Mercedes-Benz E350 2009 - 2009 MERCEDES-BENZ E320, E350, E550 & E63 AMG

Mercedes-Benz E350 2009 - BUZZERS, RELAYS & TIMERS

Mercedes-Benz E350 2009 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
AIRmatic Relay	Left rear of engine compartment.
AIR Relay Module (K17)	Right rear of engine compartment. See Fig. 5.
Auxiliary Battery Relay (K57/2)	Right rear of engine compartment. See Fig. 6.
Circuit 15 Relay (N)	On driver-side SAM control module. See Fig. 11.
Circuit 15R Relay (P)	On driver-side SAM control module. See Fig. 11.
Circuit 87 Relay (Chassis) (K)	On driver-side SAM control module. See Fig. 11.
Circuit 87 Relay (Engine) (I)	On driver-side SAM control module. See Fig. 11.
FAN Relay Module (O)	On driver-side SAM control module. See Fig. 11.
Fuel Filler Cap Polarity Change No. 1 Relay (G)	On rear SAM control module. See Fig. 12.
Fuel Filler Cap Polarity Change No. 2 Relay (H)	On rear SAM control module. See Fig. 12.
Fuel Pump No. 2 Relay	Right side of trunk.
Fuel Pump Relay Module	Right side of trunk.
Intercooler Circulation Pump Relay (A)	On rear SAM control module. See Fig. 12.
Oil Cooler Air Pump/Fan Relay (R)	On driver-side SAM control module. See Fig. 11.
Rear Screen Blind Relay	Left rear of trunk.
Rear Window Defroster Relay (E)	On rear SAM control module. See Fig. 12.
Rear Wiper Relay (D)	On rear SAM control module. See Fig. 12.
Relay No. 1 (Circuit 15R) (F)	On rear SAM control module. See Fig. 12.
Relay No. 2 (Circuit 15R) (B)	On rear SAM control module. See Fig. 12.
Reserve No. 1 Relay	Left rear of engine compartment.
Reserve No. 2 Relay (C)	On rear SAM control module. See Fig. 12.
SEQ (ASG) Pump Control Relay (M)	On driver-side SAM control module. See Fig. 11.
Starter Relay (L)	On driver-side SAM control module. See Fig. 11.

Mercedes-Benz E350 2009 - CIRCUIT PROTECTION DEVICES

Mercedes-Benz E350 2009 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Air Injection Fuse	Right side of trunk.
Driver Side SAM Control Module With Fuse/Relay Module (N10/1)	Left rear of engine compartment. See Fig. 81.
FP Fuse	Right side of trunk.
Front Prefuse	Right front footwell.
Interior Fuse Box	Left end of dash.
Rear Prefuse	Lower right front of trunk.
Rear SAM Control Module With Fuse/Relay Module (N10/2)	Left side of trunk. See Fig. 82.

Mercedes-Benz E350 2009 - CONTROL UNITS

Mercedes-Benz E350 2009 CONTROL UNITS LOCATION

Component	Location
AIRmatic W/ADS Control Module (A9/1)	Under right side of dash. See Fig. 83.
Audio Gateway Control Module (Sedan) (N93/1)	Left side of trunk. See Fig. 84.
Audio Gateway Control Module (Wagon) (N93/1)	Left side of luggage compartment. See Fig. 85.
Battery Control Module (N82)	Right rear of trunk. See Fig. 86.
Blower Regulator	On blower motor.
CDI Control Module (N3/9)	Left rear of engine compartment. See Fig. 87.
Central Gateway Control Module (N93)	Under left side of dash. See Fig. 88.
DC/DC Converter Control Module (N99)	Behind instrument cluster. See Fig. 89.
DI Control Module (N64/1)	Near ignition switch. See Fig. 92.
Driver Front Seat Adjustment Control Module W/Memory (N32/1)	Under left front seat. See Fig. 90.
DTR Control Module (A89n1)	Integral to DTR control unit. See Fig. 91.
DTR Control Unit	Under right front seat.
Dynamic Seat Control Module (Left Front)	In left front seat back.
Dynamic Seat Control Module (Right Front)	In right front seat back.
E-Call Control Module	Center of trunk.
Electric Control Unit	Integral to transmission.
Electric Control Unit (VGS)	In transmission.
Electronic Selector Lever Module Control Module (N15/5)	Center console. See Fig. 93.
Electronic Steering Lock Control Module (N25/5)	On steering column. See Fig. 94.
Emergency Call System Control Unit	Center of trunk.
ESP/SPS/BAS (ESP, PML & BAS) Control Module (N47/5)	Left rear of engine compartment. See Fig. 95.
ETC (EGS) Control Module (N15/3)	Behind right side of dash. See Fig. 96.
Frequency Switchover Control Module (N96)	Right side of trunk. See Fig. 97.
Front Passenger Front Seat Adjustment Control Module W/Memory (N32/2)	Under right front seat. See Fig. 98.
Fully Integrated Transmission Control (VGS) Control Unit	Integral to electric control unit (VGS).
Headlight Range Adjustment Control Module	Under right front seat. See Fig. 99.
HRA (LWR) Power Module (Left Shown, Right Similar) (E1n3)	Left Front Of Engine Compartment. See Fig. 100.
HS (SIH) & Seat Ventilation Control Module (N25/7)	Under left front seat. See Fig. 101.
Interior Module Keyless Go Control Module	Center of dash.
Left Front Door Control Module (N69/1)	In driver's door. See Fig. 102.
Left Front Seat Ventilation Blower Regulator	In left front seat back.
Left Rear Door Control Module (N69/3)	Left rear door. See Fig. 103.
ME-SFI (ME) Control Module (N3/10)	Center rear of engine compartment. See Fig. 104.
Navigation Processor	Left side of trunk.
Overhead Control Panel Control Module (N70)	In overhead console. See Fig. 105.
Passenger-Side SAM Control Module (N10/11)	Under right side of dash. See Fig. 106.
PTS Control Module (N62)	Left rear of trunk. See Fig. 107.
Radiator Shutter Control Module (N56)	In right front wheelwell. See Fig. 108.
Rear Axle Level Control System Control Unit (N97)	Right front upper footwell. See Fig. 109.
Rear Door Control Module (N111)	Right side of tailgate. See Fig. 110.
Rear Door Keyless Go Control Module (Left) (N69/8)	Left rear door. See Fig. 111.
Rear Door Keyless Go Control Module (Right) (N69/9)	Right rear door. See Fig. 112.
Rear Module Keyless Go Control Module	Left cargo area.
Restraint Systems Control Module (N2/7)	Front of center control module. See Fig. 113.
Right Front Door Control Module (N69/2)	Right front door. See Fig. 114.
Right Front Seat Ventilation Blower Regulator	In right front seat back.
Right Rear Door Control Module (N69/4)	Right rear door. See Fig. 115.
SBC Control Module (A7/3n1)	Integral to SBC hydraulic unit. See Fig. 116.
SBC Hydraulic Unit	Right front of engine compartment.
SDAR Control Unit	Right rear of trunk.
Solar Generator Control Module (N34/1)	Behind right side of dash. See Fig. 117.
Steering Column Module (N80)	Top of steering column. See Fig. 118.
Steering Wheel Gear Shift Signal Processing Module (N135)	Inside steering wheel. See Fig. 119.
TLC (HDS) Control Module (N121)	Left side of trunk. See Fig. 120.
TPM Control Module (N88)	Left rear of trunk. See Fig. 121.
Universal Portable CTEL Interface (UPCI (UHI)) Control Module (N123/1)	Rear center of trunk. See Fig. 122.
Voice Control System Control Module (A35/11)	Left front of trunk. See Fig. 123.
WSS Control Unit (Weight Sensing System)	Under right front seat.
Xenon Headlight Ignition Module (Left Shown, Right Similar) (E1n1)	On back of respective xenon lamp. See Fig. 124.
Xenon Headlight Supply Module (Left Shown, Right Similar) (E1n4)	Left front of engine compartment. See Fig. 125.

