differential. See Fig. 59.
Pressure Sensor (3.5L)	Top left front of engine. See Fig. 57.
Pressure Sensor (5.0L)	Right front of engine. See Fig. 58.
Rail Pressure Sensor	Rear of right fuel rail.
Rain/Light Sensor	Center front of roof.
Rear Air Conditioning Evaporator Temperature Sensor	On rear HVAC unit. See Fig. 39.
Rear-End Door Closing Obstruction Sensor Strip (Left/Right)	In respective "D" pillar.
Rear Headroom A/C Temperature Sensor	Right side of cargo area. See Fig. 44.
Rear Level Sensor (Left/Right)	In respective rear wheelwell. See Fig. 51.
Refrigerant Pressure Sensor	Left front of engine compartment. See Fig. 49.
Right Center Outlet Temperature Sensor	Behind right center of dash. See Fig. 41.
Right Exhaust Camshaft Hall Sensor	Right front of engine. See Fig. 36.
Right Footwell Temperature Sensor	In right front upper footwell. See Fig. 43.
Right Fuel Level Sensor (B4/2)	In right side of fuel tank. See Fig. 31.
Right Intake Camshaft Hall Sensor	Right front of engine. See Fig. 34.
Right Knock Sensor 1 (3.5L)	Under intake manifold. See Fig. 16.
Right Knock Sensor 1 (5.0L)	Under intake manifold. See Fig. 17.
Right O2 Sensor Downstream TWC (KAT)	In right exhaust, downstream of 3-way catalytic converter.
Right O2 Sensor Upstream TWC (KAT)	In right exhaust, upstream of 3-way catalytic converter.
Right Rear Body Lateral Acceleration Sensor	At right side of cargo area. See Fig. 54.
Right Side Outlet Temperature Sensor	In right side dash air outlet. See Fig. 40.
Selection Range Sensor (VGS) (Y3/8s1)	Part of electric control unit (VGS). See Fig. 181.
Side Airbag Sensor (Left/Right)	Base of respective "B" pillar. See Fig. 22.
Steering Angle Sensor	Part of steering column module.
Sun Sensor	Top center of dash.
TPM (RDK) Wheel Sensor (4)	Inside wheels. See Fig. 23.
Transmission Oil Temperature Sensor (VGS) (Y3/8s2)	Part of electric control unit (VGS). See Fig. 181.
Turbine Speed Sensor (VGS) (Y3/8n1)	Part of electric control unit (VGS). See Fig. 181.
TWC (KAT) Temperature Sensor	On 3-way catalytic converter. See Fig. 50.
Vent Window Obstruction Sensor Strip (Left/Right)	In respective vent window frame.
Wheel Speed Sensors (4)	On respective wheel hub assemblies.
WSS Sensor (Weight Sensing System) (Left/Right Front)	Under respective front corner of front passenger's seat. See Fig. 65.
WSS Sensor (Weight Sensing System) (Left/Right Rear)	Under respective rear corner of front passenger's seat. See Fig. 66.

