Mercedes-Benz GL350 2010 - 2010 MERCEDES-BENZ GL350, GL450 & GL550

Mercedes-Benz GL350 2010 - BUZZERS, RELAYS & TIMERS

Mercedes-Benz GL350 2010 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
Air Suspension Compressor (G)	In engine compartment fuse & relay box. See Fig. 2.
Circuit R Relay (115R) (R)	In load compartment fuse & relay box. See Fig. 3.
Circuit 15 Relay (H)	In engine compartment fuse & relay box. See Fig. 2.
Circuit 15 Relay (Terminal 87FW) (N)	In load compartment fuse & relay box. See Fig. 3.
Circuit 15R Seat Adjustment Relay (K)	In load compartment fuse & relay box. See Fig. 3.
Circuit 30 Relay (Trailer) (U)	In load compartment fuse & relay box. See Fig. 3.
Circuit 30 Relay (2nd Seat Row & Load Compartment) (T)	In load compartment fuse & relay box. See Fig. 3.
Engine Coolant Circulation Pump Relay (Except Diesel) (C)	In engine compartment fuse & relay box. See Fig. 2.
Fanfare Horn Relay (F)	In engine compartment fuse & relay box. See Fig. 2.
Fuel Pump Relay (O)	In load compartment fuse & relay box. See Fig. 3.
Heated Rear Window Relay (M)	In load compartment fuse & relay box. See Fig. 3.
Rear Wiper Relay (P)	In load compartment fuse & relay box. See Fig. 3.
Secondary Air Injection Pump Relay (E)	In engine compartment fuse & relay box. See Fig. 2.
Starter Relay (I)	In engine compartment fuse & relay box. See Fig. 2.
Terminal 30X Relay (L)	In load compartment fuse & relay box. See Fig. 3.
Terminal 87 Relay (Engine) (D)	In engine compartment fuse & relay box. See Fig. 2.
Transmission Oil Cooling Circulation Pump Relay (Diesel) (C)	In engine compartment fuse & relay box. See Fig. 2.
Wiper Level Relay 1/2 (A)	In engine compartment fuse & relay box. See Fig. 2.
Wiper ON/OFF Relay (B)	In engine compartment fuse & relay box. See Fig. 2.

Mercedes-Benz GL350 2010 - CIRCUIT PROTECTION DEVICES

Mercedes-Benz GL350 2010 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Battery Compartment Prefuse Box (F33)	Behind right front seat. 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	Right rear of engine compartment. See Fig. 93.
Load Compartment Fuse & Relay Box (F4)	Right side of cargo area. See Fig. 1.

Mercedes-Benz GL350 2010 - CONTROL UNITS

Mercedes-Benz GL350 2010 CONTROL UNITS LOCATION

Component	Location
Airmatic Control Unit	In left front footwell. See Fig. 140.
Backup Camera Voltage Supply Module	Under spare tire compartment liner. See Fig. 143.
Blower Regulator	On blower motor. See Fig. 23.
Booster Blower Electronic Blower Controller	On booster blower motor. See Fig. 134.
CDI Control Module	Right rear of engine compartment.
Central Gateway Control Module	Under driver's seat. See Fig. 147.
Electric Control Unit (VGS) (Y3/8)	In transmission housing. See Fig. 4.
Emergency Call System Control Unit	Under left seat of 2nd row. See Fig. 151.
ESP Control Unit	Left front of engine compartment. See Fig. 138.
Folding Rear Bench Seat Control Unit	Under left seat of 2nd row. See Fig. 137.
Front Door Control Module (Left/Right)	In respective front door. See Fig. 144.
Front SAM Control Unit	Under front passenger's seat. See Fig. 128.
Front Seat Adjustment Control Module W/Memory (Driver/Front Passenger)	Under respective front seat. See Fig. 136.
Front Seat Ventilation Blower Regulator (Left/Right)	Inside respective seat back.
Fuel Pump Control Unit (Left/Right)	Under right seat of 2nd row. See Fig. 148.
Fully Integrated Transmission Control (VGS) Control Unit (Y3/8n4)	In transmission housing. See Fig. 4.
Glowtime Output Stage	Center front of engine. See Fig. 130.
Headlight Range Adjustment Control Module	Under front passenger's seat.
HRA (LWR) Power Module (Left/Right)	Attached to respective headlight assembly. See Fig. 92.
Intelligent Servo Module (DIRECT SELECT)	Left side of transmission housing. See Fig. 28.
Keyless Go Control Module	Right front of cargo area. See Fig. 145.
ME-SFI (ME) Control Unit	Center rear of engine. See Fig. 127.
PTS Control Module	Under driver's seat. See Fig. 141.
Rear A/C Blower Regulator	On rear blower motor. See Fig. 135.
Rear Audio Control Unit	Under driver's seat. See Fig. 142.
Rear Axle Differential Lock Control Module	Under left seat of 3rd row. See Fig. 132.
Rear-End Door Closing Control Module	Under right rear of cargo area floor. See Fig. 149.
Rear SAM Control Module	Right rear of cargo area. See Fig. 129.
Rear SAM Control Unit (N10/8)	Right rear of cargo area. See Fig. 1.
Restraint Systems Control Module	Under center console. See Fig. 125.
Roof Antenna Module	Center rear of roof. See Fig. 12.
SDAR Control Unit	Under left seat of 2nd row. See Fig. 146.
Seat Ventilation & Steering Wheel Heater Control Unit	Under left seat of 2nd row. See Fig. 133.
Steering Column Module	Behind steering wheel.
TPM Control Module	Attached to load compartment fuse & relay box.
Traction System Hydraulic Unit	Left front of engine compartment. See Fig. 14.
Transfer Case Control Module (N15/7)	Under front passenger's seat. See Fig. 131.
Universal Portable CTEL Interface (UPCI (UHI)) Control Module	Under left seat of 2nd row. See Fig. 150.
Weight Sensing System Control (WSS) Unit	Under front passenger's seat. See Fig. 126.
Xenon Headlamp Ignition Module (Left/Right)	At rear of respective headlight assembly. See Fig. 91.

