Mercedes-Benz Mercedes C-Class 2000-2007 2.6L V6 Engine Specifications
Explore the detailed 2.6L V6 engine specifications for the 2000-2007 Mercedes C-Class. Learn about horsepower, torque, fuel system, and more for performance optimization and maintenance.
Overview Specifications
This document provides detailed specifications and technical information about the 2.6L V6 engine used in the 2000-2007 Mercedes-Benz C-Class. 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 understanding of the engine.
How to Use
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Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Horsepower
168 hp
Torque
177 lb-ft
Displacement
2.6L
Compression Ratio
10.5:1
Fuel Efficiency
18/25 mpg
Available Specifications
Engine Performance
This section covers the performance characteristics of the 2.6L V6 engine, including horsepower, torque, and acceleration. It also provides insights into the engine's responsiveness and fuel efficiency.
Engine Performance
This section covers the performance characteristics of the 2.6L V6 engine, including horsepower, torque, and acceleration. It also provides insights into the engine's responsiveness and fuel efficiency.
Power Output
- Horsepower: 168 hp at 5,500 rpm
- Torque: 177 lb-ft at 4,500 rpm
- 0-60 mph acceleration: 8.5 seconds
- Top speed: 140 mph (electronically limited)
- Fuel efficiency: 18 mpg city / 25 mpg highway
- Engine redline: 6,200 rpm
Engine Design
- Naturally aspirated V6 configuration
- DOHC (Dual Overhead Camshaft) design
- 24-valve setup for optimal airflow
- Aluminum alloy block and cylinder heads
- Hydraulic lifters for reduced maintenance
- Variable valve timing for improved performance
Technical Specifications
This section provides detailed technical specifications of the 2.6L V6 engine, including displacement, compression ratio, and fuel system details. It also covers the engine's dimensions and weight.
Technical Specifications
This section provides detailed technical specifications of the 2.6L V6 engine, including displacement, compression ratio, and fuel system details. It also covers the engine's dimensions and weight.
Engine Dimensions
- Displacement: 2.6 liters (2,598 cc)
- Bore x Stroke: 89.9 mm x 68.2 mm
- Compression ratio: 10.5:1
- Engine weight: 385 lbs (175 kg)
- Oil capacity: 7.5 quarts (7.1 liters)
- Coolant capacity: 11.1 quarts (10.5 liters)
Fuel System
- Sequential multi-port fuel injection
- Fuel type: Premium unleaded (91 octane or higher)
- Fuel tank capacity: 16.4 gallons (62 liters)
- Electronic throttle control
- Emissions compliance: Euro 3 standards
- Catalytic converter included
Maintenance and Reliability
This section focuses on the maintenance requirements and reliability of the 2.6L V6 engine. It includes recommended service intervals, common issues, and tips for ensuring long-term performance.
Maintenance and Reliability
This section focuses on the maintenance requirements and reliability of the 2.6L V6 engine. It includes recommended service intervals, common issues, and tips for ensuring long-term performance.
Service Intervals
- Oil change: Every 10,000 miles or 12 months
- Spark plug replacement: Every 60,000 miles
- Timing belt inspection: Every 90,000 miles
- Coolant flush: Every 50,000 miles
- Air filter replacement: Every 30,000 miles
- Fuel filter replacement: Every 40,000 miles
Common Issues
- Oil leaks from valve cover gaskets
- Worn hydraulic lifters causing ticking noise
- Throttle body sensor failures
- Ignition coil pack degradation
- Coolant leaks from water pump
- Excessive carbon buildup on intake valves
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Engine Specifications
Overview
- Type
- Gasoline V6
- Configuration
- 60-degree V-angle
- Displacement
- 2.6 liters (2597 cc)
- Valvetrain
- DOHC, 4 valves per cylinder
- Location
- Front, longitudinal
- Aspiration
- Naturally aspirated
Dimensions
- Length
- 22.8 inches (579 mm)
- Width
- 27.6 inches (701 mm)
- Height
- 25.2 inches (640 mm)
- Weight
- 385 lbs (175 kg)
- Bore
- 3.35 inches (85 mm)
- Stroke
- 3.07 inches (78 mm)
- Compression Ratio
- 10.0:1
- Oil Capacity
- 6.3 quarts (6.0 liters)
Materials
- Block
- Aluminum alloy
- Cylinder Head
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Ignition System
-
- Distributorless ignition system (DIS)
- Electronic spark advance
- Knock control system
- Fuel System
-
- Sequential multi-port fuel injection
- Electronic throttle control
- Variable intake manifold
- Cooling System
-
- Electric cooling fan
- Thermostatically controlled
- High-capacity radiator
- Lubrication System
-
- Full-flow oil filtration
- Oil cooler
- Variable oil pump
- Emissions Control
-
- Catalytic converter
- Exhaust gas recirculation (EGR)
- Oxygen sensors
Safety Features
