Mercedes-Benz Mercedes CLS 2010-2017 3.5L V6 Engine Specifications
Explore the detailed 3.5L V6 engine specifications for the 2010-2017 Mercedes-Benz CLS. Learn about horsepower, torque, fuel efficiency, and maintenance tips. Ideal for owners, technicians, and enthusiasts.
Overview Specifications
This document provides detailed specifications and technical information about the 3.5L V6 engine used in the 2010-2017 Mercedes-Benz CLS. It is designed for enthusiasts, mechanics, and anyone interested in understanding the engine's performance, design, and maintenance. The document is organized into sections covering key aspects such as performance, design, fuel efficiency, and maintenance. Use the search and navigation instructions to quickly find the information you need.
How to Use
Use the search function to quickly locate specific terms or phrases related to the 3.5L V6 engine. Enter keywords such as 'horsepower' or 'torque' to find relevant sections.
Navigate through the document using the table of contents or by scrolling through the sections. Each section is clearly labeled and contains subsections with detailed information.
Key Specifications
Horsepower
302 hp
Torque
273 lb-ft
Displacement
3.5 liters
Fuel Economy
20 mpg combined
Top Speed
155 mph
Available Specifications
Performance
This section covers the performance metrics of the 3.5L V6 engine, including horsepower, torque, and acceleration. It also provides details on the engine's responsiveness and driving dynamics.
Performance
This section covers the performance metrics of the 3.5L V6 engine, including horsepower, torque, and acceleration. It also provides details on the engine's responsiveness and driving dynamics.
Power Output
- Horsepower: 302 hp
- Torque: 273 lb-ft
- Redline: 7,200 rpm
- 0-60 mph: 6.1 seconds
- Top speed: 155 mph (electronically limited)
- Power delivery: Smooth and linear
Driving Dynamics
- Acceleration: Quick and responsive
- Throttle response: Immediate
- Engine sound: Sporty and refined
- Transmission: 7-speed automatic
- Drivetrain: Rear-wheel drive (optional 4MATIC all-wheel drive)
Design
This section delves into the design aspects of the 3.5L V6 engine, including its construction, materials, and layout. It also highlights the engine's compactness and weight distribution.
Design
This section delves into the design aspects of the 3.5L V6 engine, including its construction, materials, and layout. It also highlights the engine's compactness and weight distribution.
Construction
- Engine type: Naturally aspirated V6
- Displacement: 3.5 liters
- Cylinder arrangement: 60-degree V-angle
- Block material: Aluminum
- Head material: Aluminum
- Valvetrain: DOHC, 4 valves per cylinder
Compactness
- Weight: Approximately 375 lbs
- Dimensions: Compact for easy installation
- Packaging: Optimized for rear-wheel drive layout
- Cooling system: Efficient and lightweight
- Accessory drive: Belt-driven
Fuel Efficiency
This section provides information on the fuel efficiency of the 3.5L V6 engine, including EPA ratings, real-world mileage, and technologies used to improve efficiency.
Fuel Efficiency
This section provides information on the fuel efficiency of the 3.5L V6 engine, including EPA ratings, real-world mileage, and technologies used to improve efficiency.
Fuel Economy
- EPA city: 18 mpg
- EPA highway: 25 mpg
- Combined: 20 mpg
- Real-world city: 16-18 mpg
- Real-world highway: 23-25 mpg
- Fuel type: Premium unleaded
Efficiency Technologies
- Direct injection: Yes
- Variable valve timing: Yes
- Start-stop system: Optional
- Thermal management: Optimized for efficiency
- Aerodynamics: Designed to reduce drag
Maintenance
This section outlines the maintenance requirements for the 3.5L V6 engine, including service intervals, common issues, and recommended practices to ensure longevity.
Maintenance
This section outlines the maintenance requirements for the 3.5L V6 engine, including service intervals, common issues, and recommended practices to ensure longevity.