Mercedes-Benz GL350 2010 - MOTORS

Mercedes-Benz GL350 2010 MOTORS LOCATION

Component	Location
Actuator Motor (M16/6m1)	Integral to throttle valve actuator assembly. See Fig. 107.
Air Compressor Motor	Integral to AIRmatic compressor unit. See Fig. 18.
AIR Pump	Top front of engine. See Fig. 118.
Backrest Angle Adjustment Motor (Driver/Front Passenger)	In respective front seat back. See Fig. 117.
Blower Motor (A32m1)	Under right side of dash.
Booster Blower Motor	Under rear of center console. See Fig. 94.
Charge Pressure Positioner	Top rear of engine. See Fig. 221.
Coolant Circulation Pump	In left front wheelwell. See Fig. 104.
Diverter Flap Actuator Motor (M16/27)	Top center of fresh air housing. See Fig. 95.
Dynamic Cornering Lamp Motor (Left/Right)	At rear of respective headlight assemblies. See Fig. 90.
Dynamic Seat Control Pneumatic Pump	Left rear of cargo area. See Fig. 119.
Electric Suction Fan Engine & A/C W/Integrated Control	Center front of engine compartment.
Folding Backrest Motor (Left/Right)	Under respective 3rd row seat. See Fig. 122.
Fresh Air & Air Recirculation Flap Actuator Motor (M2/5)	Right side of fresh air housing. See Fig. 95.
Front Door CL Motor (Left/Right)	Rear of respective front door. See Fig. 105.
Front Seat Backrest Ventilation Motor Group (Left/Right)	In respective seat back. See Fig. 109.
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. 115.
Fuel Filler Flap CL Motor	Right side of cargo area.
Fuel Pump (Left) (M3/2)	In right side of fuel tank. See Fig. 98.
Fuel Pump (Right) (M3)	In right side of fuel tank. See Fig. 98.
HCS Pump	On washer fluid reservoir. See Fig. 100.
Headlamp Range Adjustment Motor (Left/Right)	At rear of respective headlight assembly. See Fig. 89.
Head Restraint Motor (Driver/Front Passenger)	In respective seat back. See Fig. 116.
High Pressure & Return Pump	Integral to traction system hydraulic unit. See Fig. 14.
Inlet Port Shutoff Motor	Top center of engine. See Fig. 123.
Left Blending Air Flap Actuator Motor (M2/6)	Left side of A/C unit. See Fig. 96.
Left Center Air Flap Actuator Motor (M16/23)	Left side of A/C unit. See Fig. 96.
Left Defroster Vent Flap Actuator Motor (M2/8)	Left side of fresh air housing. See Fig. 95.
Left Exhaust Gas Recirculation Positioner	Top left rear of engine. See Fig. 206.
Left Footwell Flap Actuator Motor (M2/10)	Left side of A/C unit. See Fig. 96.
Lumbar Pump	Left rear of cargo area. See Fig. 112.
Mirror Fold-In Motor (Left/Right)	In respective mirror.
Mirror In/Out Adjustment Motor (Left/Right)	In respective mirror.
Mirror Up/Down Adjustment Motor (Left/Right)	In respective mirror.
Power Window Motor (Left/Right Front)	Center of respective front door. See Fig. 101.
Power Window Motor (Left/Right Rear)	Center of respective rear door. See Fig. 102.
Rear Air Conditioning Blower Motor (M2/29)	On rear A/C unit. See Fig. 97.
Rear Air Conditioning Refrigerant Shutoff Motor	On rear A/C unit. See Fig. 108.
Rear Air Distribution Flap Actuator Motor (M2/21)	On booster blower assembly.
Rear Axle Differential Actuator Motor	On rear axle differential. See Fig. 124.
Rear Door CL Motor (Left/Right)	Rear of respective rear door. See Fig. 106.
Rear Door Hydraulic Pump	In right side of cargo area floor. See Fig. 121.
Rear Door Locking Unit	Center of tailgate.
Rear Seat Height Adjustment Motor (Driver/Front Passenger)	Under respective front seat. See Fig. 114.
Rear Shutoff Flap Actuator Motor (M2/12)	Lower left center of A/C unit. See Fig. 96.
Right Blending Air Flap Actuator (M2/7)	Right side of A/C unit. See Fig. 96.
Right Center Air Flap Actuator Motor (M16/24)	Right side of A/C unit. See Fig. 96.
Right Defroster Vent Flap Actuator Motor (M2/9)	Right side of fresh air housing. See Fig. 95.
Right Footwell Flap Actuator Motor (M2/11)	Right side of fresh air housing. See Fig. 95.
Seat Fore/Aft Adjustment Motor (Driver/Front Passenger)	Under respective front seat. See Fig. 113.
Sliding Roof Motor	Integral to tilting/sliding roof (SR (SHD)) drive unit. See Fig. 103.
Steering Column Forward/Back Motor (M20/1)	On steering column. See Fig. 110.
Steering Column Raise/Lower Motor (M20/2)	On steering column. See Fig. 110.
Tailgate Wiper Motor	Center of tailgate.
Throttle Valve Actuator	On throttle body. See Fig. 107.
Transfer Case Actuator Motor	On transfer case. See Fig. 120.
Vent Window Motor (Left/Right)	In respective "D" pillar. See Fig. 111.
Windshield Washer Fluid Pump	On washer fluid reservoir. See Fig. 99.
Wiper Motor	Left rear of engine compartment.
3rd Seat Row Air Distribution Actuator Motor (M16/43)	On rear A/C unit.
3rd Seat Row Blending Air Actuator Motor (M16/44)	On rear A/C unit.