Mercedes-Benz E350 2009 - MOTORS

Mercedes-Benz E350 2009 MOTORS LOCATION

Component	Location
Active Charcoal Filter Flap Adjustment Motor (A32m2)	Behind right side of dash. See Fig. 126.
Actuator Motor (Recirculated Air Flap Actuator)	Rear of engine.
Actuator Motor (Throttle Valve Actuator)	Integral to throttle valve actuator.
AIRmatic Compressor Unit	Lower left front of engine compartment.
Air Pump	Front of engine.
Backrest Forward/Back Motor (Left)	In left front seat back.
Backrest Forward/Back Motor (Right)	In right front seat back.
Blending Air Flap Actuator (Left)	Behind center of dash.
Blending Air Flap Actuator Motor (Left Rear)	Front of center console.
Blending Air Flap Actuator Motor (Right Rear)	Front of center console.
Blending Air Flap Actuator (Right)	Behind center of dash.
Blower Motor	Behind right side of dash.
Blower Motor (Center Console)	Under front of center console.
Center Air Flap Actuator Motor (Left) (M2/12)	Under center of dash. See Fig. 8.
Center Air Flap Actuator Motor (Right) (M2/13)	Under center of dash. See Fig. 9.
Charge Air Cooler Circulation Pump (M44)	Right front of vehicle. See Fig. 127.
Control Module Box Blower Motor	Left rear of engine compartment.
Coolant Circulation Pump (M13)	Right front of engine compartment. See Fig. 128.
Defroster Vent Flap Actuator Motor (Left) (M2/8)	Behind center of dash. See Fig. 8.
Defroster Vent Flap Actuator Motor (Right) (M2/9)	Behind center of dash. See Fig. 9.
Electric Suction Fan Engine & AC With Integrated Control	Front center of engine compartment.
ESC (ELV) Motor Group (M20)	On steering column. See Fig. 128.
Footwell Flap Actuator Motor (Left)	Behind left front of center console.
Footwell Flap Actuator Motor (Right)	Behind right front of center console.
Forward/Back Motor (Left)	Under left front seat.
Forward/Back Motor (Right)	Under right front seat.
Fresh Air/Recirculated Air Flaps Actuator Motor (M2/5)	Under right side of dash. See Fig. 7.
Front Opening Assist Motor (Left)	Rear of left front door.
Front Opening Assist Motor (Right)	Rear of right front door.
Front Up/Down Motor (Left)	Under left front seat.
Front Up/Down Motor (Right)	Under right front seat.
Fuel Filler Flap CL Motor	Right side of trunk.
Fuel Pump (FP)	Under right rear seat, in fuel tank.
HCS Pump (M5/2)	In washer fluid reservoir. See Fig. 129.
Headlight Range Adjustment Motor (Left/Right)	Integral to respective front lamp unit.
Head Restraint Motor (Center Rear)	Center rear of passenger compartment.
Head Restraint Motor (Left Rear)	Left rear of passenger compartment.
Head Restraint Motor (Right Rear)	Right rear of passenger compartment.
Head Restraint Raise/Lower Motor (Left)	In left front seat back.
Head Restraint Raise/Lower Motor (Right)	In right front seat back.
Heat Exchanger Shutoff Motor	Left rear of engine compartment.
Height Adjustment Up/Down Motor (M16/32)	Integral to ESC [ELV] motor group. See Fig. 130.
High-Pressure Charging Pump	Integral to SBC hydraulic unit.
In-Car Temperature Sensor Fan Motor (N70m1)	Integral to Overhead control panel control module. See Fig. 131.
Intake Ports Shutoff Motor (M55)	Top center of engine. See Fig. 14.
Left Exhaust Gas Recirculation Positioner (Y27/9)	Left rear of engine. See Fig. 13.
Left Front Door CL Motor	Left front door.
Left Front Power Window Motor	Left front door.
Left Rear Door CL Motor	Left rear door.
Left Rear Power Window Motor	Left rear door.
Longitudinal Adjustment Forward/Back Motor (M20m1)	Integral to ESC [ELV] motor group. See Fig. 132.
Luggage Compartment Cover Motor (M50)	Center rear of roof. See Fig. 133.
Mirror In/Out Adjustment Motor (Left)	Integral to left electrically adjustable & heated exterior mirror.
Mirror In/Out Adjustment Motor (Right)	Integral to right electrically adjustable & heated exterior mirror.
Mirror Up/Down Adjustment Motor (Left)	Integral to left electrically adjustable & heated exterior mirror.
Mirror Up/Down Adjustment Motor (Right)	Integral to right electrically adjustable & heated exterior mirror.
Multicontour Seat Pneumatic Pump (Sedan)	Left rear of trunk.
Oil Cooler Fan (M4/1)	Under right front of engine compartment. See Fig. 134.
Panoramic Sliding Roof Motor (M12/6m1)	Front center of roof. See Fig. 10.
Pneumatic Pump (Dynamic Seat Control) (Sedan)	Left rear of trunk.
Rear Door Hydraulic Pump (M51/1)	Left side of cargo area. See Fig. 135.
Rear Door Locking Unit	Center rear of tailgate.
Rear Opening Assist Motor (Left)	Rear of left rear door.
Rear Opening Assist Motor (Right)	Rear of right rear door.
Rear Up/Down Motor (Left)	Under left front seat.
Rear Up/Down Motor (Right)	Under right front seat.
Rear Window Blind Motor (M24)	Under rear parcel shelf. See Fig. 136.
Recirculated Air Flap Actuator	At rear of engine.
Right Front Door CL Motor	Right front door.
Right Front Power Window Motor	Right front door.
Right Rear Door CL Motor	Right rear door.
Right Rear Power Window Motor	Right rear door.
Seat Backrest Ventilation Motor Group (Left Front)	In left front seat back.
Seat Backrest Ventilation Motor Group (Right Front)	In right front seat back.
Seat Cushion Ventilation Motor Group (Left Front)	Left front seat cushion.
Seat Cushion Ventilation Motor Group (Right Front)	Right front seat cushion.
Sliding Sunroof Lining Motor (M12/5m1)	Front center of roof. See Fig. 10.
SR (Sliding Roof) Motor (M12m1)	Behind overhead control panel. See Fig. 137.
Starter	Left rear of engine.
Tailgate Washer Fluid Pump (M5/3)	In washer fluid reservoir. See Fig. 138.
Tailgate Wiper Motor	Center of tailgate.
Throttle Valve Actuator (M16/6)	Right front of engine. See Fig. 13.
Trunk Lid Drive Motor (M51/2)	Left side of trunk. See Fig. 139.
UCP Carrier Open & Close Motor (M8)	Under front of center console. See Fig. 140.
Windshield Washer Fluid Pump	In washer fluid reservoir.
Wiper Motor	Rear of engine compartment.