Service Intervals
- Oil change: Every 10,000 miles
- Spark plugs: Every 60,000 miles
- Air filter: Every 30,000 miles
- Coolant flush: Every 100,000 miles
- Timing chain: Lifetime (no replacement needed)
- Transmission service: Every 40,000 miles
Common Issues
- Carbon buildup: Minimal due to direct injection
- Oil consumption: Normal, monitor regularly
- Coolant leaks: Rare, inspect during service
- Ignition coil failure: Occasional, replace as needed
- Engine mounts: Check for wear over time
Search Specifications
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Engine Specifications
Overview
- Type
- V6
- Configuration
- 60-degree
- Platform
- M276
- Material
- Aluminum block and heads
- Location
- Front longitudinal
Dimensions
- Length
- 20.5 inches (521 mm)
- Width
- 28.3 inches (719 mm)
- Height
- 27.6 inches (701 mm)
- Weight
- 374 lbs (170 kg)
- Displacement
- 3.5 liters (3498 cc)
- Bore
- 3.27 inches (83 mm)
- Stroke
- 3.46 inches (88 mm)
Materials
- Engine Block
- Aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Fuel System
-
- Direct injection
- Multi-point injection
- Variable fuel pressure
- Ignition System
-
- Coil-on-plug
- Electronic ignition
- Multiple spark discharge
- Cooling System
-
- Liquid cooling
- Dual thermostats
- Electric water pump
- Emissions Control
-
- Catalytic converters
- Exhaust gas recirculation
- Variable valve timing
- Performance Enhancements
-
- Turbocharging
- Variable intake manifold
- Electronic throttle control
Safety Features
- Engine Protection
-
- Overheat protection
- Low oil pressure shutdown
- Knock sensor detection
- Emissions Safety
-
- Oxygen sensor monitoring
- Evaporative emissions control
- Secondary air injection
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Dual-mass flywheel
- Hydraulic engine mounts
- Vibration Control
-
- Balance shafts
- Active engine mounts
- Damped crankshaft pulley
- Climate Control
-
- Auxiliary heating
- Engine pre-heating
- Climate control integration
Accessories
- Engine Bay
-
- Auxiliary power take-off
- Engine cover
- Air intake system
- Cooling System
-
- Radiator
- Intercooler
- Oil cooler
- Exhaust System
-
- Exhaust manifolds
- Catalytic converters
- Mufflers
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter replacement
- Coolant flush
- Timing chain inspection
- 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: 70,000Years: 5Coverage: Engine and transmission
- Corrosion Warranty
- Miles: UnlimitedYears: 12Coverage: Perforation only
- Roadside Assistance
- Miles: UnlimitedYears: 4Coverage: 24/7 roadside assistance
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% inspection of critical componentsTesting: Dyno testing of every engineCertification: ISO 9001 certified
- Sustainability Practices
-
- Recyclable materials
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Annual Production: Approx. 100,000 unitsProduction Time: 12 hours per engineDefect Rate: Less than 0.1%
Service Information for 3.5l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Air filter inspection
- Coolant level check
- Spark plug inspection
- Timing chain inspection
Use only Mercedes-Benz approved fluids and parts.
- Replace spark plugs
- Replace air filter
- Check and adjust valve clearance
- Inspect and clean fuel injectors
- Check and replace drive belts if necessary
Special tools required for valve clearance adjustment.
- Replace timing chain
- Replace water pump
- Flush and replace coolant
- Inspect and replace engine mounts
- Perform full engine diagnostics
Major service interval, recommend dealer service.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.5L V6 engine compatible with other Mercedes models from 2010-2017?
Is the 3.5L V6 engine compatible with other Mercedes models from 2010-2017?
The 3.5L V6 engine, specifically the M276 DE35, is compatible with several Mercedes-Benz models from 2010-2017, including the E-Class, S-Class, and GLK-Class. However, compatibility depends on the specific model year and configuration. Always verify with the vehicle’s VIN and consult the manufacturer’s technical documentation to ensure proper fitment and functionality.
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 periodically, and flush the coolant system every 50,000 miles. Adhering to the manufacturer’s maintenance schedule is crucial for longevity.
Q3 How do I install or replace the 3.5L V6 engine in a 2010-2017 Mercedes CLS?
How do I install or replace the 3.5L V6 engine in a 2010-2017 Mercedes CLS?
Replacing the 3.5L V6 engine involves several steps: disconnect the battery, drain fluids, and remove components like the intake manifold, exhaust system, and wiring harness. Use a hoist to remove the engine and install the new unit, ensuring all connections are secure. Reassemble components, refill fluids, and perform a thorough inspection. Professional installation is recommended due to the complexity of the process.
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 include rough idling, reduced power, and check engine lights. Start by scanning for error codes using an OBD-II scanner. Check for vacuum leaks, inspect spark plugs and ignition coils, and ensure the fuel injectors are functioning properly. If the timing chain is noisy or the engine misfires, inspect the timing components and replace as necessary. Consult a professional for advanced diagnostics.
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 performance, use high-quality synthetic oil and ensure regular maintenance. Consider upgrading the air intake and exhaust systems for improved airflow. A performance tune can enhance horsepower and torque. Avoid aggressive driving and ensure the engine is properly warmed up before pushing it to higher RPMs. Regularly monitor engine health using diagnostic tools.
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 CLS-Class Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and technical specifications for the 2010-2017 Mercedes CLS-Class, including the 3.5L V6 engine.
Technical Service Bulletin: Engine Performance Updates
Coming SoonThis bulletin addresses common performance issues and software updates for the 3.5L V6 engine in Mercedes vehicles from 2010-2017.
Mercedes-Benz Genuine Parts Catalog
Coming SoonOfficial catalog of genuine parts and accessories for the 2010-2017 Mercedes CLS-Class, including components for 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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