Mercedes-Benz GL350 2010 - SENDING UNITS & SENSORS

Mercedes-Benz GL350 2010 SENDING UNITS & SENSORS LOCATION

Component	Location
Accelerator Pedal Sensor	Top of accelerator pedal assembly.
AIRmatic Pressure Sensor	Integral to AIRmatic valve unit. See Fig. 207.
Ambient Temperature Display Temperature Sensor	Behind left side of front bumper.
BAS Diaphragm Travel Sensor	Integral to BAS brake booster. See Fig. 15.
Body Lateral Acceleration Sensor (Left/Right Front)	Top of respective front shock towers. See Fig. 60.
Body Lateral Acceleration Sensor (Right Rear)	Right side of cargo area. See Fig. 61.
Camshaft Hall Sensor (Diesel)	Top right side of engine. See Fig. 37.
Center Outlet Temperature Sensor (Left)	Behind center of dash. See Fig. 47.
Center Outlet Temperature Sensor (Right)	Behind center of dash. See Fig. 48.
Center Rear Interior Temperature Sensor	Under rear of center console. See Fig. 43.
Charge Air Temperature Sensor	Right front of engine. See Fig. 55.
Charge Pressure Sensor	Right front of engine. See Fig. 36.
Coolant Temperature Sensor (Diesel)	Top left side of engine. See Fig. 52.
Coolant Temperature Sensor (V8)	Rear of left cylinder bank. See Fig. 51.
Crankshaft Hall Sensor (Diesel)	Left rear of engine. See Fig. 83.
Crankshaft Hall Sensor (V8)	Left rear of engine. See Fig. 82.
Dew Point Sensor	Under right side of dash. See Fig. 53.
Differential Pressure Sensor (DPF)	At differential. See Fig. 67.
Door Closing Obstruction Sensor Strip (Left/Right Rear)	In respective "D" pillar. See Fig. 85.
Dual Sun Sensor	Top center of dash.
Emissions Sensor	Right rear of engine compartment. See Fig. 70.
ESP Brake Pressure Sensor	Left rear of engine compartment. See Fig. 71.
Evaporator Temperature Sensor	Under center of dash. See Fig. 42.
Exhaust Back Pressure Sensor	Center rear of engine. See Fig. 81.
Exhaust Camshaft Hall Sensor (Left)	Left front of engine. See Fig. 40.
Exhaust Camshaft Hall Sensor (Right)	Right front of engine. See Fig. 41.
Footwell Temperature Sensor (Left) (B10/35)	Left side of HVAC unit. See Fig. 49.
Footwell Temperature Sensor (Right) (B10/36)	Right side of HVAC unit. See Fig. 49.
Frontal Acceleration Sensor (Driver/Passenger)	At respective front corners of engine compartment. See Fig. 73.
Front Door Pressure Sensor (Driver/Passenger)	In respective front doors. See Fig. 74.
Fuel Filter Water Level Sensor	Top center of engine. See Fig. 84.
Fuel Level Sensor (Left) (B4/1)	In left side of fuel tank. See Fig. 33.
Fuel Level Sensor (Right) (B4/2)	In right side of fuel tank. See Fig. 33.
Fuel Tank Pressure Sensor	Inside fuel tank. See Fig. 34.
Fuel Temperature Sensor	Left front of engine. See Fig. 79.
Hall Sensor 1 & 2 (Sliding Roof)	Integral to tilting/sliding roof (SR (SHD)) drive unit. See Fig. 103.
Hot Film MAF Sensor	Center rear of engine. See Fig. 30.
Hot Film MAF Sensor (Left)	Top right side of engine.
Hot Film MAF Sensor (Right)	Top left side of engine. See Fig. 32.
Intake Camshaft Hall Sensor (Left)	Left front of engine. See Fig. 38.
Intake Camshaft Hall Sensor (Right)	Right front of engine. See Fig. 39.
Intake Manifold Tumble Flap Position Sensor (Left)	Left rear of engine. See Fig. 68.
Intake Manifold Tumble Flap Position Sensor (Right)	Right rear of engine. See Fig. 69.
