Mercedes-Benz Mercedes M-Class 2011-2015 Suspension Specifications
Explore the detailed suspension specifications for the 2011-2015 Mercedes M-Class. Learn about front and rear suspension types, shock absorbers, spring rates, and alignment settings for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the suspension system of the 2011-2015 Mercedes-Benz M-Class. It is designed to assist mechanics, enthusiasts, and owners in understanding the components, features, and maintenance of the vehicle's suspension. The content is organized into sections covering front and rear suspension, suspension types, and key specifications. Use the search and navigation instructions to quickly find the information you need.
How to Use
To search for specific terms, use the search bar at the top of the page. Enter keywords like 'front suspension' or 'shock absorbers' to locate relevant information quickly.
Use the table of contents to jump to specific sections. Each section is divided into subsections for easy access to detailed technical points.
Key Specifications
Front Suspension Type
MacPherson Strut
Rear Suspension Type
Multi-Link
Shock Absorber Type
Gas-Filled
Optional Suspension
AIRMATIC Air
Ride Height Adjustment
Yes (AIRMATIC)
Available Specifications
Front Suspension
The front suspension of the 2011-2015 Mercedes-Benz M-Class is designed to provide a balance of comfort and performance. This section covers the key components, including the strut assembly, control arms, and stabilizer bar, as well as their functions and maintenance tips.
Front Suspension
The front suspension of the 2011-2015 Mercedes-Benz M-Class is designed to provide a balance of comfort and performance. This section covers the key components, including the strut assembly, control arms, and stabilizer bar, as well as their functions and maintenance tips.
Strut Assembly
- MacPherson strut design for compactness and efficiency
- Integrated coil spring and shock absorber
- Aluminum construction for reduced weight
- Maintenance-free design for durability
Control Arms
- Double-wishbone configuration for precise handling
- Rubber bushings for noise reduction
- Forged aluminum for strength and lightness
- Regular inspection for wear and tear recommended
Rear Suspension
The rear suspension system of the M-Class ensures stability and load-bearing capacity. This section details the multi-link setup, coil springs, and shock absorbers, along with their roles in enhancing ride quality and handling.
Rear Suspension
The rear suspension system of the M-Class ensures stability and load-bearing capacity. This section details the multi-link setup, coil springs, and shock absorbers, along with their roles in enhancing ride quality and handling.
Multi-Link Setup
- Independent multi-link design for superior ride comfort
- Five links per wheel for precise control
- Aluminum components to reduce unsprung weight
- Self-leveling feature on select models
Coil Springs and Shock Absorbers
- Progressive-rate coil springs for varying load conditions
- Gas-filled shock absorbers for consistent damping
- Optional AIRMATIC air suspension for adjustable ride height
- Regular inspection for leaks and wear required
Suspension Types
The 2011-2015 M-Class offers different suspension types, including standard and optional systems. This section explains the features and benefits of each type, helping you understand their impact on performance and comfort.
Suspension Types
The 2011-2015 M-Class offers different suspension types, including standard and optional systems. This section explains the features and benefits of each type, helping you understand their impact on performance and comfort.
Standard Suspension
- Steel spring suspension with gas-filled shocks
- Tuned for a balance of comfort and sportiness
- Suitable for most driving conditions
- Lower maintenance compared to air suspension
AIRMATIC Air Suspension
- Fully adjustable air springs for variable ride height
- Automatic leveling system for consistent handling
- Comfort, Sport, and Off-Road modes for versatility
- Higher initial cost and maintenance requirements
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Component Specifications
Overview
- Type
- Independent suspension
- Configuration
- Front: Double wishbone, Rear: Multi-link
- Platform
- MRA (Mercedes Rear-wheel-drive Architecture)
- Material
- High-strength steel and aluminum alloy
- Location
- Front and rear axles
Dimensions
- Front Track Width
- 65.2 in (1656 mm)
- Rear Track Width
- 65.1 in (1653 mm)
- Wheelbase
- 114.8 in (2915 mm)
- Ground Clearance
- 8.3 in (211 mm)
- Spring Length Front
- 14.2 in (360 mm)
- Spring Length Rear
- 15.7 in (400 mm)
- Shock ABSorber Travel
- 5.9 in (150 mm)
- Stabilizer Bar Diameter
- 1.2 in (30 mm)
Materials
- Control Arms
- Forged aluminum alloy
- Springs
- High-tensile steel
- Shock ABSorbers
- Steel with hydraulic fluid
- Bushings
- Polyurethane and rubber composite
- Stabilizer Bar
- Heat-treated steel
Features
- Adjustability
-
- Adaptive damping system (optional)
- Air suspension with level control (optional)
- Ride height adjustment
- Stability
-
- Electronic Stability Program (ESP)
- Roll stabilization
- Traction control
- Comfort
-
- Dynamic damping system
- Road surface adaptation
- Vibration reduction
- Durability
-
- Corrosion-resistant coatings
- Reinforced mounting points
- Sealed bearings
- Performance
-
- Sport-tuned suspension option
- Enhanced cornering stability
- Reduced body roll
Safety Features
- Crash Protection
-
- Energy-absorbing mounts
- Reinforced subframe
- Stability
-
- Anti-roll bars
- Electronic stability control
- Durability
-
- High-strength materials
- Corrosion-resistant components
Comfort Features
- Ride Quality
-
- Adaptive damping
- Air suspension option
- Noise reduction