Mercedes-Benz R500 2006 - SOLENOIDS & SOLENOID VALVES

Mercedes-Benz R500 2006 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/C Compressor	Lower left front of engine.
Activated Charcoal Filter Shutoff Valve	In right rear wheelwell. See Fig. 200.
AIRmatic Central Reservoir Charge Valve	Integral to AIRmatic valve unit. See Fig. 191.
AIRmatic Pressure Reduction Valve	Integral to AIRmatic compressor unit. See Fig. 15.
AIRmatic Valve Unit	Front of right front wheelwell. See Fig. 191.
Air Pump Switchover Valve (5.0L)	Right front of engine. See Fig. 190.
Automatic Rear-End Door Closing Control Valve	Left rear of cargo area. See Fig. 203.
BAS Solenoid Valve	Integral to BAS brake booster. See Fig. 14.
B1 Brake Control Solenoid Valve (VGS) (Y3/8y5)	Part of electric control unit (VGS). See Fig. 181.
B2 Brake Control Solenoid Valve (VGS) (Y3/8y6)	Part of electric control unit (VGS). See Fig. 181.
B3 Brake Control Solenoid Valve (VGS) (Y3/8y7)	Part of electric control unit (VGS). See Fig. 181.
Front Axle Damping Valve Unit (Left/Right)	In respective front wheelwell. See Fig. 197.
Front Axle Inlet Solenoid Valve	Inside hydraulic unit. See Fig. 13.
Front Axle Switchover Solenoid Valve	Inside hydraulic unit. See Fig. 13.
Fuel Injectors Cylinder 1 - 3 (Y62y1 - Y62y3) (3.5L)	Top of right cylinder bank. See Fig. 201.
Fuel Injectors Cylinder 1 - 3 (Y62y1 - Y62y4) (5.0L)	Top of right cylinder bank. See Fig. 202.
Fuel Injectors Cylinder 4 - 6 (Y62y4 - Y62y6) (3.5L)	Top of left cylinder bank. See Fig. 201.
Fuel Injectors Cylinder 5 - 8 (Y62y5 - Y62y8) (5.0L)	Top of left cylinder bank. See Fig. 202.
Heating System Shutoff Valve (3.5L)	Rear of engine. See Fig. 184.
High Beam Solenoid (Left/Right)	Integral to respective headlight assemblies. See Fig. 68.
Intake Manifold Tumble Flap Switchover Valve	On front of intake manifold. See Fig. 187.
K1 Clutch Control Solenoid Valve (VGS) (Y3/8y2)	Part of electric control unit (VGS). See Fig. 181.
K2 Clutch Control Solenoid Valve (VGS) (Y3/8y3)	Part of electric control unit (VGS). See Fig. 181.
K3 Clutch Control Solenoid Valve (VGS) (Y3/8y4)	Part of electric control unit (VGS). See Fig. 181.
Left Camshaft Exhaust Solenoid (3.5L)	Front of left cylinder bank. See Fig. 195.
Left Camshaft Intake Solenoid (3.5L)	Front of left cylinder bank. See Fig. 193.
Left Front Axle Solenoid Valve (Hold)	Inside hydraulic unit. See Fig. 13.
Left Front Axle Solenoid Valve (Release)	Inside hydraulic unit. See Fig. 13.
Left Front Level Control Valve	Integral to AIRmatic valve unit. See Fig. 191.
Left Front Solenoid Valves 1 & 2 (Y51y1, Y51y2)	Integral to left front axle damping valve unit. See Fig. 197.
Left Rear Axle Solenoid Valve (Hold)	Inside hydraulic unit. See Fig. 13.
Left Rear Axle Solenoid Valve (Release)	Inside hydraulic unit. See Fig. 13.
Left Rear Solenoid Valves 1 & 2 (Y53y1, Y53y2)	Integral to left rear axle damping valve unit. See Fig. 198.
NECK-PRO Head Restraint Solenoid (Driver/Front Passenger)	Top or respective front seat back. See Fig. 188.
Power Steering Pump Pressure Regulator Valve	On power steering pump. See Fig. 183.
Purge Control Valve	Left front of engine compartment. See Fig. 199.
Rear Axle Damping Valve Unit (Left/Right)	In respective rear wheelwell. See Fig. 198.
Rear Axle Inlet Solenoid Valve	Inside hydraulic unit. See Fig. 13.
Rear Axle Level Control Electric Valve Unit (Y36/8)	In right front wheelwell, near AIRmatic compressor unit (A9/1). See Fig. 192.
Rear Axle Switchover Solenoid Valve	Inside hydraulic unit. See Fig. 13.
Right Camshaft Exhaust Solenoid (3.5L)	Front of right cylinder bank. See Fig. 196.
Right Camshaft Intake Solenoid (3.5L)	Front of right cylinder bank. See Fig. 194.
Right Front Axle Solenoid Valve (Hold)	Inside hydraulic unit. See Fig. 13.
Right Front Axle Solenoid Valve (Release)	Inside hydraulic unit. See Fig. 13.
Right Front Level Control Valve	Integral to AIRmatic valve unit. See Fig. 191.
Right Front Solenoid Valves 1 & 2 (Y52y1, Y52y2)	Integral to right front axle damping valve unit. See Fig. 197.
Right Rear Axle Solenoid Valve (Hold)	Inside hydraulic unit. See Fig. 13.
Right Rear Axle Solenoid Valve (Release)	Inside hydraulic unit. See Fig. 13.
Right Rear Level Control Valve	Integral to AIRmatic valve unit. See Fig. 191.
Right Rear Solenoid Valves 1 & 2 (Y54y1, Y54y2)	Integral to right rear axle damping valve unit. See Fig. 198.
SPS (PML) Solenoid Valve	In left front wheelwell. See Fig. 182.
Torque Converter Lockup Clutch Control Solenoid Valve (VGS) (Y3/8y8)	Part of electric control unit (VGS). See Fig. 181.
Variable Intake Manifold Switchover Valve (3.5L)	On front of intake manifold. See Fig. 185.
Variable Intake Manifold Switchover Valve (5.0L)	Front of intake manifold. See Fig. 186.
Working Pressure Control Solenoid Valve (VGS) (Y3/8y1)	Part of electric control unit (VGS). See Fig. 181.