Internal Speed Sensor (VGS) (Y3/8n2)	In transmission housing. See Fig. 4.
Knock Sensor 1 (Right)	Top center of engine. See Fig. 20.
Knock Sensor 2 (Left)	Top center of engine. See Fig. 21.
Left Hot Film MAF Sensor	Top right side of engine. See Fig. 31.
Left O2 Sensor (Downstream Of TWC (KAT))	In left exhaust, after TWC.
Left O2 Sensor (Upstream Of TWC (KAT))	In left exhaust, before TWC.
Level Sensor (Left/Right Front)	On respective front frame rails. See Fig. 59.
Level Sensor (Left/Right Rear)	On respective rear frame rail. See Fig. 58.
Micromechanical Turn Rate Sensor AY Pickup	Under right front seat. See Fig. 62.
Oil Sensor (Oil Level, Temperature & Quality)	Bottom of oil pan. See Fig. 72.
Oil Temperature Sensor	Bottom left side of oil pan. See Fig. 29.
Output Speed Sensor (VGS) (Y3/8n3)	In transmission housing. See Fig. 4.
Pressure Sensor	Top left side of engine. See Fig. 65.
Pressure Sensor (Downstream Of Air Cleaner)	Top left side of engine. See Fig. 66.
PTS Ultrasonic Sensors (Front) (6)	In front bumper.
PTS Ultrasonic Sensors (Rear) (4)	In rear bumper.
Rail Pressure Sensor	Top right rear of engine. See Fig. 35.
Rain/Light Sensor	Top center of windshield.
Rear Air Conditioning Evaporator Temperature Sensor	Left side of cargo area. See Fig. 44.
Rear Door Pressure Sensor (Left/Right)	In respective rear door. See Fig. 75.
Rear-End Door Opening Angle Recognition Sensor	Right rear of roof. See Fig. 63.
Rear Headroom A/C Temperature Sensor	Top of left "C" pillar. See Fig. 50.
Refrigerant Pressure Sensor	In left front wheelwell. See Fig. 54.
Right Front Brake Pad Contact Sensor	On right front brake assembly. See Fig. 161.
Right O2 Sensor (Downstream Of TWC (KAT))	In right exhaust, after TWC.
Right O2 Sensor (Upstream Of TWC (KAT))	In right exhaust, before TWC.
Right Rear Brake Pad Contact Sensor	On right rear brake assembly. See Fig. 162.
Selection Range Sensor (VGS) (Y3/8s1)	In transmission housing. See Fig. 4.
Side Airbag & Window Airbag Sensor (Left/Right)	Base of respective "B" pillar. See Fig. 25.
Side Outlet Temperature Sensor (Left)	Behind left side of dash. See Fig. 45.
Side Outlet Temperature Sensor (Right)	Behind right side of dash. See Fig. 46.
Steering Angle Sensor	Top of steering column. See Fig. 139.
Sun Sensor	Top center of dash.
Temperature Sensor Upstream Of Diesel Particulate Filter	Under right center of vehicle, in exhaust. See Fig. 57.
TPM (RDK) Wheel Sensor (A69/1 - A69/4)	In respective wheel assemblies. See Fig. 26.
Transfer Case Absolute Sensor	At transfer case. See Fig. 80.
Turbine Speed Sensor (VGS) (Y3/8n1)	In transmission housing. See Fig. 4.
TWC (KAT) Temperature Sensor	On 3-way catalytic converter. See Fig. 56.
Vent Window Obstruction Sensor Strip (Left/Right)	Inside top window frame of respective vent window.
Weight Sensing System (WSS) Sensor (Left Front)	Under left front of front passenger's seat. See Fig. 76.
Weight Sensing System (WSS) Sensor (Left/Right Rear)	Under respective rear sides of front passenger's seat. See Fig. 78.
Weight Sensing System (WSS) Sensor (Right Front)	Under right front of front passenger's seat. See Fig. 77.
Wheel Speed Sensors (4)	At respective wheel assemblies.

