Mercedes-Benz Mercedes SLK 1996-2004 3.2L V6 Engine Specifications
Explore detailed technical specifications for the 3.2L V6 engine in the 1996-2004 Mercedes SLK. Learn about performance, maintenance, and compatibility for repairs and upgrades.
Overview Specifications
This document provides detailed technical specifications and information about the 3.2L V6 engine used in the 1996-2004 Mercedes SLK. It is designed for enthusiasts, mechanics, and anyone interested in understanding the engine's features, performance, and maintenance. The content is organized into sections for easy navigation and includes a quick reference guide for key specifications. Use the search and navigation instructions to find specific details efficiently.
How to Use
Use the search function to quickly locate specific terms or phrases within the document. Enter keywords related to the engine, such as 'horsepower' or 'torque', to find relevant sections.
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Key Specifications
Displacement
3.2L (3199 cc)
Horsepower
215 hp @ 5700 rpm
Torque
229 lb-ft @ 3000-4600 rpm
Compression Ratio
10.5:1
Redline
6200 rpm
Available Specifications
Engine Specifications
This section covers the core technical specifications of the 3.2L V6 engine, including its displacement, configuration, and key performance metrics. It also provides details on the engine's design and construction.
Engine Specifications
This section covers the core technical specifications of the 3.2L V6 engine, including its displacement, configuration, and key performance metrics. It also provides details on the engine's design and construction.
General Engine Details
- Displacement: 3.2 liters (3199 cc)
- Configuration: V6 with dual overhead camshafts
- Bore x Stroke: 89.9 mm x 84.0 mm
- Compression Ratio: 10.5:1
- Fuel System: Sequential multi-port fuel injection
- Valvetrain: 24-valve DOHC
Performance Metrics
- Horsepower: 215 hp @ 5700 rpm
- Torque: 229 lb-ft @ 3000-4600 rpm
- Redline: 6200 rpm
- 0-60 mph: Approximately 6.9 seconds
Engine Design and Features
This section delves into the design elements and features of the 3.2L V6 engine, highlighting its advanced engineering and technologies that contribute to its performance and efficiency.
Engine Design and Features
This section delves into the design elements and features of the 3.2L V6 engine, highlighting its advanced engineering and technologies that contribute to its performance and efficiency.
Design Highlights
- Aluminum alloy cylinder heads and block
- Lightweight construction for improved efficiency
- Integrated balance shafts for smooth operation
- Variable intake manifold for optimized airflow
Technological Features
- Electronic throttle control
- Knock sensors for optimal combustion
- Hydraulic lifters for reduced maintenance
- Thermostatically controlled cooling system
Maintenance and Service
This section provides essential information on maintaining and servicing the 3.2L V6 engine, including recommended intervals, common issues, and tips for longevity.
Maintenance and Service
This section provides essential information on maintaining and servicing the 3.2L V6 engine, including recommended intervals, common issues, and tips for longevity.
Service Intervals
- Oil change: Every 10,000 miles or 12 months
- Spark plugs: Every 60,000 miles
- Timing belt: Replace every 90,000 miles
- Coolant flush: Every 30,000 miles or 3 years
Common Issues
- Oil leaks from valve cover gaskets
- Worn hydraulic lifters causing noise
- Failing knock sensors affecting performance
- Clogged fuel injectors reducing efficiency
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Engine Specifications
Overview
- Type
- V6
- Configuration
- 60-degree
- Platform
- M112
- Material
- Aluminum alloy
- Location
- Front, longitudinal
Dimensions
- Length
- 21.7 in (551 mm)
- Width
- 28.3 in (719 mm)
- Height
- 25.6 in (650 mm)
- Weight
- 374 lbs (170 kg)
- Displacement
- 3.2L (3199 cc)
- Bore
- 3.46 in (88 mm)
- Stroke
- 3.27 in (83 mm)
Materials
- Block
- Aluminum alloy
- Cylinders
- Aluminum alloy with cast iron liners
- Crankshaft
- Forged steel
- Pistons
- Aluminum alloy
- Valves
- Stainless steel
Features
- Engine Management
-
- Electronic fuel injection
- Variable intake manifold
- Knock control system
- Cooling System
-
- Water-cooled
- Thermostatically controlled
- Electric fan
- Ignition System
-
- Distributorless ignition
- Direct ignition system
- Spark plug monitoring
- Lubrication System
-
- Pressure lubrication
- Oil cooler
- Oil level sensor
- Exhaust System
-
- Dual exhaust
- Catalytic converters
- Oxygen sensors
Safety Features
- Engine Protection
-
- Overheat protection
- Oil pressure warning
- Emissions Control
-
- EGR system
- Catalytic converter
- EVAP system
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Balanced crankshaft