Mercedes-Benz R500 2006 - SWITCHES

Mercedes-Benz R500 2006 SWITCHES LOCATION

Component	Location
ATA (EDW) Hood Switch	Right front of engine compartment. See Fig. 153.
BAS Release Switch	Integral to BAS brake booster. See Fig. 14.
Brake Fluid Indicator Switch	On brake fluid reservoir. See Fig. 147.
Coolant Level Indicator Switch	On engine coolant reservoir. See Fig. 149.
Door Rotary Tumbler Microswitch (4)	Integral to respective door CL motors. See Fig. 94.
Oil Level Switch (3.5L)	Left rear of oil pan. See Fig. 151.
Oil Level Switch (3.5L W/4matic)	Right front of oil pan. See Fig. 152.
Parking Brake Indicator Switch	Top of parking bake assembly. See Fig. 148.
Seat Belt Buckle & Seat Belt Warning Switch (Driver/Front Passenger)	In respective seat belt buckle.
Windshield Washer Fluid Level Indicator Switch	In washer fluid reservoir. See Fig. 150.

Mercedes-Benz R500 2006 - MISCELLANEOUS

Mercedes-Benz R500 2006 MISCELLANEOUS LOCATION

Component	Location
Actual Value Potentiometer (Sliding Contact 1) (M16/6r3)	Integral to throttle valve actuator. See Fig. 95.
Actual Value Potentiometer (Sliding Contact 2) (M16/6r4)	Integral to throttle valve actuator. See Fig. 95.
Alarm Signal Horn	Left rear corner of engine compartment.
Auxiliary Battery	Right front footwell.
BAS Brake Booster	Left rear of engine compartment. See Fig. 14.
Battery	Under right front seat.
Belt Force Limiter (Driver/Front Passenger)	Base of respective "B" pillar. See Fig. 144.
Central TPM (RDK) Antenna	Under center rear of vehicle. See Fig. 12.
Cockpit Keyless Go Antenna	Under front of center console. See Fig. 9.
Cylinder 1 - 3 Ignition Coils (T1/1 (Noted) - T1/3) (3.5L)	Top of right cylinder bank. See Fig. 154.
Cylinder 1 - 4 Ignition Coils (T1/1 (Noted) - T1/4) (5.0L)	Top of right cylinder bank. See Fig. 155.
Cylinder 4 - 6 Ignition Coils (T1/4 (Noted) - T1/6) (3.5L)	Top of left cylinder bank. See Fig. 156.
Cylinder 5 - 8 Ignition Coils (T1/5 (Noted) - T1/8) (5.0L)	Top of left cylinder bank. See Fig. 157.
Data Link Connector	Below left side of dash. See Fig. 204.
Drive Actual Value Potentiometer (M16/6r2)	Integral to throttle valve actuator. See Fig. 95.
Driver Airbag Ignition Squib 1	In steering wheel. See Fig. 139.
Driver Airbag Ignition Squib 2	In steering wheel. See Fig. 140.
EGR (ARF) Vacuum Transducer	Rear of engine. See Fig. 189.
Electronic Compass	Behind instrument cluster. See Fig. 56.
E-Net Compensator	In spare tire well. See Fig. 20.
Fanfare Horns (Left/Right)	Behind center of front grille.
FM Rear Window Antenna Amplifier	Left side of tailgate. See Fig. 4.