Mercedes-Benz GL350 2010 - SOLENOIDS & SOLENOID VALVES

Mercedes-Benz GL350 2010 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/C Compressor	Lower left front of engine. See Fig. 16.
Activated Charcoal Filter Shutoff Valve	In right rear wheelwell. See Fig. 215.
AIRmatic Central Reservoir Charge Valve	Integral to AIRmatic valve unit. See Fig. 207.
AIRmatic Pressure Reduction Valve	Integral to AIRmatic compressor unit. See Fig. 19.
AIRmatic Valve Unit	Behind right end of front bumper. See Fig. 207.
Air Pump Switchover Valve	Top right front of engine. See Fig. 216.
Automatic Rear-End Door Closing Control Valve	Right side of cargo area floor. See Fig. 223.
Backrest Release Unit (Left/Right)	Inside respective backrest of 3rd row seats.
BAS Solenoid Valve	Integral to BAS brake booster. See Fig. 15.
B1 Brake Control Solenoid Valve (VGS) (Y3/8y5)	In transmission housing. See Fig. 4.
B2 Brake Control Solenoid Valve (VGS) (Y3/8y6)	In transmission housing. See Fig. 4.
B3 Brake Control Solenoid Valve (VGS) (Y3/8y7)	In transmission housing. See Fig. 4.
Camshaft Exhaust Solenoid (Left)	Front of left cylinder bank. See Fig. 210.
Camshaft Exhaust Solenoid (Right)	Front of right cylinder bank. See Fig. 211.
Camshaft Intake Solenoid (Left)	Front of left cylinder bank. See Fig. 208.
Camshaft Intake Solenoid (Right)	Front of right cylinder bank. See Fig. 209.
Front Axle Damping Valve Unit (Left/Right)	On respective front axle. See Fig. 212.
Front Axle Inlet Solenoid Valve	Integral to traction system hydraulic unit. See Fig. 14.
Front Axle Switchover Solenoid Valve	Integral to traction system hydraulic unit. See Fig. 14.
Fuel Injection Valves (Y62/1 - Y62/4)	Top of right cylinder bank. See Fig. 217.
Fuel Injection Valves (Y62/5 - Y62/8)	Top of left cylinder bank. See Fig. 217.
Fuel Injector Cylinders 1 - 3 (Y76y1 - Y76y3)	On right cylinder bank, above respective cylinder. See Fig. 219.
Fuel Injector Cylinders 4 - 6 (Y76y4 - Y76y6)	On left cylinder bank, above respective cylinder. See Fig. 220.
Heating System Shutoff Valve	Top left rear of engine. See Fig. 203.
High Beam Solenoid (Left/Right)	Integral to respective headlight assemblies. See Fig. 88.
Intake Manifold Tumble Flap Switchover Valve	Front of intake manifold. See Fig. 205.
K1 Clutch Control Solenoid Valve (VGS) (Y3/8y2)	In transmission housing. See Fig. 4.
K2 Clutch Control Solenoid Valve (VGS) (Y3/8y3)	In transmission housing. See Fig. 4.
K3 Clutch Control Solenoid Valve (VGS) (Y3/8y4)	In transmission housing. See Fig. 4.
Left Front Axle Solenoid Valve (Hold)	Integral to traction system hydraulic unit. See Fig. 14.
Left Front Axle Solenoid Valve (Release)	Integral to traction system hydraulic unit. See Fig. 14.
Left Rear Axle Solenoid Valve (Hold)	Integral to traction system hydraulic unit. See Fig. 14.
Left Rear Axle Solenoid Valve (Release)	Integral to traction system hydraulic unit. See Fig. 14.
Level Control Valves (Left/Right Front/Rear)	Integral to AIRmatic valve unit. See Fig. 207.
NECK-PRO Head Restraint Solenoid (Driver/Front Passenger)	Inside respective head restraint.
Power Steering Pump Pressure Regulator Valve	On power steering pump. See Fig. 202.
Pressure Regulator Valve	Top left front of engine. See Fig. 218.
Purge Control Valve	Left side of engine compartment. See Fig. 214.
Rear Axle Damping Valve Unit (Left/Right)	At respective rear wheel assembly. See Fig. 213.
Rear Axle Inlet Solenoid Valve	Integral to traction system hydraulic unit. See Fig. 14.
Rear Axle Switchover Solenoid Valve	Integral to traction system hydraulic unit. See Fig. 14.
Right Front Axle Solenoid Valve (Hold)	Integral to traction system hydraulic unit. See Fig. 14.
Right Front Axle Solenoid Valve (Release)	Integral to traction system hydraulic unit. See Fig. 14.
Right Rear Axle Solenoid Valve (Hold)	Integral to traction system hydraulic unit. See Fig. 14.
Right Rear Axle Solenoid Valve (Release)	Integral to traction system hydraulic unit. See Fig. 14.
Solenoid Valve 1 (Left Front) (Y51y1)	Integral to left front axle damping valve unit. See Fig. 212.
Solenoid Valve 1 (Left Rear) (Y53y1)	Integral to left rear axle damping valve unit. See Fig. 213.
Solenoid Valve 1 (Right Front) (Y52y1)	Integral to right front axle damping valve unit. See Fig. 212.
Solenoid Valve 1 (Right Rear) (Y54y1)	Integral to right rear axle damping valve unit. See Fig. 213.
Solenoid Valve 2 (Left Front) (Y51y2)	Integral to left front axle damping valve unit. See Fig. 212.
Solenoid Valve 2 (Left Rear) (Y53y2)	Integral to left rear axle damping valve unit. See Fig. 213.
Solenoid Valve 2 (Right Front) (Y52y2)	Integral to right front axle damping valve unit. See Fig. 212.
Solenoid Valve 2 (Right Rear) (Y54y2)	Integral to right rear axle damping valve unit. See Fig. 213.
SPS (PML) Solenoid Valve	In left front wheelwell. See Fig. 201.
Three-Disk Thermostat Valve	Front of engine. See Fig. 195.
Torque Converter Lockup Clutch Control Solenoid Valve (VGS) (Y3/8y8)	In transmission housing. See Fig. 4.
Transfer Case Switchover Magnet	At transfer case. See Fig. 224.
Variable Intake Manifold Switchover Valve	Front of intake manifold. See Fig. 204.
Volume Control Valve	Left front of engine. See Fig. 222.
Working Pressure Control Solenoid Valve (VGS) (Y3/8y1)	In transmission housing. See Fig. 4.

