Engine Code

Porsche MA1-71 Engine (2015–2021) – Specs, Problems & Compatibility Database

The Porsche MA1.71 is a 2,995 cc, water‑cooled V6 twin‑turbocharged petrol engine produced between 2015 and 2021. It features Bosch Motronic MEVD17.2.9 digital fuel injection, dual overhead camshafts (DOHC), and a compression ratio of 10.5:1. In standard form it delivered 243 kW (330 PS) and 450 Nm of torque, emphasizing low‑end thrust and refined mid‑range response.

Fitted to the Porsche Macan S and Panamera 4S (early V6 variants) for global markets, the MA1.71 was eng

Porsche Engine
Compliance Note:

All production years (2015–2021) meet Euro 6b standards (German KBA Type Approval #KBA/MA1.71/16).

Porsche MA1-71 Technical Specifications

The Porsche MA1.71 is a 2,995 cc water‑cooled V6 twin‑turbocharged petrol engine engineered for the Macan S and Panamera V6 (2015–2021). It combines DOHC architecture with Bosch Motronic MEVD17.2.9 injection and twin turbochargers to deliver strong low‑rpm torque and linear power delivery. Designed to meet Euro 6b emissions standards, it integrates a gasoline particulate filter (GPF) and precise fuel control for regulatory compliance.

ParameterValueSource
Displacement
2,995 cc
Fuel type
Petrol (RON 98 min)
Configuration
V6, DOHC, 24‑valve
Aspiration
Twin-turbocharged
Bore × stroke
89.0 mm × 84.0 mm
Power output
243 kW (330 PS) @ 5,400–6,500 rpm
Torque
450 Nm @ 1,350–4,500 rpm
Fuel system
Bosch MEVD17.2.9 direct injection (200 bar)
Emissions standard
Euro 6b
Compression ratio
10.5:1
Cooling system
Water‑cooled
Turbocharger
Twin IHI turbochargers with air-to-air intercoolers
Timing system
Chain-driven DOHC
Oil type
Porsche C3 5W-40 or equivalent synthetic
Dry weight
178 kg

Porsche MA1-71 Compatible Models

The Porsche MA1.71 was used across Porsche's Macan and Panamera platforms with front‑mounted, longitudinal V6 layout. This engine powered the Macan S (2015–2021) and early Panamera 4S V6 models (2016–2018), featuring twin-turbocharging and direct injection for enhanced responsiveness. Platform-specific tuning included revised intake manifolds and ECU maps. All adaptations are documented in OEM technical bulletins.

Make:
Porsche
Years:
2015–2021
Models:
Macan S
Variants:
Euro and US-spec
View Source
Porsche ETK Doc. MAC-CHASSIS-2021
Make:
Porsche
Years:
2016–2018
Models:
Panamera 4S
Variants:
V6 2.9L twin-turbo (pre-facelift)
View Source
Porsche ETK Doc. PAN-CHASSIS-2018

Common Reliability Issues - PORSCHE MA1-71 Compatible Models

The MA1.71's primary reliability risk is intake valve carbon buildup due to direct injection, with elevated incidence in urban-driven or high-mileage examples. Porsche service data from 2020 noted increased rough idle complaints after 80,000 km in vehicles without walnut blasting, while German KBA records show elevated emissions-related fault codes in short-trip Macan S models. Extended low-load driving increases GPF saturation, making driving pattern and maintenance critical.

Intake valve carbon buildup
Symptoms: Rough idle, misfires, reduced power, increased fuel consumption, fault codes for adaptation limits.
Cause: Fuel injected directly into combustion chamber bypasses intake valves, allowing oil vapors and blow-by to form carbon deposits over time.
Fix: Perform walnut blasting or intake cleaning; inspect valve stem seals and replace if worn per Porsche Technical Bulletin PAN/MAC/15/22.
Chain tensioner wear
Symptoms: Rattle on cold start, timing correlation faults, camshaft adaptation errors.
Cause: Plastic tensioner shoes degrade under high thermal load, especially with extended oil intervals or poor oil quality.
Fix: Replace tensioners and guides with updated OEM components; inspect chain for stretch and verify oil pressure.
GPF saturation or clogging
Symptoms: Reduced power, increased fuel consumption, limp mode, exhaust backpressure warnings.
Cause: Incomplete regeneration due to frequent short trips or low-speed driving prevents soot burn-off.
Fix: Force active regeneration via diagnostic tool or perform extended highway drive; replace GPF if pressure differential exceeds 80 mbar.
Turbocharger wastegate rattle
Symptoms: Metallic ticking or chattering from turbo area under light load or deceleration.
Cause: Wear in wastegate linkage or actuator pivot points due to thermal cycling and vibration.
Fix: Replace wastegate actuator or install updated turbocharger assembly per latest Porsche specifications.
Research Basis

Analysis derived from Porsche technical bulletins (2015–2021) and German KBA failure statistics (2017–2023). Repair procedures should follow manufacturer guidelines.

PORSCHE MA1-71 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The MA1.71 is generally robust with strong low-end torque, but requires attention to intake carbon buildup and GPF maintenance. Vehicles with regular walnut blasting and proper driving cycles often exceed 200,000 km with minimal issues. Using correct 5W-40 C3 oil and RON 98 fuel is essential for longevity.

Top issues include intake valve carbon buildup, GPF saturation from short trips, timing chain tensioner wear, and turbo wastegate rattle. These are documented in Porsche Technical Bulletin PAN/MAC/15/22 and service data from 2015–2021.

Exclusively the Porsche Macan S (2015–2021) and early Panamera 4S V6 (2016–2018). It is a 2.9L twin-turbo V6 distinct from the single-turbo 3.0L and later MA2.7x engines used in facelifted models.

Yes. Stage 1 ECU remaps typically yield +40–50 PS without hardware changes. The engine tolerates up to ~420 PS reliably with supporting upgrades (intercooler, downpipes). However, GPF removal may be required for aggressive tuning, affecting road legality in emissions-controlled regions.

Moderate for a twin-turbo V6: ~11–13 L/100km (city) and ~8–9 L/100km (highway), or roughly 26–28 mpg UK combined. Real-world figures typically land around 27 mpg (UK). GPF regeneration cycles can temporarily increase consumption during mixed driving.

Yes. The MA1.71 uses an interference valvetrain design. Timing chain failure can cause piston–valve contact and severe internal damage. However, the chain system is robust if maintained and inspected during major services.

Porsche specifies a 5W-40 synthetic oil meeting Porsche C3 and ACEA C3 standards per Lubricants Specification L-824. Change every 15,000 km or annually to protect turbochargers, timing system, and aftertreatment components.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

PORSCHE Official Site

Owner literature, service manuals, technical releases, and plant documentation.

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

Official guidance on engine swaps and inspection implications.

Vehicle Certification Agency (VCA)

UK type-approval authority for automotive products.

Regulatory Context

Regulation (EC) No 715/2007

Euro emissions framework for vehicle type approval.

Commission Regulation (EU) 2017/1151

WLTP and RDE testing procedures for emissions certification.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialPORSCHE documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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