2018 Mercedes-Benz Metris — Brake Pad & Rotor Specs
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2018 Mercedes-Benz Metris Brake Pad & Rotor Specs
Maintaining the braking system on your 2018 Mercedes-Benz Metris is crucial for safety and optimal performance, especially given its role as a versatile workhorse or passenger van. This guide provides comprehensive specifications and helpful information to ensure you choose the right components and perform services correctly.
Quick reference
| Spec | Value |
|---|---|
| Front Pad PN (OEM) | A0004205500 (verify with dealer) |
| Front Pad PN (Akebono) | ACT1787 |
| Front Pad PN (Bosch) | BP1787 |
| Front Pad PN (Wagner) | QC1787 |
| Front Pad PN (Power Stop) | 17-1787, Z23-1787, Z36-1787 |
| Rear Pad PN (OEM) | A0004205400 (verify with dealer) |
| Rear Pad PN (Akebono) | ACT1788 |
| Rear Pad PN (Bosch) | BP1788 |
| Rear Pad PN (Wagner) | QC1788 |
| Rear Pad PN (Power Stop) | 17-1788, Z23-1788, Z36-1788 |
| Front Rotor Diameter & New Thickness | 300mm x 28mm (11.81in x 1.10in) |
| Front Rotor Minimum Thickness | 25mm (0.98in) |
| Rear Rotor Diameter & New Thickness | 290mm x 12mm (11.42in x 0.47in) |
| Rear Rotor Minimum Thickness | 10mm (0.39in) |
| Caliper Piston Count (Front) | 2-piston |
| Caliper Piston Count (Rear) | 1-piston |
| Caliper Bracket Torque (Front) | 180 Nm (133 ft-lbs) |
| Caliper Bracket Torque (Rear) | 115 Nm (85 ft-lbs) |
| Caliper Slide-Pin Torque (Front) | 30 Nm (22 ft-lbs) |
| Caliper Slide-Pin Torque (Rear) | 30 Nm (22 ft-lbs) |
| Brake Fluid Spec | DOT 4 |
How to choose pads
Choosing the right brake pads for your Metris involves considering your driving habits, typical load, and performance expectations. Here are the common types:
- Ceramic Pads: Ideal for most daily driving conditions, ceramic pads offer quiet operation, low dust, and consistent performance across various temperatures. They are known for their smooth engagement and are a popular choice for those seeking a comfortable driving experience.
- Semi-Metallic Pads: These pads contain a higher metallic content, providing stronger initial bite and better fading resistance, especially under heavy loads or spirited driving. They tend to be a bit noisier and produce more dust than ceramic pads but offer excellent stopping power. If your Metris frequently carries heavy cargo or tows, semi-metallic pads can be a good option.
- Heavy-Duty (HD) Pads: Designed for extreme conditions, heavy-duty pads (often variations of semi-metallic or specialized ceramic compounds) are built to withstand high temperatures and severe braking demands. These are best suited for vehicles that regularly operate at gross vehicle weight or in commercial applications where frequent, hard braking is common. Examples include the Power Stop Z36 series.
For most Metris owners, a good quality ceramic or semi-metallic pad will provide excellent performance and longevity.
Typical service life
The service life of brake pads and rotors on your 2018 Mercedes-Benz Metris can vary significantly based on driving style, load, and environmental factors. Generally:
- Front Brake Pads: Expect front pads to last anywhere from 30,000 to 70,000 miles. Heavier loads, city driving with frequent stops, and aggressive braking will reduce their lifespan.
- Rear Brake Pads: Rear pads typically last longer than front pads, often between 40,000 and 80,000 miles, as the front brakes do the majority of the stopping work.
- Rotors: Rotors can often last through two sets of brake pads, but this depends heavily on their condition and whether they remain above the minimum thickness. It's not uncommon to replace rotors with every pad change on the Metris due to wear or warping, especially on the front.
Mercedes-Benz generally recommends a brake inspection at every service interval, typically every 10,000 to 15,000 miles or once a year. This allows technicians to monitor pad and rotor wear and recommend replacement before issues arise. A good "pad-slap" interval, where technicians simply check the thickness of the pads visually, should align with these regular inspection intervals.
Common brake issues for this generation
The 2018 Mercedes-Benz Metris is generally reliable, but like any vehicle, it can experience some common brake-related issues:
- Premature Wear (Front Brakes): Given its size and potential for heavy loads, the front brakes can sometimes wear more quickly than anticipated, especially with aggressive driving or constant heavy cargo. This is why choosing the right pad material is important.
- Brake Dust: Depending on the pad material chosen (particularly some semi-metallic compounds), owners might notice a build-up of brake dust on the wheels. Ceramic pads generally mitigate this.
- Squealing or Grinding Noises: These are classic signs of worn pads (squealing from wear indicators) or severely worn pads/rotors (grinding), indicating it's time for replacement.
- Vibration/Pulsation: A pulsating brake pedal or steering wheel vibration when braking often points to warped or unevenly worn rotors. Regular heavy use and heat cycling can contribute to this.
Addressing these issues promptly will prevent them from escalating into more significant and costly repairs.
Brake job cost estimate
The cost of a brake job for your 2018 Mercedes-Benz Metris can fluctuate based on parts quality (OEM vs. aftermarket), labor rates in your area, and whether you're doing just pads or pads and rotors. Here's a general estimate:
- Front Brake Pads Only: $150 - $350 (parts & labor) if rotors are in good condition.
- Front Brake Pads & Rotors: $400 - $800+ (parts & labor) for a complete front axle service.
- Rear Brake Pads Only: $120 - $300 (parts & labor) if rotors are in good condition.
- Rear Brake Pads & Rotors: $350 - $700+ (parts & labor) for a complete rear axle service.
- Full Four-Wheel Brake Job (Pads & Rotors): $750 - $1,500+ (parts & labor).
These estimates do not include additional services like caliper replacement, brake fluid flush, or sensor replacement, which can add to the total cost. Always get a detailed quote from a trusted mechanic.
Find a trusted brake shop on Repairius.
More specs for the 2018 Mercedes-Benz Metris
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2018 Mercedes-Benz Metris Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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