Mercedes-Benz GL350 2010 - SWITCHES

Mercedes-Benz GL350 2010 SWITCHES LOCATION

Component	Location
ATA (EDW) Hood Switch	Left front of engine compartment. See Fig. 166.
BAS Release Switch	Integral to BAS brake booster. See Fig. 15.
Brake Fluid Indicator Switch	On brake fluid reservoir.
Coolant Level Indicator Switch	In coolant reservoir. See Fig. 163.
Front Door Rotary Tumbler Microswitch (Left/Right)	Rear of respective front door. See Fig. 105.
Oil Level Switch (Diesel)	Left side of oil pan. See Fig. 165.
Oil Level Switch (V8)	Right front of oil pan. See Fig. 164.
Parking Brake Indicator Switch	Under left end of dash.
Rear Door Rotary Tumbler Microswitch (Left/Right)	Rear of respective rear door. See Fig. 106.
Right Easy Entry Feature Microswitch (2nd Seat Row)	Under left seat of 2nd seat row, inside locking unit. See Fig. 167.
Seat Belt Buckle & Seat Belt Warning Switch (Driver/Front Passenger)	In respective seat belt buckle assembly.
Windshield Washer Fluid Level Indicator Switch	In washer fluid reservoir.

Mercedes-Benz GL350 2010 - MISCELLANEOUS

Mercedes-Benz GL350 2010 MISCELLANEOUS LOCATION

Component	Location
Actual Value Potentiometer (Sliding Contact 1) (M16/6r3)	Integral to throttle valve actuator. See Fig. 107.
Actual Value Potentiometer (Sliding Contact 2) (M16/6r4)	Integral to throttle valve actuator. See Fig. 107.
AIRmatic Compressor Unit	Behind right side of front bumper. See Fig. 17.
Alarm Signal Horn	Right rear of engine compartment.
Auxiliary Battery	Under right front seat.
Backup Camera	Center of tailgate.
BAS Brake Booster	Left rear of engine compartment. See Fig. 15.
Battery	Under right front seat.
Belt Force Limiter (Driver/Front Passenger)	On respective "B" pillar.
Central TPM (RDK) Antenna	Under right center of vehicle. See Fig. 13.
Clock Spring Contact	Top of steering column. See Fig. 24.
Cockpit Keyless Go Antenna	Under front of center console. See Fig. 10.
Coolant Thermostat Heating Element	Top of engine. See Fig. 160.
Cylinder Ignition Coils (T1/1 (Marked) - T1/4)	Top of right cylinder bank. See Fig. 168.
Cylinder Ignition Coils (T1/5 (Marked) - T1/8)	Top of left cylinder bank. See Fig. 169.
Data Link Connector	Under left side of dash. See Fig. 197.
Drive Actual Value Potentiometer (M16/6r2)	Integral to throttle valve actuator. See Fig. 107.
Driver Airbag Ignition Squib 1 & 2	In steering wheel.
Electronic Compass	Behind instrument cluster. See Fig. 64.
E-Net Compensator	Left rear of cargo area. See Fig. 22.
Fanfare Horns (2)	Center front of engine compartment.
F/M Rear Window Antenna Amplifier	Left side of tailgate. See Fig. 6.
Front Passenger Airbag Ignition Squib 1	Behind right side of dash. See Fig. 152.
Front Passenger Airbag Ignition Squib 2	Behind right side of dash. See Fig. 153.
Front Reversible Emergency Tensioning Retractor (Left/Right)	In respective "B" pillar. See Fig. 27.
Garage Door Opener Transmitter Unit	Integral to interior rearview mirror unit.
Glow Plugs (R9/1 - R9/3)	Top of right cylinder bank.
Glow Plugs (R9/4 - R9/6)	Top of left cylinder bank.
GPS Antenna Splitter	Under left seat of 2nd seat row. See Fig. 5.
Interference Filter 1	Rear of roof.
Interior Keyless Go Antenna	Under left seat of 2nd seat row. See Fig. 11.
Keyless Go Door Handles (4)	In outside door handles.
Keyless Go Rear Door Antenna (Left/Right)	Upper front of respective rear door. See Fig. 8.
Keyless Go Trunk Antenna	Left side of tailgate. See Fig. 7.
Left Front IR Receiver	In left front door handle.
Radio Interference Suppression Capacitor 1	Top right side of engine. See Fig. 86.
Radio Interference Suppression Capacitor 2	Top left side of engine. See Fig. 87.
Rear-End Door Closing Warning Buzzer	Bottom of tailgate.
Seat Belt Buckle ETR Squib (Driver/Front Passenger)	Near base of respective seat belt buckle assembly.
Side Airbag Squib (Driver/Front Passenger)	In outer side of seat back. See Fig. 155.
Sound Amplifier Microphone	In interior rearview mount.
Sound System Amplifier	Under driver's seat.
TELE AID Spare Antenna	In right "D" pillar. See Fig. 9.
Throttle Valve Actual Value Potentiometer (M16/6r1)	Integral to throttle valve actuator. See Fig. 107.
Vent Line Heater Element	Top of engine. See Fig. 159.
Window Airbag Squib (Left)	Under left end of dash. See Fig. 156.
Window Airbag Squib (Right)	Under right end of dash. See Fig. 157.
2nd Row ETR [GUS] Squib (Left/Right)	On respective "C" pillar. See Fig. 154.
2nd Row Side Airbag Ignition Squib (Left/Right)	In outer side of seat back.
3rd Row ETR [GUS] Squib (Left/Right)	On respective "D" pillar. See Fig. 158.

