Mercedes-Benz Mercedes GLK 2008-2015 3.5L V6 Engine Specifications
Explore the detailed 3.5L V6 engine specifications for the 2008-2015 Mercedes GLK. This guide covers horsepower, torque, fuel system, and more, providing essential insights for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 3.5L V6 engine used in the 2008-2015 Mercedes GLK. It is designed to assist enthusiasts, mechanics, and owners in understanding the engine's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly find relevant information or explore the sections for a comprehensive breakdown of the engine's components and capabilities.
How to Use
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Scroll through the sections to explore major topics like performance, fuel efficiency, and maintenance. Click on subsection titles to expand and view detailed technical points.
Key Specifications
Displacement
3.5 liters
Horsepower
302 hp
Torque
273 lb-ft
Fuel Economy
18 mpg combined
Top Speed
130 mph
Available Specifications
Performance Specifications
This section covers the key performance metrics of the 3.5L V6 engine, including horsepower, torque, and acceleration. It also provides insights into the engine's responsiveness and driving dynamics.
Performance Specifications
This section covers the key performance metrics of the 3.5L V6 engine, including horsepower, torque, and acceleration. It also provides insights into the engine's responsiveness and driving dynamics.
Power Output
- Horsepower: 302 hp @ 6,500 rpm
- Torque: 273 lb-ft @ 3,500 rpm
- 0-60 mph acceleration: 6.5 seconds
- Top speed: 130 mph (electronically limited)
Engine Design
- Naturally aspirated V6 configuration
- DOHC (Dual Overhead Camshaft) design
- Aluminum block and cylinder heads
- Variable valve timing for optimized performance
Fuel Efficiency
This section details the fuel economy and efficiency of the 3.5L V6 engine, including EPA ratings and real-world driving conditions. It also highlights technologies that contribute to its efficiency.
Fuel Efficiency
This section details the fuel economy and efficiency of the 3.5L V6 engine, including EPA ratings and real-world driving conditions. It also highlights technologies that contribute to its efficiency.
Fuel Economy
- EPA-estimated city mileage: 16 mpg
- EPA-estimated highway mileage: 22 mpg
- Combined fuel economy: 18 mpg
- Fuel tank capacity: 17.4 gallons
Efficiency Technologies
- Direct fuel injection system
- ECO start/stop function (optional)
- Low-friction engine components
- Optimized combustion chamber design
Maintenance and Durability
This section provides information on the engine's maintenance requirements, durability, and common service intervals. It also covers recommended fluids and parts for optimal performance.
Maintenance and Durability
This section provides information on the engine's maintenance requirements, durability, and common service intervals. It also covers recommended fluids and parts for optimal performance.
Service Intervals
- Oil change interval: 10,000 miles or 1 year
- Spark plug replacement: 60,000 miles
- Timing chain (non-replaceable under normal conditions)
- Coolant flush: Every 50,000 miles
Durability Features
- Forged steel crankshaft
- High-strength aluminum pistons
- Thermal management system
- Corrosion-resistant coatings
Search Specifications
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Engine Specifications
Overview
- Type
- Naturally aspirated V6
- Configuration
- 60-degree V-angle
- Platform
- M272 engine series
- Material
- Aluminum block and heads
- Location
- Front longitudinal
- Displacement
- 3.5 liters (3498 cc)
Dimensions
- Length
- 24.8 inches (630 mm)
- Width
- 28.3 inches (720 mm)
- Height
- 27.6 inches (700 mm)
- Weight
- 375 lbs (170 kg)
- Bore
- 3.7 inches (92.9 mm)
- Stroke
- 3.5 inches (86.0 mm)
- Compression Ratio
- 10.7:1
- Oil Capacity
- 7.4 quarts (7.0 liters)
Materials
- Engine Block
- Aluminum alloy with silicon coating
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Hollow sodium-filled exhaust valves
Features
- Fuel System
-
- Sequential multi-port fuel injection
- Electronic throttle control
- Variable intake manifold
- Ignition System
-
- Direct ignition system
- Platinum-tipped spark plugs
- Coil-on-plug design
- Valvetrain
-
- Dual overhead camshafts (DOHC)
- Variable valve timing (VVT)
- 4 valves per cylinder
- Cooling System
-
- Electric cooling fan
- High-capacity radiator
- Thermostatically controlled
- Lubrication System
-
- Full-pressure lubrication
- Oil cooler
- Variable displacement oil pump
Safety Features
- Engine Protection
-
- Knock control system
- Over-rev protection
- Low oil pressure warning
- Emissions
-
- Catalytic converters
- Exhaust gas recirculation (EGR)
- OBD-II compliance
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Balanced crankshaft
- Smooth Operation
-
- Dual-mass flywheel
- Variable valve timing
- Electronic throttle control
Accessories
- Engine Bay
-
- Integrated alternator
- Power steering pump
- Air conditioning compressor
- Cooling System
-
- High-capacity radiator
- Electric cooling fan
- Thermostat housing
- intake System
-
- Air filter housing
- Mass airflow sensor
- Throttle body
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Timing chain inspection
- Coolant flush
- Maintenance Notes
- Use only Mercedes-Benz approved fluids and parts for optimal performance.