Mercedes-Benz E350 2009 - SENDING UNITS & SENSORS

Mercedes-Benz E350 2009 SENDING UNITS & SENSORS LOCATION

Component	Location
Accelerator Pedal Sensor	Top of accelerator pedal assembly.
AIRmatic Pressure Sensor (B7)	Left front wheelwell. See Fig. 141.
Ambient Temperature Display Temperature Sensor (B14)	Behind left side of front bumper. See Fig. 142.
ATA (EDW) Inclination Sensor	Right "C" pillar.
Brake Pad Contact Sensor (Left Front)	Left front brake assembly.
Brake Pad Contact Sensor (Right Front)	Right front brake assembly.
Brake Pad Contact Sensor (Right Rear)	Right rear brake assembly.
C-AAC (K-KLA) Multifunction Sensor	Left rear of engine compartment.
C-AAC Sun Sensor (4) (B32/2)	Center rear of engine compartment hood. See Fig. 143.
Camshaft Hall Sensor (B6/1)	Right side of engine. See Fig. 14.
Camshaft Hall Sensor (Left Exhaust)	Left front of engine.
Camshaft Hall Sensor (Left Intake)	Left front of engine.
Camshaft Hall Sensor (Right Exhaust)	Right front of engine.
Camshaft Hall Sensor (Right Intake)	Right front of engine.
Charge Air Temperature Sensor (B17/8)	Right front of engine. See Fig. 13.
Charge Pressure Sensor (B5/1)	Right front of engine of engine. See Fig. 13.
Coolant Temperature Sensor (B11/4)	Left side of engine. See Fig. 14.
Crankshaft Hall Sensor (B70)	Left rear of engine. See Fig. 13.
Crankshaft Position Sensor	Left rear of engine.
Driver-Side Frontal Acceleration Sensor	Left front of engine compartment.
Driver-Side Side Air Bag & Window Air Bag Sensor	Under left front seat.
DTR Radar Sensor	Integral to DTR control unit.
EGR (ARF) Vacuum Transducer	Right side of engine.
Evaporator Temperature Sensor (B10/6)	Under left side of dash. See Fig. 144.
Exhaust Back Pressure Sensor (B60)	Rear of engine. See Fig. 14.
Front Axle Level Sensor (B22/2)	Under front of vehicle at axle. See Fig. 3.
Front Axle Pre-Pressure Sensor (A7/3b1)	Integral to SBC hydraulic unit. See Fig. 145.
Fuel Filter Water Level Sensor (B76)	Top rear of engine. See Fig. 15.
Fuel Tank Pressure Sensor (B4/3)	In fuel tank, under left rear seat. See Fig. 146.
Fuel Temperature Sensor (B50)	Left front of engine. See Fig. 13.
Hall Sensor No. 1 (Panoramic Sliding Roof) (1)	Integral to panoramic sliding roof drive unit. See Fig. 10.
Hall Sensor No. 1 (Panoramic Sliding Roof) (2)	Integral to panoramic sliding roof drive unit. See Fig. 10.
Hall Sensor No. 1 (Sliding Roof)	Behind overhead control panel.
Hall Sensor No. 1 (Sliding Sunroof Lining)	Behind overhead control panel.
Hall Sensor No. 2 (Sliding Roof)	Behind overhead control panel.
Hall Sensor No. 2 (Sliding Sunroof Lining)	Behind overhead control panel.
Heater Coil Temperature Sensor	In heated steering wheel.
Hot Film MAF Sensor	Center rear of engine compartment.
In-Car Temperature Sensor (Dash)	Left side of dash, near ignition switch.
In-Car Temperature Sensor (Roof)	Integral to Overhead control panel control module.
Intake Air Temperature Sensor (B2/7b1)	Right rear of engine, integral with right hot film MAF sensor. See Fig. 13.
Intake Air Temperature Sensor (Left) (B2/6b1)	Left rear of engine, integral with left hot film MAF sensor. See Fig. 13.
Internal Speed Sensor (VGS)	Integral to electric control unit (VGS).
Knock Sensor No. 1 (Right) (M272)	Between cylinder banks.
Knock Sensor No. 2 (Left) (M272)	Between cylinder banks.
Left Center Sensor (PTS-Front Bumper)	Left side of front bumper.
Left Front Body Lateral Acceleration Sensor (B24/3)	Left side of engine compartment, on wheelwell. See Fig. 147.
Left Front Level Sensor (B22/8)	Left front wheelwell. See Fig. 148.
Left Front Pressure Sensor	Integral to SBC hydraulic unit.
Left Fuel Level Sensor	In fuel tank, under left rear seat.
Left Hot Film MAF Sensor (B2/6)	Top left rear of engine. See Fig. 13.
Left Inner Sensor (PTS-Front Bumper)	Left side of front bumper.
Left Inner Sensor (PTS-Rear Bumper)	Left side of rear bumper.
Left Intake Manifold Tumble Flap Position Sensor	Left rear of engine.
Left Outer Sensor (PTS-Front Bumper)	Left side of front bumper.