Front Passenger Airbag Ignition Squib 1	Behind right side of dash. See Fig. 141.
Front Passenger Airbag Ignition Squib 2	Behind right side of dash. See Fig. 142.
Garage Door Opener Transmitter Unit	Integral to interior rearview mirror unit.
GPS Antenna Splitter	Left rear footwell. See Fig. 3.
Hands-Free System Microphone Group	Integral to interior rearview mirror unit.
Heater Booster (R22/3)	Under front of center console. See Fig. 146.
Heater Coil (Heated Steering Wheel)	Inside steering wheel.
Interference Filter 1	Top center of tailgate.
Interior Keyless Go Antenna	Under center of rear seats. See Fig. 10.
Keyless Go Rear Door Antenna (Left/Right)	In respective rear door. See Fig. 6.
Keyless Go Trunk Antenna	Left side of tailgate. See Fig. 5.
Radio Interference Suppression Capacitor 1 (3.5L)	Top right side of engine.
Radio Interference Suppression Capacitor 1 (5.0L)	Top front of engine.
Radio Interference Suppression Capacitor 2 (3.5L)	Top left side of engine.
Radio Interference Suppression Capacitor 2 (5.0L)	Top left side of engine.
Rear TPM [RDK] Wheel Antenna (Left/Right)	Front of respective rear wheelwell. See Fig. 7.
Roof Antenna Module	Center rear of roof. See Fig. 11.
Seat Belt Buckle ETR Squib (Driver/Front Passenger)	In respective seat belt buckle assembly.
Side Airbag Squib (Driver/Front Passenger)	In outer side of respective front seat back. See Fig. 137.
Sound System Amplifier	Under driver's seat.
Steering Wheel Heater/Fanfare Horns Electronics	In steering wheel. See Fig. 24.
TELE AID Spare Antenna	Left rear of cargo area. See Fig. 8.
Throttle Valve Actual Value Potentiometer (M16/6r1)	Integral to throttle valve actuator. See Fig. 95.
Window Airbag Squib (Left/Right)	In respective "A" pillar. See Fig. 143.
2nd Row ETR (GUS) Squib (Left/Right)	In respective "C" pillar. See Fig. 136.
2nd Row Side Airbag Ignition Squib (Left/Right)	In outer side of respective 2nd row seat. See Fig. 138.
3rd Row ETR (GUS) Squib (Left/Right)	In respective "D" pillar. See Fig. 145.

Mercedes-Benz R500 2006 - CONNECTORS

Mercedes-Benz R500 2006 CONNECTORS LOCATION

Component	Location
X4/39 (6 Pin)	Under left side of dash. See Fig. 205.
X18/3 (8 Pin)	Under right rear of vehicle. See Fig. 207.
X18/7 (60 Pin)	Left front of engine compartment. See Fig. 208.
X18 (60 Pin)	Behind right kick panel. See Fig. 206.
X25/2 (Except 5.0L) (66 Pin)	Under right side of dash.
X25/2 (5.0L) (60 Pin)	Under right side of dash.
X35/1 (36 Pin)	Behind left kick panel.
X35/2 (36 Pin)	Behind right kick panel.
X35/3 (36 Pin)	In left "B" pillar.
X35/4 (36 Pin)	In right "B" pillar.

