Gl450 Won't Start but lights and Ac and radio works..
Tried both keys but to no avail. Could that be Ignition switch

The Mercedes-Benz GL-Class of full-size SUVs gets greener for 2009, thanks to the GL320, which now comes equipped with a next-generation 3.2-liter BlueTEC V6 turbodiesel engine. The fuel-efficient and emissions-friendly engine injects an ammonia-rich urea-based fluid called AdBlue into the engine's exhaust stream to change nitrogen oxides in the engine's exhaust stream into harmless nitrogen and water. Due to emissions problems, previous versions of the diesel-powered GL320 were barred from sale in a number of states, including California, New York, and Pennsylvania. But Mercedes will offer the '09 GL320 BlueTEC SUV for sale in all 50 states.
The GL320's BlueTEC engine produces an acceptable 210 hp and 398 lb-ft of torque at 1,600 rpm, resulting in good acceleration and a spirited ride around town. However, performance suffers a bit at passing speeds, according to reviewers. On the other hand, the GL320 manages about 24 mpg on the highway and 18 in the city, which are respectable numbers for a full-size SUV.
The BlueTEC engine links to a seven-speed automatic transmission, which adds to the SUV's smooth acceleration and fuel efficiency. Drivers should be aware that the AdBlue reservoir must be refilled every 10,000 miles or so, which Mercedes dealers will do during regularly scheduled oil changes. However, drivers who use the GL320 for frequent towing may have to refresh the AdBlue reservoir more frequently.
As in the previous year, the GL-Class also includes the GL450 and GL550, which change little for 2009. A 335-hp, 4.5-liter V8 drives the GL450, which features leather upholstery, hand-polished wood trim, a ride-balancing suspension, and a 7,500-pound towing capacity. The GL550 retains its 382-hp, 5.5-liter V8, which drives the big SUV from 0 to 60 in 6.4 seconds. Other features of the GL550 include multicontour front seats with 10-way power adjustment, a power tailgate, a DVD-based navigation system, and brown Birdseye Maple wood trim. All GL-Class SUVs feature 4Matic four-wheel drive and seat seven passengers.
Tried both keys but to no avail. Could that be Ignition switch
greetings, I have a 2009 Mercedes Gl 450 and I have to change and locate the coil number 8 and I can't find the diagram that locates me, can someone assist me
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I am on vacation in Italy with my American spec mb gl 450. I am carrying a full load with weight and 5 passengers. My brake wear indicator went on and we have about 200 km to get back home. Am I safe to drive it back to my base in northern Italy or do I need to have this done right now. It will be very expensive here. The indicator went on about 75 km ago. Not an expense I planned for on my vacation nor time but I am concerned. I am not doing much driving here and my front brakes just got replaced about 3 months ago.
Air Conditioning
Active charcoal air filtration · Automatic climate control front air conditioning · Dual front air conditioning zones · Automatic climate control rear air conditioning · Single rear air conditioning zones
Airbags
Dual front airbags · Passenger airbag deactivation: occupant sensing deactivation · Rear side airbags · Front side curtain airbags
Audio System
Auxiliary audio input: jack · Hard Drive: 40GB · 6 disc in-dash CD · MP3 player: CD MP3 Playback · Premium Brand: Harman-Kardon · AM/FM radio · Remote CD changer location: in glove compartment · Satellite Radio: Sirius ready · Total Number of Speakers: 8
Brakes
ABS: 4-wheel · Front brakes: ventilated disc · Rear brakes: ventilated disc
Comfort Features
Center console trim: wood · Dash trim: wood · Door trim: wood · Floor Mat Material: carpet · Floor Mats: front · Shift knob trim: alloy · Steering wheel trim: alloy
Convenience Features
Cargo area power outlet: 12V · Cargo cover: retractable · Center console: front console with storage · Cupholders: front, rear and third row · Dimming rearview mirror: auto-dimming · Memorized settings: driver seat · Multi-function remote: keyless entry · One-touch windows: 4 · Parking sensors: front and rear · Power outlet(s): 12V front · Power steering: speed-proportional · Reading lights: front · Rear power outlet: 12V · Steering wheel: tilt and telescopic · Steering wheel mounted controls: phone · Storage: front seatback · Vanity mirrors: dual illuminating