Left Outer Sensor (PTS-Rear Bumper)	Left side of rear bumper.
Left O2 Sensor Downstream TWC (KAT)	In left exhaust, after catalytic converter.
Left O2 Sensor Downstream TWC (KAT)	In right exhaust, after catalytic converter.
Left O2 Sensor Upstream TWC (KAT)	In left exhaust.
Left Rear Pressure Sensor	Integral to SBC hydraulic unit.
Oil Sensor (Level, Temperature & Quality) (B40)	In engine oil pan. See Fig. 149.
Oil Temperature Sensor (B1)	Lower left front of engine. See Fig. 13.
Output Speed Sensor (VGS)	Integral to electric control unit (VGS).
O2 Sensor No. 1 Upstream Of TWC (KAT)	Behind turbocharger.
Passenger Seat Occupied & Child Seat Recognition Sensor (B48)	In right front seat cushion. See Fig. 150.
Passenger-Side Frontal Acceleration Sensor (B48/2)	Right front of engine compartment. See Fig. 151.
Passenger-Side Side Air Bag & Window Air Bag Sensor (A54/1)	Under right front seat. See Fig. 152.
Pressure Sensor	Left front of engine.
Pressure Sensor Downstream Of Air Filter (B28/5)	Left rear of engine compartment. See Fig. 13.
Rail Pressure Sensor (B4/6)	Right rear of engine. See Fig. 14.
Rain/Light Sensor	Behind top center of windshield.
Rear Axle Level Sensor (B22/3)	Under left rear of vehicle at axle. See Fig. 4.
Rear-End Door/Trunk Lid Opening Angle Detection Sensor (Sedan)	Near trunk lid drive motor. See Fig. 153.
Rear-End Door/Trunk Lid Opening Angle Detection Sensor (Wagon)	Rear center of roof. See Fig. 154.
Refrigerant Pressure Sensor (B12)	Left front of engine compartment. See Fig. 155.
Reservoir Sensor	Integral to SBC hydraulic unit.
Right Center Sensor (PTS-Front Bumper)	Right side of front bumper.
Right Front Body Lateral Acceleration Sensor (B24/4)	Right side of engine compartment, on wheelwell. See Fig. 156.
Right Front Level Sensor (B22/9)	Right front wheelwell. See Fig. 157.
Right Front Pressure Sensor	Integral to SBC hydraulic unit.
Right Fuel Level Sensor	In fuel tank, under right rear seat.
Right Hot Film MAF Sensor (B2/7)	Top right rear of engine. See Fig. 13.
Right Inner Sensor (PTS-Front Bumper)	Right side of front bumper.
Right Inner Sensor (PTS-Rear Bumper)	Right side of rear bumper.
Right Intake Manifold Tumble Flap Position Sensor	Right rear of engine.
Right Outer Sensor (PTS-Front Bumper)	Right side of front bumper.
Right Outer Sensor (PTS-Rear Bumper)	Right side of rear bumper.
Right O2 Sensor Upstream TWC (KAT)	In right exhaust.
Right Rear Body Acceleration Sensor	Right rear wheelwell.
Right Rear Pressure Sensor	Integral to SBC hydraulic unit.
RPM Sensor No. 2	Integral to electric control unit.
RPM Sensor No. 3	Integral to electric control unit.
SBC Pedal Value Sensor	Left rear of engine compartment.
Selection Range Sensor (VGS)	Integral to electric control unit (VGS).
Sensor, WSS (Weight Sensing System) (Left Front)	Under right front seat.
Sensor, WSS (Weight Sensing System) (Left Rear)	Under right front seat.
Sensor, WSS (Weight Sensing System) (Right Front)	Under right front seat.
Sensor, WSS (Weight Sensing System) (Right Rear)	Under right front seat.
Steering Angle Sensor (N49)	Integral to steering column module. See Fig. 158.
Temperature Sensor Upstream Of Turbocharger (B19/11)	Rear of engine. See Fig. 15.
TPM [RDK] Wheel Sensor (Left Front) (A69/1)	In left front wheel assembly. See Fig. 2.
TPM (RDK) Wheel Sensor (Left Rear) (A69/3)	In left rear wheel assembly. See Fig. 2.
TPM (RDK) Wheel Sensor (Right Front) (A69/2)	In right front wheel assembly. See Fig. 2.
TPM (RDK) Wheel Sensor (Right Rear) (A69/4)	In right rear wheel assembly. See Fig. 2.
Transmission Oil Temperature Sensor	Integral to electric control unit.
Transmission Oil Temperature Sensor (VGS)	Integral to electric control unit (VGS).
Turn Rate & Lateral Acceleration Sensor (B24/15)	Under right front seat. See Fig. 159.
Wheel Speed Sensor (Left Front)	Left front wheel.
Wheel Speed Sensor (Left Rear)	Left rear wheel.
Wheel Speed Sensor (Right Front)	Right front wheel.
Wheel Speed Sensor (Right Rear)	Right rear wheel.