Mercedes-Benz R500 2006 - GROUNDS

Mercedes-Benz R500 2006 GROUNDS LOCATION

Component	Location
W2	Right front wheelwell. See Fig. 158.
W2/1	Right front wheelwell. See Fig. 159.
W6	Left "D" pillar. See Fig. 160.
W7	Right "D" pillar. See Fig. 161.
W8	Left side of tailgate. See Fig. 162.
W8/1	Top left side of tailgate. See Fig. 163.
W8/2	Top right side of tailgate. See Fig. 164.
W9	Behind left headlight assembly. See Fig. 165.
W10	Under front passenger's seat. See Fig. 166.
W11w1	Rear of right cylinder bank. See Fig. 168.
W11w2	Rear of left cylinder bank. See Fig. 169.
W11/3	Front of engine. See Fig. 167.
W15/1	Right front footwell. See Fig. 170.
W15/2	Left front footwell. See Fig. 171.
W16/3	Left rear of engine compartment. See Fig. 172.
W16/4	Right rear of engine compartment. See Fig. 173.
W17	In right rear footwell. See Fig. 174.
W17/1	Left rear footwell. See Fig. 175.
W26	Under center console. See Fig. 176.
W29/2	Behind right kick panel. See Fig. 177.
W29/8	Top of left "D" pillar. See Fig. 178.
W29/9	Top of right "D" pillar. See Fig. 179.
W48/3	Top of right "D" pillar. See Fig. 179.
W70	In left front wheelwell. See Fig. 180.

Mercedes-Benz R500 2006 - SPLICES

Mercedes-Benz R500 2006 SPLICES LOCATION

Component	Location
Z1	Top center of engine.
Z2	Left rear of engine.
Z2z1	Top center of engine.
Z3/11	Behind center of dash.
Z3/29z1	Left side of engine.
Z3/29z2	Front of engine.
Z5	Right side of engine.
Z5z2	Right side of engine.
Z6/8	Left side of engine.
Z6/12	In left rear door.
Z6/13	In right rear door.
Z6/14	Under center console.
Z6/15	Under front of center console.
Z6/26	Right side of engine.
Z6/27	Right front of engine.
Z6/30z1	Right front of engine.
Z6/30z2	Left front of engine.
Z6/35	In driver's door.
Z6/36	In front passenger's door.
Z6/48	Left rear of engine.
Z6/48z1	Right side of engine.
Z6/48z2	Left rear of engine.
Z6/62	Right front footwell.
Z7/5	Left rear of engine.
Z7/35z1 (3.5L)	Right side of engine.
Z7/35z1 (5.0L)	Left rear of engine.
Z7/35z2 (3.5L)	Left side of engine.
Z7/35z2 (5.0L)	Front of engine.
Z7/35z3	Left rear of engine.
Z7/35z4	Right rear of engine.
Z7/36	Left side of engine.
Z7/36z1	Right side of engine.
Z7/36z2	Left side of engine.
Z7/38z1	Right side of engine.
Z7/38z2	Right side of engine.
Z7/43	Right side of engine.
Z7/44	Rear of engine.
Z7/98z1	Right rear of engine.
Z7/98z2	Left rear of engine.
Z9	Right front of engine.
Z21	Right front footwell.
Z28/44	Left rear doorsill.
Z35/7	Behind center of dash.
Z35/8	Behind center of dash.
Z36/1	Behind left side of rear bumper.
Z36/2	Behind left side of rear bumper.
Z36/3	Behind right side of front bumper.
Z36/4	Behind right side of front bumper.
Z36/12	Right rear of engine compartment.
Z36/14	Right rear of engine compartment.
Z37/69	Right rear of engine compartment.
Z37/70	Right rear of engine compartment.
Z43	Left side of tailgate.
Z50/1	Under right side of dash.
Z50/3	Under left side of dash.
Z50/4	Under right side of dash.
Z50/5	Right front footwell.
Z50/36	Under left side of dash.
Z51/6	Right front footwell.
Z53/25	Right rear footwell.
Z53/26	Right rear footwell.
Z55/1	Right side of tailgate.
Z56/13	In right front wheelwell.
Z56/14	In right front wheelwell.
Z56/15	In right wheelwell.
Z61/10	In driver's seat backrest.
Z61/11	In front passenger's seat backrest.
Z68/1	Under center of dash.
Z68/1z2	Left rear of cargo area.
Z68/2	Under center of dash.
Z68/5	Under front of center console.
Z68/6	Under front of center console.
Z68/7	Under center of dash.
Z68/8	Left rear of cargo area.
Z68/9	Under center console.
Z84/1	Front of engine.
Z84/2	Front of engine.
Z100/2	Left rear footwell.
Z204/3	Right rear footwell.
Z204/4	Right front footwell.
Z204/5	Left front footwell.
Z204/6	Left rear footwell.
Z204/9	Left rear footwell.