- Adjustability
-
- Ride height control
- Dynamic damping adjustment
- Vibration Control
-
- Hydraulic bushings
- Isolated subframe
- Load Management
-
- Automatic leveling
- Load-dependent damping
Accessories
- Upgrades
-
- Sport suspension kit
- Air suspension retrofit
- Performance shock absorbers
- Maintenance
-
- Replacement bushings
- Shock absorber rebuild kit
- Suspension alignment tools
- Protection
-
- Underbody protection plates
- Corrosion protection spray
- Suspension component covers
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect bushings and mounts
- Check shock absorber condition
- Lubricate suspension joints
- Inspect alignment and adjust if necessary
- Check for corrosion or damage
- Maintenance Notes
- Regular alignment checks recommended, especially after impact or off-road use.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Defects in materials or workmanship
- Corrosion
- Miles: UnlimitedYears: 7Coverage: Perforation due to rust
- Powertrain
- Miles: 100,000Years: 5Coverage: Suspension components
- Extended
- Miles: 120,000Years: 7Coverage: Optional extended coverage for suspension
Production Details
- Manufacturer
- Mercedes-Benz AG
- Manufacturing Process
-
- Precision forging
- CNC machining
- Robotic assembly
- Quality Control
- Testing: Durability testing, Vibration analysis, Corrosion resistance testingStandards: ISO 9001, Mercedes-Benz internal standards
- Sustainability
-
- Recyclable materials
- Energy-efficient production
- Waste reduction initiatives
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: Less than 0.1%Production Time: 2.5 hours per vehicle
Service Information for suspension Service
Maintenance and service requirements specific to this component
- Inspect suspension components for wear
- Check shock absorber performance
- Lubricate all suspension joints
- Inspect and tighten all mounting bolts
- Check alignment and adjust if necessary
Regular inspection is crucial for maintaining ride quality and safety.
- Replace worn bushings and mounts
- Inspect and replace shock absorbers if necessary
- Check and replace stabilizer bar links
- Perform full suspension alignment
- Inspect for corrosion and apply protection
Use only genuine Mercedes-Benz parts for replacements.
- Complete suspension overhaul
- Replace all wear components
- Inspect and replace springs if necessary
- Check subframe for damage or corrosion
- Perform full system performance test
Major service requires specialized tools and expertise.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the suspension system compatible with both diesel and gasoline models of the 2011-2015 Mercedes M-Class?
Is the suspension system compatible with both diesel and gasoline models of the 2011-2015 Mercedes M-Class?
The suspension system for the 2011-2015 Mercedes M-Class is designed to be compatible with both diesel and gasoline models. However, specific components like dampers or springs may vary based on engine weight and performance requirements. Always verify part numbers with your vehicle's VIN or consult a Mercedes-Benz dealer to ensure compatibility.
Q2 What are the maintenance requirements for the M-Class suspension system?
What are the maintenance requirements for the M-Class suspension system?
Regular maintenance for the M-Class suspension includes inspecting shocks, struts, and bushings every 15,000 miles. Check for leaks, wear, or damage. Wheel alignment should be performed annually or after hitting potholes. Replace worn components promptly to avoid uneven tire wear and handling issues. Follow the manufacturer’s service schedule for optimal performance.
Q3 How do I replace the front struts on a 2011-2015 Mercedes M-Class?
How do I replace the front struts on a 2011-2015 Mercedes M-Class?
To replace front struts, lift the vehicle and secure it on jack stands. Remove the wheel and disconnect the sway bar link and brake line bracket. Use a spring compressor to safely remove the strut assembly. Install the new strut, reassemble components, and torque bolts to factory specifications. A professional alignment is recommended after replacement.
Q4 What should I do if my M-Class suspension feels unstable or noisy?
What should I do if my M-Class suspension feels unstable or noisy?
If the suspension feels unstable or noisy, inspect for worn shocks, struts, or bushings. Check for loose bolts or damaged components. Uneven tire wear or a sagging stance can indicate worn springs. Professional diagnostics may be needed to identify and resolve issues with electronic suspension systems like AIRMATIC.
Q5 How can I optimize the performance of my M-Class suspension?
How can I optimize the performance of my M-Class suspension?
Optimize suspension performance by upgrading to high-performance shocks or springs designed for your driving style. Ensure proper tire inflation and alignment. Regularly inspect and replace worn components. For AIRMATIC systems, maintain proper air pressure and check for leaks. Avoid overloading the vehicle to prevent suspension strain.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2011-2015 Mercedes M-Class Service Manual
Coming SoonDetailed service manual covering suspension, engine, and electronics for the 2011-2015 M-Class. Includes repair procedures, torque specifications, and maintenance schedules.
Technical Service Bulletin: Suspension Noise
Coming SoonAddresses common suspension noise issues in the 2011-2015 M-Class. Provides diagnostic steps and recommended repairs.
Mercedes M-Class Parts Catalog
Coming SoonComprehensive parts catalog for the 2011-2015 M-Class, including suspension components, part numbers, and compatibility details.
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Technical Information
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