Mercedes-Benz E350 2009 - SOLENOIDS & SOLENOID VALVES

Mercedes-Benz E350 2009 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
AC Compressor	Left front of engine.
Activated Charcoal Filter Shutoff Valve (Y58)	Right rear wheelwell. See Fig. 160.
Additional Volume Valve (Left Front)	Integral to left front suspension strut AIRmatic valve unit.
Additional Volume Valve (Left Rear)	Integrated into left rear suspension strut.
Additional Volume Valve (Right Front)	Integral to right front suspension strut AIRmatic valve unit.
Additional Volume Valve (Right Rear)	Integrated into right rear suspension strut.
AIRmatic Central Reservoir Charge Valve	Left front wheelwell.
AIRmatic Pressure Reduction Valve	In AIRmatic compressor unit.
Air Pump Switchover Valve	Right front of engine.
Automatic Rear-End Door Closing Control Valve	Left rear of cargo area.
Axle Balance Valve (Front)	Integral to SBC hydraulic unit.
Axle Balance Valve (Rear)	Integral to SBC hydraulic unit.
Axle Damping Valve Unit (Left Front)	Left front axle.
Axle Damping Valve Unit (Left Rear)	Left rear axle.
Axle Damping Valve Unit (Right Front)	Right front axle.
Axle Damping Valve Unit (Right Rear)	Right rear axle.
B1 Brake Control Solenoid Valve (VGS)	Integral to electric control unit (VGS).
B2 Brake Control Solenoid Valve (VGS)	Integral to electric control unit (VGS).
B3 Brake Control Solenoid Valve (VGS)	Integral to electric control unit (VGS).
Camshaft Exhaust Solenoid (Left)	Left front of engine.
Camshaft Exhaust Solenoid (Right)	Right front of engine.
Camshaft Intake Solenoid (Left)	Left front of engine.
Camshaft Intake Solenoid (Right)	Right front of engine.
Fuel Injectors (Cylinder 1, 2 & 3) (M272)	Right side of engine.
Fuel Injectors (Cylinder 1, 2, 3 & 4) (M113)	Right side of engine.
Fuel Injectors (Cylinder 4, 5 & 6) (M272)	Left side of engine.
Fuel Injectors (Cylinder 5, 6, 7 & 8) (M113)	Left side of engine.
Heating System Shutoff Valve	Rear of engine.
High Beam Solenoid (Left/Right)	In respective headlight assembly.
Inlet Control Valve (Left Front)	Integral to SBC hydraulic unit.
Inlet Control Valve (Left Rear)	Integral to SBC hydraulic unit.
Inlet Control Valve (Right Front)	Integral to SBC hydraulic unit.
Inlet Control Valve (Right Rear)	Integral to SBC hydraulic unit.
Intake Manifold Tumble Flap Switchover Valve	Front of engine.
K1 Clutch Control Solenoid Valve (VGS)	Integral to electric control unit (VGS).
K2 Clutch Control Solenoid Valve (VGS)	Integral to electric control unit (VGS).
K3 Clutch Control Solenoid Valve (VGS)	Integral to electric control unit (VGS).
Left Front Separation Valve	Integral to SBC hydraulic unit.
Left RHR (KAF) Release Valve	Integrated into left rear seat backrest.
Level Valve (Left Front)	Integral to left front suspension strut AIRmatic valve unit.
Level Valve (Left Rear)	Integrated in left rear suspension strut.
Level Valve (Right Front)	Integral to right front suspension strut AIRmatic valve unit.
Modulating Pressure Regulating Solenoid Valve	Integral to electric control unit.
Outlet Control Valve (Left Front)	Integral to SBC hydraulic unit.
Outlet Control Valve (Left Rear)	Integral to SBC hydraulic unit.
Outlet Control Valve (Right Front)	Integral to SBC hydraulic unit.
Outlet Control Valve (Right Rear)	Integral to SBC hydraulic unit.
Power Steering Pump Pressure Regulator Valve (Y10/1)	Left front of engine. See Fig. 164.
Pressure Regulator Valve (Y74)	Top left side of engine. See Fig. 14.
Quantity Control Valve (Y94)	Left front of engine. See Fig. 13.
Rear Suspension Strut AIRmatic Valve Unit, Right	Integrated into crown of suspension strut.
Right Boost Pressure Regulator (Diesel)	Right side of engine compartment.
Right Front Separation Valve	Integral to SBC hydraulic unit.
Right RHR (KAF) Release Valve	Integrated into right rear seat backrest.
Shift Pressure Regulating Solenoid Valve	Integral to electric control unit.
Solenoid Valve No. 1 (Left Front)	Integral to left front axle damping valve unit.
Solenoid Valve No. 1 (Left Rear)	Integral to left rear axle damping valve unit.
Solenoid Valve No. 1 (Right Front)	Integral to right front axle damping valve unit.
Solenoid Valve No. 1 (Right Rear)	Integral to right rear axle damping valve unit.
Solenoid Valve No. 2 (Left Front)	Integral to left front axle damping valve unit.
Solenoid Valve No. 2 (Left Rear)	Integral to left rear axle damping valve unit.
Solenoid Valve No. 2 (Right Front)	Integral to right front axle damping valve unit.
Solenoid Valve No. 2 (Right Rear)	Integral to right rear axle damping valve unit.
Supercharger Magnetic Clutch	Front of engine.
Suspension Strut AIRmatic Valve Unit (Left Front)	Integrated in left front suspension strut.
Suspension Strut AIRmatic Valve Unit (Left Rear)	Integrated in left rear suspension strut.
Suspension Strut AIRmatic Valve Unit (Right Front)	Integrated in right front suspension strut.
Suspension Strut AIRmatic Valve Unit (Right Rear)	Integrated in right rear suspension strut.
Three-Disk Thermostat Valve	Front of engine.
Torque Converter Lockup Clutch Control Solenoid Valve (VGS)	Integral to electric control unit (VGS).
Torque Converter Lockup PWM Solenoid Valve	Integral to electric control unit.
Turbine Speed Sensor (VGS)	Integral to electric control unit (VGS).
Variable Intake Manifold Switchover Valve	Front of engine.
Volume Control Valve	Front of engine.
Working Pressure Control Solenoid Valve (VGS)	Integral to electric control unit (VGS).
1-2/4-5 Shift Solenoid Valve	Integral to electric control unit.
3-4 Shift Solenoid Valve	Integral to electric control unit.