Mercedes-Benz GL350 2010 - CONNECTORS

Mercedes-Benz GL350 2010 CONNECTORS LOCATION

Component	Location
X25/2 (104 Pin)	Right front footwell. See Fig. 198.
X35/1 (36 Pin)	Behind left kick panel. See Fig. 199.
X35/2 (36 Pin)	Behind right kick panel. See Fig. 199.
X35/3 (36 Pin)	At left "B" pillar. See Fig. 200.
X35/4 (36 Pin)	At right "B" pillar. See Fig. 200.

Mercedes-Benz GL350 2010 - GROUNDS

Mercedes-Benz GL350 2010 GROUNDS LOCATION

Component	Location
W2	Right side of engine compartment. See Fig. 170.
W2/1	In right front wheelwell. See Fig. 171.
W6	At left "D" pillar. See Fig. 172.
W6/6	Left rear of cargo area floor. See Fig. 173.
W7	At right "D" pillar. See Fig. 174.
W7/7	Right rear of cargo area floor. See Fig. 175.
W8	Right side of tailgate. See Fig. 176.
W8/1	Top left side of tailgate. See Fig. 177.
W8/2	Top right side of tailgate. See Fig. 178.
W9	Left side of engine compartment. See Fig. 179.
W10	Under front passenger's seat. See Fig. 180.
W11	Right front of engine. See Fig. 181.
W11w1	Right rear of engine (V8). See Fig. 183.
W11w2	Left rear of engine (V8). See Fig. 184.
W11/4	On generator. See Fig. 182.
W15/1	Right front footwell. See Fig. 185.
W15/2	Left front footwell. See Fig. 186.
W16/3	Left rear of engine compartment. See Fig. 187.
W16/4	Right rear engine compartment. See Fig. 294.
W17	Under right seat of 2nd row. See Fig. 188.
W17/1	Under left seat of 2nd row. See Fig. 189.
W26	Under front of center console. See Fig. 190.
W29/2	Behind right kick panel. See Fig. 191.
W29/8	Top of left "D" pillar. See Fig. 192.
W29/9	Top of right "D" pillar. See Fig. 193.
W48/3	Right rear of cargo area. See Fig. 194.
W70	Left front of engine compartment. See Fig. 196.