Driver Seat
Adjustable lumbar support: manual · Power adjustments: 8
Drivetrain
4WD Type: full time · Axle ratio: 3.70
Exterior Features
Brush guard: grille · Rear trunk/liftgate: liftgate
Headrests
Front headrests: power adjustable · Number of front headrests: 2 · Number of rear headrests: 3 · Number of third row headrests: 2
In Car Entertainment
Video monitor location: dual rear · Video monitor size: 7 · Video system: DVD player
Instrumentation
Warnings and reminders: coolant temperature warning
Lights
Headlights: auto delay off
Mirrors
Exterior mirrors: heated
Passenger Seat
Adjustable lumbar support: power · Power adjustments: 8
Rear Seats
Type: 40-60 split bench
Roof
3rd Row Sunroof: fixed glass · Roof rack: with crossbars · Roof rack color: black
Safety
Active head restraints: driver · Camera system: rearview · Impact sensor: post-collision safety system
Seatbelts
Rear center seatbelt: 3-point · Seatbelt force limiters: front, rear and third row · Seatbelt pretensioners: front, rear and third row
Seats
Driver seat power adjustments: height · Front seat type: bucket · Passenger seat power adjustments: height · Rear headrests: adjustable · Rear seat folding: split · Rear seat manual adjustments: reclining · Third row seat folding: split · Upholstery: leather
Spare Tire
Mount Location: inside · Size: temporary
Spare Wheel
Rim Type: steel
Suspension
Driver Adjustable Suspension: height · Front Spring Type: pneumatic springs · Front Suspension Classification: independent · Front Suspension Type: double wishbones · Leveling: self leveling suspension · Rear Spring Type: pneumatic springs · Rear Suspension Classification: independent · Rear Suspension Type: multi-link · Stabilizer bar(s): rear
Telematics
Satellite communications: TeleAid
Third Row Seat
Type: split-bench
Tires
Type: all season
Tires and Rims
Wheels: alloy
Windows
Front wipers: variable intermittent · Liftgate window: fixed · Power windows: remote operation · Rear wiper: intermittent
Air Conditioning
Active charcoal air filtration · Automatic climate control front air conditioning · Dual front air conditioning zones · Automatic climate control rear air conditioning · Single rear air conditioning zones
Airbags
Dual front airbags · Passenger airbag deactivation: occupant sensing deactivation · Rear side airbags · Rear side curtain airbags
Audio System
Auxiliary audio input: jack · Hard Drive: 4GB · 6 disc in-dash CD · MP3 player: CD MP3 Playback · Premium Brand: Harman-Kardon · AM/FM radio · Remote CD changer location: in glove compartment · Satellite Radio: Sirius ready · Total Number of Speakers: 8
Brakes
ABS: 4-wheel · Front brakes: ventilated disc · Rear brakes: ventilated disc
Comfort Features
Center console trim: wood · Dash trim: wood · Door trim: wood · Floor Mat Material: carpet · Floor Mats: front · Shift knob trim: alloy · Steering wheel trim: leather and wood
Convenience Features
Cargo area power outlet: 12V · Cargo cover: retractable · Center console: front console with storage · Cupholders: front · Dimming rearview mirror: auto-dimming · Memorized settings: passenger seat · Multi-function remote: keyless entry · One-touch windows: 4 · Parking sensors: front and rear · Power outlet(s): 115V · Power steering: speed-proportional · Reading lights: rear · Rear power outlet: 12V · Steering wheel: tilt and telescopic · Steering wheel mounted controls: audio · Storage: cargo tie-down anchors and hooks · Vanity mirrors: dual illuminating
Driver Seat
Adjustable lumbar support: manual · Power adjustments: 8
Drivetrain
4WD Type: full time · Axle ratio: 3.70
Exterior Features
Brush guard: grille · Rear trunk/liftgate: liftgate
Headrests
Front headrests: adjustable · Number of front headrests: 2 · Number of rear headrests: 3 · Number of third row headrests: 2
In Car Entertainment
Video monitor location: dual rear · Video monitor size: 7 · Video system: DVD player
Instrumentation
Warnings and reminders: low oil pressure
Lights
Headlights: Auto on
Mirrors
Exterior mirrors: integrated turn signals
Passenger Seat
Adjustable lumbar support: power · Power adjustments: 8
Rear Seats
Type: 40-60 split bench
Roof
3rd Row Sunroof: fixed glass · Roof rack: with crossbars · Roof rack color: black
Safety
Active head restraints: driver · Camera system: rearview · Impact sensor: post-collision safety system
Seatbelts
Rear center seatbelt: 3-point · Seatbelt force limiters: front, rear and third row · Seatbelt pretensioners: front and rear