- Hydraulic engine mounts
- Vibration Reduction
-
- Counter-rotating balance shaft
- Hydraulic engine mounts
Accessories
- Belt Driven
-
- Alternator
- Power steering pump
- Air conditioning compressor
- Engine Bay
-
- Engine cover
- Air intake system
- Ignition coils
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter replacement
- Coolant replacement
- 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
- Emissions
- Miles: 80,000Years: 8Coverage: Catalytic converter and emissions system
- Corrosion
- Miles: UnlimitedYears: 12Coverage: Perforation from corrosion
Production Details
- Manufacturer
- Mercedes-Benz
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Quality Control
- Testing: Dyno testinginspection: Visual and automated
- Sustainability Practices
-
- Recycling of aluminum
- Low-emission production
- Production Metrics
- Units Per Day: 150Defect Rate: 0.1%
Service Information for 3.2l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Air filter inspection
- Spark plug inspection
- Belt and hose inspection
- Coolant level check
Use Mercedes-Benz approved oil and filter
- Air filter replacement
- Spark plug replacement
- Fuel filter replacement
- Belt tension check
- Coolant replacement
Inspect for leaks and wear
- Timing belt replacement
- Water pump replacement
- Engine mounts inspection
- Ignition system check
- Exhaust system inspection
Replace timing belt regardless of condition
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.2L V6 engine compatible with other Mercedes models?
Is the 3.2L V6 engine compatible with other Mercedes models?
The 3.2L V6 engine, also known as the M112 engine, was used in various Mercedes-Benz models from 1996 to 2004, including the C-Class, E-Class, and SLK. It is compatible with models that share the same chassis and engine bay specifications. However, modifications may be required for non-standard installations. Always verify compatibility with your vehicle’s VIN or consult a Mercedes technician.
Q2 What are the maintenance requirements for the 3.2L V6 engine?
What are the maintenance requirements for the 3.2L V6 engine?
The 3.2L V6 engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 7,500 miles, spark plug replacement every 60,000 miles, and timing chain inspection every 100,000 miles. Additionally, check the cooling system, air filters, and belts periodically. Adhering to the manufacturer’s maintenance schedule is crucial to prevent engine wear and prolong its lifespan.
Q3 How do I replace the 3.2L V6 engine in a 1996-2004 Mercedes SLK?
How do I replace the 3.2L V6 engine in a 1996-2004 Mercedes SLK?
Replacing the 3.2L V6 engine involves several steps: disconnect the battery, drain fluids, remove the engine mounts, and detach all connected components (e.g., wiring, hoses, and exhaust). Use a hoist to lift the engine out of the bay. Install the new engine by reversing the process, ensuring all connections are secure. Torque bolts to manufacturer specifications and refill fluids. Professional assistance is recommended for this complex procedure.
Q4 What are common troubleshooting steps for the 3.2L V6 engine?
What are common troubleshooting steps for the 3.2L V6 engine?
Common issues with the 3.2L V6 engine include misfires, oil leaks, and overheating. Start by scanning for error codes using an OBD-II scanner. Check spark plugs, ignition coils, and fuel injectors for misfires. Inspect gaskets and seals for oil leaks. For overheating, verify coolant levels and radiator functionality. If problems persist, consult a Mercedes technician for advanced diagnostics.
Q5 How can I optimize the performance of the 3.2L V6 engine?
How can I optimize the performance of the 3.2L V6 engine?
To optimize performance, use high-quality synthetic oil and premium fuel. Upgrade the air intake and exhaust systems for better airflow. Consider remapping the ECU for improved throttle response and horsepower. Regularly clean the fuel injectors and replace worn components. Ensure proper tire pressure and alignment to reduce engine strain. These steps can enhance both power and fuel efficiency.
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 SLK 3.2L V6 Service Manual
Coming SoonDetailed service manual covering maintenance, repairs, and specifications for the 3.2L V6 engine in the 1996-2004 SLK models.
Technical Service Bulletin for M112 Engine Updates
Coming SoonOfficial bulletin addressing common issues and updates for the M112 3.2L V6 engine, including recalls and fixes.
Mercedes 3.2L V6 Parts Catalog
Coming SoonComprehensive catalog listing OEM and aftermarket parts compatible with the 3.2L V6 engine, including part numbers and descriptions.
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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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