Mercedes-Benz E350 2009 - SWITCHES

Mercedes-Benz E350 2009 SWITCHES LOCATION

Component	Location
ATA (EDW) Hood Switch (S62)	Right front of engine compartment. See Fig. 161.
Brake Fluid Level Switch	In brake fluid reservoir.
Coolant Level Indicator Switch	Left front of engine compartment.
Door Contact Switch (Left Front)	Left "B" pillar.
Door Contact Switch (Left Rear)	Left "C" pillar.
Door Contact Switch (Right Front)	Right "B" pillar.
Door Contact Switch (Right Rear)	Right "C" pillar.
Kickdown Switch (C16/6)	Under accelerator pedal. See Fig. 162.
Load Compartment Limit Switch (Right)	Inside right "D" pillar.
Oil Level Check Switch (S43)	Left side of engine oil pan. See Fig. 13.
Parking Brake Indicator Switch	On parking brake assembly.
Pawl Rotary Tumbler Switch	Center of trunk lid.
Power Locking Switch	Center rear of trunk lid.
Seat Belt Buckle Restraint Systems Switch (Driver-Side)	In driver's seat belt buckle assembly.
Seat Belt Buckle Restraint Systems Switch (Passenger-Side)	In front passenger's seat belt buckle assembly.
Starter Lockout Contact	Integral to electric control unit.
Stoplight Switch	Left front upper footwell.
Trunk Lid Contact Switch	Center rear of trunk lid.
Trunk Lid External Operation Switch	Center of trunk lid.
Trunk Lid Lock Switch	Rear center of trunk.
UCP Carrier Motor Limit Switch (M8s1)	Under right front of center console. See Fig. 163.
Windshield Washer Fluid Level Indicator Switch	In washer fluid reservoir.