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Bumper-to-bumper
- Powertrain Warranty
- Miles: 100,000Years: 7Coverage: Engine and transmission
- Emissions Warranty
- Miles: 70,000Years: 8Coverage: Catalytic converter and ECU
- Corrosion Warranty
- Miles: UnlimitedYears: 30Coverage: Perforation from corrosion
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Casting of aluminum block
- CNC machining of cylinder heads
- Precision assembly
- Quality Control
- Testing: Cold and hot testing, Leak testing, Dyno testingStandards: ISO 9001, ISO 14001
- Sustainability Practices
-
- Recycling of aluminum scrap
- Low-emission manufacturing
- Energy-efficient production
- Production Metrics
- Units Produced: Over 500,000Production Years: 2004-2015Production Locations: Stuttgart, Germany, Tuscaloosa, USA
Service Information for 3.5l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check spark plugs
- Inspect timing chain
- Check coolant level
Use Mercedes-Benz approved 5W-40 synthetic oil.
- Replace spark plugs
- Replace air filter
- Inspect fuel injectors
- Check valve clearance
- Inspect serpentine belt
Replace with OEM parts for optimal performance.
- Replace timing chain
- Replace water pump
- Flush cooling system
- Replace serpentine belt
- Inspect engine mounts
Major service interval; requires specialized tools and expertise.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.5L V6 engine compatible with other Mercedes models from 2008-2015?
Is the 3.5L V6 engine compatible with other Mercedes models from 2008-2015?
The 3.5L V6 engine (M272) used in the 2008-2015 Mercedes GLK is compatible with several other Mercedes-Benz models from the same era, including the C-Class, E-Class, and ML-Class. However, compatibility depends on the specific model and year, as well as the engine control unit (ECU) and transmission configurations. Always verify with a Mercedes-Benz dealer or technical guide before attempting cross-model installations.
Q2 What are the maintenance requirements for the 3.5L V6 engine?
What are the maintenance requirements for the 3.5L V6 engine?
The 3.5L V6 engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 10,000 miles or annually, spark plug replacement every 60,000 miles, and air filter replacement every 30,000 miles. Additionally, inspect the timing chain and tensioner for wear, as these are known issues in the M272 engine. Adhering to the manufacturer's maintenance schedule is crucial for longevity.
Q3 How do I replace the 3.5L V6 engine in a Mercedes GLK?
How do I replace the 3.5L V6 engine in a Mercedes GLK?
Replacing the 3.5L V6 engine in a Mercedes GLK involves several steps: disconnect the battery, drain fluids, remove the intake manifold, disconnect wiring harnesses and hoses, and unbolt the engine mounts. Use a hoist to lift the engine out. Installation is the reverse process, ensuring all connections are secure and torqued to specifications. Refer to the service manual for detailed instructions and torque values.
Q4 What are common troubleshooting steps for the 3.5L V6 engine?
What are common troubleshooting steps for the 3.5L V6 engine?
Common issues with the 3.5L V6 engine include rough idling, misfires, and timing chain noise. Start by scanning for error codes using an OBD-II scanner. Check spark plugs, ignition coils, and fuel injectors for faults. Inspect the timing chain and tensioner for wear. If the engine overheats, verify the coolant level and thermostat functionality. Addressing these issues early can prevent further damage.
Q5 How can I optimize the performance of the 3.5L V6 engine?
How can I optimize the performance of the 3.5L V6 engine?
To optimize the 3.5L V6 engine's performance, use high-quality synthetic oil and premium fuel. Upgrade the air intake and exhaust systems for better airflow. Regularly clean the throttle body and replace worn components like spark plugs and ignition coils. Consider a professional ECU tune to enhance power and efficiency. Proper maintenance and timely repairs are key to sustaining performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Mercedes-Benz GLK 3.5L V6 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 3.5L V6 engine in the 2008-2015 Mercedes GLK.
Technical Service Bulletin: Timing Chain Tensioner Update
Coming SoonDetails a factory update for the timing chain tensioner in the M272 engine, addressing common noise and wear issues.
Mercedes-Benz GLK Parts Catalog
Coming SoonCatalog listing OEM and aftermarket parts compatible with the 2008-2015 Mercedes GLK, including the 3.5L V6 engine.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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