- Engine Protection
-
- Overheat protection
- Low oil pressure warning
- Electronic Controls
-
- Engine control unit (ECU)
- Fail-safe cooling mode
- Fire Prevention
-
- Heat shields
- Fuel cut-off in crash
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Dual-mass flywheel
- Climate Control
-
- Auxiliary heater
- Integrated coolant heater
Accessories
- Engine Bay
-
- Air intake system
- Battery
- Alternator
- Cooling System
-
- Radiator
- Coolant reservoir
- Thermostat
- Exhaust System
-
- Exhaust manifold
- Catalytic converter
- Muffler
Maintenance
- Service interval
- Every 10,000 miles or 12 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Coolant flush
- Timing belt inspection
- Maintenance Notes
- Use only Mercedes-Benz approved fluids and parts
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 7Coverage: Engine and transmission
- Corrosion
- Miles: UnlimitedYears: 10Coverage: Perforation only
- Roadside Assistance
- Miles: UnlimitedYears: 4Coverage: 24/7 assistance
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% engine testingTolerances: Micron-level precision
- Sustainability Practices
-
- Recycled aluminum
- Low-emission manufacturing
- Energy-efficient processes
- Production Metrics
- Units Per Year: 50,000Defect Rate: Less than 0.1%
Service Information for 2.6l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check coolant level
- Inspect belts and hoses
- Check ignition system
Use only Mercedes-Benz approved oil and filters
- Replace air filter
- Replace spark plugs
- Inspect fuel system
- Check exhaust system
- Inspect engine mounts
Special tools required for spark plug replacement
- Replace timing belt
- Flush cooling system
- Replace fuel filter
- Inspect valve clearance
- Check compression
Timing belt replacement is critical to prevent engine damage
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 2.6L V6 engine compatible with other Mercedes models?
Is the 2.6L V6 engine compatible with other Mercedes models?
The 2.6L V6 engine, specifically the M112 E26, was primarily designed for the 2000-2007 Mercedes C-Class (W203). While it shares some design similarities with other Mercedes engines, compatibility with other models depends on the chassis and ECU configuration. Always verify with a Mercedes dealer or technical expert before attempting cross-model installations.
Q2 What are the maintenance requirements for the 2.6L V6 engine?
What are the maintenance requirements for the 2.6L V6 engine?
The 2.6L V6 engine requires regular maintenance, including oil changes every 7,500-10,000 miles, spark plug replacement every 60,000 miles, and timing chain inspection every 100,000 miles. Additionally, ensure the cooling system is flushed every 40,000 miles and inspect the engine mounts and belts for wear during routine service intervals.
Q3 How do I replace the 2.6L V6 engine in a 2000-2007 Mercedes C-Class?
How do I replace the 2.6L V6 engine in a 2000-2007 Mercedes C-Class?
Replacing the 2.6L V6 engine involves disconnecting the battery, draining fluids, and removing components like the intake manifold, exhaust system, and wiring harness. Use a hoist to lift the engine out of the bay. Installation is the reverse process, ensuring proper torque specifications for bolts and gaskets. Refer to the service manual for detailed instructions.
Q4 What are common troubleshooting steps for the 2.6L V6 engine?
What are common troubleshooting steps for the 2.6L V6 engine?
Common issues include rough idling, misfires, and oil leaks. Start by checking the ignition system (spark plugs, coils) and fuel injectors. Use an OBD-II scanner to identify error codes. Inspect the timing chain for slack and the valve cover gaskets for leaks. Regular diagnostics and timely repairs can prevent major engine problems.
Q5 How can I optimize the performance of the 2.6L V6 engine?
How can I optimize the performance of the 2.6L V6 engine?
To optimize 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 the fuel filter. Consider a professional ECU remap for improved power and efficiency. Ensure all maintenance tasks are performed on schedule.
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 C-Class W203 Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for the 2000-2007 C-Class, including the 2.6L V6 engine.
Technical Service Bulletin for M112 E26 Engine
Coming SoonDetails common issues, updates, and fixes for the 2.6L V6 engine, including software updates and part replacements.
Mercedes C-Class Parts Catalog
Coming SoonCatalog listing OEM and aftermarket parts for the 2000-2007 C-Class, including engine components for the 2.6L V6.
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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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