Mercedes-Benz E350 2009 - MISCELLANEOUS

Mercedes-Benz E350 2009 MISCELLANEOUS LOCATION

Component	Location
Actual Value Potentiometer (Sliding Contact No. 1) (Recirculated Air Flap Actuator)	Integral to recirculated air flap actuator.
Actual Value Potentiometer (Sliding Contact No. 1) (Throttle Valve Actuator)	Integral to throttle valve actuator.
Actual Value Potentiometer (Sliding Contact No. 2) (Recirculated Air Flap Actuator)	Integral to recirculated Air Flap Actuator.
Actual Value Potentiometer (Sliding Contact No. 2) (Throttle Valve Actuator)	Integral to throttle valve actuator.
Alarm Signal Horn	Left front wheelwell.
Amplifier Module No. 1 (Screen Antenna)	Top right of tailgate.
Antenna Amplifier Module, Left	Left "C" pillar.
Antenna Amplifier Module, Right	Right "C" pillar.
Antenna, Left Rear Door (Keyless Go)	Left rear door.
Antenna, Rear Bumper	Rear bumper.
Antenna, Right Rear Door (Keyless Go)	Right rear door.
Antenna, Trunk (Keyless Go)	In trunk.
Auxiliary Battery	Right rear of engine compartment.
Battery	Lower right side of trunk.
Boost Pressure Positioner (Y77/1)	Right rear of engine. See Fig. 14.
Cellular Telephone & GPS Roof Antenna	Rear center of roof.
Data Link Connector	Under left side of dash.
Drive Actual Value Potentiometer (Recirculated Air Flap Actuator)	Integral to recirculated air flap actuator.
Drive Actual Value Potentiometer (Throttle Valve Actuator)	Integral to throttle valve actuator.
Driver Air Bag Squib No. 1	In steering wheel.
Driver Air Bag Squib No. 2	In steering wheel.
Driver Belt Force Limiter	Base of left "B" pillar.
Driver ETR (GUS) Ignition Squib	Base of left "B" pillar.
Driver Side Air Bag Squib	In left front seat back.
Emergency Call System Antenna Splitter	In trunk.
Emergency Call System Left Backup Antenna	Left side of trunk.
Emergency Call System Right Backup Antenna	Right side of trunk.
E-Net Compensator	Right side of trunk.
Fanfare Horn (Right)	Right front of engine compartment.
Fanfare Horns	Left front wheelwell.
Fanfare Horns & Air Bag Clock Spring Contact	Top of steering column.
Front Passenger Air Bag Ignition Squib No. 1	Behind right side of dash.
Front Passenger Air Bag Ignition Squib No. 2	Behind center of dash.
Front Passenger Belt Force Limiter	Base of right "B" pillar.
Front Passenger ETR (GUS) Squib	Base of right "B" pillar.
Garage Door Opener Transmitter Unit	Integral to interior rearview mirror.
Generator	Lower right front of engine.
Glow Plugs (R9)	On cylinder head below rail. See Fig. 14.
Glow Time Output Stage (N14/3)	Top right front of engine. See Fig. 13.
GPS Antenna Splitter	Left side of trunk.
Heater Booster	Behind center console, inside heater box.
Heater Coil	Inside heated steering wheel.
Ignition Coil (Cylinder 1, 2 & 3) (M272)	On engine right cylinder bank.
Ignition Coil (Cylinder 1, 2, 3 & 4) (M113)	On engine right cylinder bank.
Ignition Coil (Cylinder 4, 5 & 6) (M272)	On engine left cylinder bank.
Ignition Coil (Cylinder 5, 6, 7 & 8) (M113)	On engine left cylinder bank.
Left Front IR Receiver	Left front door handle.
Left Rear ETR Ignition Squib	In left "C" pillar.
Mirror Heater (Left)	Integral to left electrically adjustable & heated exterior mirror.
Mirror Heater (Right)	Integral to right electrically adjustable & heated exterior mirror.
Preglow Output	Under left side of engine.
Radio Interference Suppression Capacitor No. 1	Right side of engine.
Radio Interference Suppression Capacitor No. 2	Left side of engine.
Recirculated Air Flap Actual Value Potentiometer	Integral to recirculated air flap actuator.
Reversible Emergency Tensioning Retractor (Left Front)	Base of left "B" pillar.
Reversible Emergency Tensioning Retractor (Right Front)	Base of right "B" pillar.
Right Front IR Receiver	Right front door handle.
Right Rear ETR Ignition Squib	In right "C" pillar.
Right Side Air Bag Ignition Squib	In right front seat back.
SDAR Antenna	Center of trunk lid.
Side Air Bag Ignition Squib (Left Rear)	In left rear door.
Side Air Bag Ignition Squib (Right Rear)	In right rear door.
Solar Cells	Rear of roof.
Sound Amplifier Microphone	Integral to interior rearview mirror.
Spark Plugs (6)	On engine, under ignition coils.
Steering Wheel Heater Electronics	Inside steering wheel.
Tailgate Washer Nozzle Heater	Top left of tailgate.
Throttle Valve Actual Value Potentiometer	Integral to throttle valve actuator.
TPM (RDK) Antenna (Central) (A2/97)	Under left rear of vehicle. See Fig. 1.
TPM (RDK) Wheel Antenna (Left Front)	Left front wheelwell.
TPM (RDK) Wheel Antenna (Left Rear)	Left rear wheelwell.
TPM (RDK) Wheel Antenna (Right Front)	Right front wheelwell.
TPM (RDK) Wheel Antenna (Right Rear)	Right rear wheelwell.
Two-Disk Thermostat Heating Element (R48)	Top center of engine. See Fig. 15.
Vent Line Heater Element (R39/1)	Top center of engine. See Fig. 13.
Washer Nozzle Heater	Right rear of engine hood.
Washer Nozzle Hose Heater	On washer fluid reservoir.
Window Air Bag Squib (Left Front)	In left "A" pillar.
Window Air Bag Squib (Right Front)	In right "A" pillar.

Mercedes-Benz E350 2009 - CONNECTORS

Mercedes-Benz E350 2009 CONNECTORS LOCATION

Component	Location
X4/39 (6 Pin)	Left front doorsill. See Fig. 36.
X11/32 (2 Pin)	Left front doorsill. See Fig. 37.
X18/4 (1 Pin)	Left rear doorsill. See Fig. 38.
X18/35 (2 Pin)	Left front doorsill. See Fig. 39.
X22 (8 Pin)	Left rear of engine compartment. See Fig. 75.
X25/8 (4 Pin)	Left "C" pillar. See Fig. 40.
X26 (8 Pin)	Right rear of engine compartment. See Fig. 41.
X26/12 (4 Pin)	Front of center console. See Fig. 42.
X26/27 (8 Pin)	Left side of front bumper. See Fig. 43.
X28/12 (12 Pin)	Front of center console. See Fig. 44.
X30/4 (2 Pin)	Right front footwell. See Fig. 45.
X30/5 (3 Pin)	Left front door sill. See Fig. 46.
X30/6 (2 Pin)	Right front footwell. See Fig. 47.
X30/7 (2 Pin)	Left front doorsill. See Fig. 48.
X30/8 (10 Pin)	Left front doorsill. See Fig. 49.
X30/9 (10 Pin)	Left front footwell. See Fig. 50.
X30/13 (10 Pin)	Left front doorsill. See Fig. 51.
X35/1 (4 Pin)	Left front door. See Fig. 52.
X35/2 (2 Pin)	Right front door. See Fig. 53.
X35/3 (4 Pin)	Left rear door. See Fig. 54.
X35/4 (4 Pin)	Right rear door. See Fig. 55.
X35/28 (6 Pin)	Left rear of trunk. See Fig. 56.
X36/3 (5 Pin)	Under left rear seat. See Fig. 57.
X38 (4 Pin)	In left "D" pillar. See Fig. 58.
X39/5 (10 Pin)	Center console. See Fig. 59.
X39/48 (10 Pin)	Center console. See Fig. 60.
X39/57 (4 Or 20 Pin)	Center console. See Fig. 61.
X55/3 (4 Or 12 Pin)	Under left front seat. See Fig. 62.
X55/4 (4 Pin)	Under right front seat. See Fig. 63.
X62 (6 Pin)	Left rear of engine compartment. See Fig. 64.
X62/6 (4 Pin)	Right front wheelwell. See Fig. 65.
X62/7 (4 Pin)	Left front wheelwell. See Fig. 66.
X62/8 (6 Pin)	Near center of rear axle. See Fig. 67.
X62/32 (20 Pin)	Left rear wheelwell. See Fig. 68.
X62/33 (12 Pin)	Right rear wheelwell. See Fig. 69.
X103 (2 Pin)	Left end of rear seat. See Fig. 70.