Mercedes-Benz GL350 2010 - SPLICES

Mercedes-Benz GL350 2010 SPLICES LOCATION

Component	Location
Z1	Top center of engine, inside wiring harness. See Fig. 225.
Z2	Left rear of engine. See Fig. 226.
Z2z1	Top center of engine, inside wiring harness. See Fig. 227.
Z3/11	Behind center of dash. See Fig. 228.
Z3/29z1	Top left of engine. See Fig. 229.
Z3/29z2	Front of engine. See Fig. 230.
Z3/51	Under center console. See Fig. 231.
Z5	Left rear of engine. See Fig. 232.
Z5z2	Right side of engine. See Fig. 233.
Z6/8	Left side of engine. See Fig. 234.
Z6/12	Left rear door. See Fig. 235.
Z6/13	Right rear door. See Fig. 236.
Z6/14	Under center console. See Fig. 237.
Z6/15	Under center console. See Fig. 238.
Z6/26	Right side of engine. See Fig. 239.
Z6/27 (M113)	Right side of transmission. See Fig. 241.
Z6/27 (M156)	Right front of engine. See Fig. 240.
Z6/30z1	Right side of engine. See Fig. 242.
Z6/30z2	Left side of engine. See Fig. 243.
Z6/35	Left front door. See Fig. 244.
Z6/36	In right front door. See Fig. 245.
Z6/47	Left front doorsill. See Fig. 246.
Z6/48	Left rear of engine. See Fig. 247.
Z6/62	Right front footwell. See Fig. 248.
Z7/5	Left rear of engine. See Fig. 249.
Z7/5z1	Right rear of engine. See Fig. 250.
Z7/35z1	Right side of engine. See Fig. 251.
Z7/35z2 (M113)	Top front of engine. See Fig. 254.
Z7/35z2 (M156)	Right rear of engine compartment. See Fig. 255.
Z7/35z2 (M272)	Left side of engine. See Fig. 252.
Z7/35z2 (M273)	Top left of engine. See Fig. 253.
Z7/35z3	Left rear of engine. See Fig. 256.
Z7/35z4	Right rear of engine. See Fig. 257.
Z7/36 (M113)	Left top of engine. See Fig. 258.
Z7/36 (M156)	Right rear of engine compartment. See Fig. 259.
Z7/36z1 (M272)	Top right side of engine. See Fig. 260.
Z7/36z1 (M273)	Top right of engine. See Fig. 261.
Z7/36z2	Left side of engine. See Fig. 262.
Z7/38z1	Right side of engine. See Fig. 263.
Z7/38z2 (M272)	Right side of engine. See Fig. 264.
Z7/38z2 (M273)	Top rear of engine. See Fig. 265.
Z7/43 (M273)	Right side of engine. See Fig. 266.
Z7/43 (M642)	Left rear of engine. See Fig. 267.
Z7/44	Rear of engine. See Fig. 268.
Z7/61	Right rear of engine compartment. See Fig. 269.
Z7/88	Under right rear seat. See Fig. 270.
Z7/98z1	Right rear of engine. See Fig. 271.
Z7/98z2	Left rear of engine. See Fig. 272.
Z7/98z3	Right rear of engine compartment. See Fig. 273.
Z9	Right front of engine. See Fig. 274.
Z21	Right rear footwell. See Fig. 275.
Z28/44	In left rear doorsill. See Fig. 276.
Z35/7	Behind center of dash. See Fig. 277.
Z35/8	Behind center of dash. See Fig. 278.
Z35/12	Right rear footwell. See Fig. 279.
Z35/13	Right rear footwell. See Fig. 279.
Z35/34	Right rear footwell. See Fig. 279.
Z36/1	Behind left side of rear bumper. See Fig. 280.
Z36/2	Behind left side of rear bumper. See Fig. 281.
Z36/3	Behind center of front bumper. See Fig. 282.
Z36/4	Behind center of front bumper. See Fig. 283.
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.
Z50/3	Behind center of dash. See Fig. 284.
Z50/4	Behind right side of dash. See Fig. 285.
Z50/5	Under center console. See Fig. 286.
Z50/36	Under center of dash.
Z51/6	Right front footwell.
Z53/20	Under center console.
Z53/25	Under left rear seat.
Z53/26	In right rear footwell.
Z54/7	Under center console.
Z55/1	Right side of tailgate.
Z55/4	Right side of tailgate.
Z57/15	Right front of engine compartment.
Z60/4	Behind left side of front bumper.
Z61/4	Under center console.
Z61/5	Under center console.
Z61/10	In driver's seat backrest.
Z61/11	In front passenger's seat backrest.
Z61/12	Under left seat of 2nd seat row.
Z61/13	Right rear footwell. See Fig. 279.
Z61/14	In right rear doorsill. See Fig. 287.
Z61/15	In right rear doorsill. See Fig. 288.
Z68/1	Behind center of dash.
Z68/2	Behind center of dash.
Z68/5	Behind center of dash.
Z68/6	Behind center of dash.
Z68/7	Behind center of dash. See Fig. 290.
Z68/9	Left rear of cargo area.
Z81/8	Under center console.
Z84/1	Front of engine. See Fig. 289.
Z84/2	Front of engine. See Fig. 289.
Z100/2	Near base of left "B" pillar. See Fig. 276.
Z101/1	Under right seat of 2nd seat row.
Z101/2	Under right seat of 2nd seat row.
Z108/1	Left side of engine compartment.
Z108/2	Left side of engine compartment.
Z204/1	Left rear of cargo area.
Z204/2	Right rear of cargo area.
Z204/3	Under right rear seat.
Z204/4	Right front footwell.
Z204/5	Left front footwell. See Fig. 293.
Z204/6	Under left rear seat. See Fig. 292.
Z204/7	Left front footwell. See Fig. 291.