Seats
Driver seat power adjustments: height · Front seat type: bucket · Passenger seat power adjustments: height · Rear headrests: adjustable · Rear seat folding: split · Rear seat manual adjustments: reclining · Third row seat folding: power · Upholstery: leatherette
Suspension
Driver Adjustable Suspension: height · Front Spring Type: pneumatic springs · Front Suspension Classification: independent · Front Suspension Type: double wishbones · Leveling: self leveling suspension · Rear Spring Type: pneumatic springs · Rear Suspension Classification: independent · Rear Suspension Type: multi-link · Stabilizer bar(s): front
Telematics
Satellite communications: TeleAid
Third Row Seat
Type: split-bench
Tires
Type: all season
Tires and Rims
Wheels: alloy
Windows
Front wipers: variable intermittent · Liftgate window: fixed · Power windows: remote operation · Rear wiper: intermittent
Air Conditioning
Active charcoal air filtration · Automatic climate control front air conditioning · Dual front air conditioning zones · Automatic climate control rear air conditioning · Single rear air conditioning zones
Airbags
Dual front airbags · Passenger airbag deactivation: occupant sensing deactivation · Rear side airbags · Rear side curtain airbags
Audio System
6 disc in-dash CD · MP3 player: CD MP3 Playback · Premium Brand: Harman-Kardon · AM/FM radio · Rear audio: rear volume control · Remote CD changer location: in glove compartment · Satellite Radio: SiriusXM · 1 subwoofer · Surround audio: 5.1 · Total Number of Speakers: 14
Brakes
ABS: 4-wheel · Front brakes: ventilated disc · Rear brakes: ventilated disc
Comfort Features
Center console trim: wood · Dash trim: wood · Door trim: wood · Floor Mat Material: carpet · Floor Mats: front · Shift knob trim: alloy · Steering wheel trim: wood
Convenience Features
Cargo area power outlet: 12V · Cargo cover: retractable · Center console: front console with storage · Cupholders: front · Dimming rearview mirror: auto-dimming · Memorized settings: driver seat · Multi-function remote: keyless entry · One-touch windows: 4 · Power outlet(s): 12V front · Power steering: speed-proportional · Reading lights: front · Rear power outlet: 12V · Steering wheel: tilt and telescopic · Steering wheel mounted controls: audio · Storage: front seatback · Sunshade: power rear window · Vanity mirrors: dual illuminating
Driver Seat
Adjustable lumbar support: manual · Power adjustments: 8
Drivetrain
4WD Type: full time · Axle ratio: 3.70
Exterior Features
Grille color: chrome · Rear trunk/liftgate: power operated
Headrests
Front headrests: power adjustable · Number of front headrests: 2 · Number of rear headrests: 3 · Number of third row headrests: 2
In Car Entertainment
Video monitor location: dual rear · Video monitor size: 7 · Video system: DVD player
Instrumentation
Warnings and reminders: coolant temperature warning
Lights
Headlights: HID
Mirrors
Exterior mirrors: heated driver mirror
Passenger Seat
Power adjustments: 8
Rear Seats
Type: 40-60 split bench
Roof
3rd Row Sunroof: fixed glass · Moonroof: power glass · Roof rack: with crossbars · Roof rack color: black
Safety
Active head restraints: driver · Camera system: rearview · Impact sensor: post-collision safety system
Seatbelts
Rear center seatbelt: 3-point · Seatbelt force limiters: front · Seatbelt pretensioners: front, rear and third row
Seats
Driver seat power adjustments: height · Front seat type: bucket · Heated: front seats · Passenger seat power adjustments: height · Rear headrests: adjustable · Rear seat folding: split · Rear seat manual adjustments: reclining · Third row seat folding: power · Upholstery: leather · Ventilated: front
Spare Tire
Mount Location: inside · Size: temporary
Spare Wheel
Rim Type: steel
Suspension
Driver Adjustable Suspension: height · Front Spring Type: pneumatic springs · Front Suspension Classification: independent · Front Suspension Type: double wishbones · Leveling: self leveling suspension · Rear Spring Type: pneumatic springs · Rear Suspension Classification: independent · Rear Suspension Type: multi-link · Stabilizer bar(s): front
Telematics
Navigation system: touch screen display · Phone wireless data link: Bluetooth · Satellite communications: TeleAid
Third Row Seat
Type: split-bench
Tires
Type: all season
Windows
Front wipers: variable intermittent · Liftgate window: fixed · Power windows: remote operation · Rear wiper: intermittent