Mercedes-Benz E350 2009 - GROUNDS

Mercedes-Benz E350 2009 GROUNDS LOCATION

Component	Location
W2	Behind right headlight unit. See Fig. 16.
W3/1	Right front of engine compartment. See Fig. 17.
W6 (Sedan)	Left rear wheelhousing. See Fig. 18.
W6 (Wagon)	Left rear wheelhousing. See Fig. 19.
W6/1 (Sedan)	Left rear corner of trunk. See Fig. 20.
W6/1 (Wagon)	Left rear corner of cargo area. See Fig. 21.
W7	On right rear wheelwell. See Fig. 22.
W8/3	Lower right side of tailgate. See Fig. 23.
W8/5	Top right of tailgate. See Fig. 24.
W9	Behind left headlight unit. See Fig. 25.
W10	Right rear of trunk. See Fig. 26.
W11 (M156)	Right front of engine. See Fig. 28.
W11 (M642)	Right front of engine. See Fig. 27.
W11W1 (3.5L)	Top right rear of engine. See Fig. 71.
W11W1 (5.5L)	Top right rear of engine. See Fig. 72.
W11W2 (3.5L)	Top left rear of engine. See Fig. 73.
W11W2 (5.5L)	Top left rear of engine. See Fig. 74.
W11/1	Left front of engine. See Fig. 29.
W11/3	Front center of engine. See Fig. 30.
W15/1	Near right kick panel. See Fig. 31.
W15/2	Near left kick panel. See Fig. 32.
W15/3	Left rear of engine compartment. See Fig. 33.
W17/1	Behind left rear seat. See Fig. 34.
W26	Under center console. See Fig. 35.

Mercedes-Benz E350 2009 - SPLICES

Mercedes-Benz E350 2009 SPLICES LOCATION

Component	Location
Z1	Top center of engine.
Z2	Top left rear of engine.
Z3	Top left rear of engine.
Z3/1	Left rear of engine compartment.
Z3/11z2	Under left side of dash.
Z3/11z2	Left side of dash. See Fig. 76.
Z3/29z1	Left side of engine.
Z3/29z2	Front of engine.
Z4/3	Left side of trunk. See Fig. 77.
Z4/3z1	Left kick panel. See Fig. 78.
Z4/22	Front of center console. See Fig. 79.
Z4/23	Left side of cargo area. See Fig. 80.
Z5z2	Right side of engine.
Z6/1	Left rear of engine.
Z6/8	Left rear of engine compartment.
Z6/20	Left rear of cargo area.
Z6/20z1	Left side of trunk lid.
Z6/20z2	Left side of trunk.
Z6/26	Right side of engine.
Z6/27	Left rear of engine compartment.
Z6/30	In left rear seat back.
Z6/46	Near gear selector.
Z6/46z1	Right kick panel.
Z6/46z2	Right kick panel.
Z6/46	Right front doorsill.
Z6/47z1	Left front doorsill.
Z6/47z2	Right kick panel.
Z6/47z4	Left kick panel.
Z6/49	Right front of engine compartment.
Z6/49z8	Right front of engine compartment.
Z6/50	Left front of engine compartment.
Z6/50z1	Left front of engine compartment.
Z6/50z3	Left rear of engine compartment.
Z6/100	Front of center console.
Z7/1	Upper left end of dash.
Z7/24	Right rear of engine compartment.
Z7/35	Left side of engine compartment.
Z7/35z1	Right side of engine.
Z7/35z2	Left side of engine.
Z7/36	Left side of engine.
Z7/36z1	Right side of engine.
Z7/36z2	Left side of engine.
Z7/38	Left rear of engine compartment.
Z7/38z1	Right side of engine.
Z7/38z2	Rear of engine.
Z7/39	Left rear of engine compartment.
Z7/43z1	Right side of engine.
Z7/43z2	Rear of engine.
Z7/53	Left front doorsill.
Z7/56	Under left side of dash.
Z7/57	Left front doorsill.
Z28/5	Left front doorsill.
Z28/8	Left front doorsill.
Z28/57	Center of trunk.
Z28/62	Left kick panel.
Z28/63	Left kick panel.
Z35/10	Center of trunk.
Z36/12	Left rear of engine compartment.
Z37/6	Under left side of dash.
Z37/7	Under left side of dash.
Z37/8	Left rear of engine compartment.
Z51/15	Under left rear seat.
Z53/9	Under right side of dash.
Z53/9z1	Under right side of dash.
Z53/9z2	Under right side of dash.
Z70/4	Left rear of engine compartment.
Z81/5	Under left side of dash.
Z92	Left rear of engine compartment.
Z111	Under left side of dash.