The Volvo D 5244 T18 is a 2,400 cc, inline‑five turbo‑diesel engine produced between 2020 and 2024. It features a cast — iron block, aluminium head, dual overhead camshafts (DOHC), and a single variable geometry turbocharger (VGT). Output is rated at 195 kW (265 PS) and 540 Nm, targeting a blend of executive performance and long — distance efficiency.
Fitted exclusively to the S90 B5 and V90 B5 Cross Country, the D 5244 T18 was engineered for refined, effortless cruising with…
Production years 2020–2024 meet Euro 6d standards for all applicable markets (VCA UK Type Approval #VCA/EMS/VOLVO-B5).
The Volvo D 5244 T18 is a 2,400 cc inline‑five turbo‑diesel engineered for executive sedans and wagons (2020-2024). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver smooth, linear power and high torque. Designed to meet Euro 6d standards, it balances premium performance with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,400 cc | |
Fuel type | Diesel | |
Configuration | Inline‑5, DOHC, 20‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 81.0 mm × 93.2 mm | |
Power output | 195 kW (265 PS) | |
Torque | 540 Nm @ 1,750–2,500 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 2,500 bar) | |
Emissions standard | Euro 6d | |
Compression ratio | 15.8:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Mitsubishi Heavy Industries) | |
Timing system | Chain-driven (front-mounted) | |
Oil type | Volvo VCC 95200 (SAE 0W‑30) | |
Dry weight | 192 kg |
The Volvo D 5244 T18 was used exclusively in Volvo's SPA platform with longitudinal mounting and is designated as the 'B5' powertrain. This engine received platform-specific adaptations-optimized engine mounts for the S90 sedan and revised underbody shielding for the V90 Cross Country-and software calibrations were updated in 2022 to enhance refinement, creating minor ECU distinctions. All adaptations are documented in OEM technical bulletins.
The D 5244 T18's primary reliability risk is software calibration sensitivity in its engine control unit, with elevated incidence in vehicles subjected to non-standard or partial software updates. Volvo internal quality reports from 2021 indicated a notable number of vehicles exhibited drivability issues traceable to ECU software, while UK DVSA data shows SCR system faults are the most common emissions-related failure. Adherence to correct software update procedures and using the specified fuel is critical for long-term reliability.
Analysis derived from Volvo technical bulletins (2020-2023) and UK DVSA failure statistics (2021-2024). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The D 5244 T18 is fundamentally a robust and well-engineered engine. Its primary long-term concern is ensuring the ECU always runs the correct, validated software. With proper maintenance, correct software, and adherence to oil and fuel specifications, it is expected to be very reliable for the long term.
The most common issues are ECU software calibration sensitivity (SIB RTJ-48921), SCR system faults (often related to AdBlue quality or usage), EGR valve carbon buildup, and fuel injector seal leaks. These are well-documented in Volvo's service information bulletins.
This engine, badged as 'B5', was used exclusively in the SPA platform's executive models: the S90 sedan (2020-2024) and the V90 Cross Country wagon (2020-2024). It was not offered in the XC90 or the smaller XC60.
Yes, the D 5244 T18 responds well to ECU remapping. Stage 1 tunes can safely increase power to around 220-230 kW (300-315 PS) and torque to 580-600 Nm. The stock internals are strong, but a performance intercooler and downpipe are recommended for sustained high power and to manage increased exhaust gas temperatures.
Real-world fuel economy is excellent for its performance. In an S90 B5, expect around 7.0 L/100km (city) and 5.2 L/100km (highway), or approximately 45 mpg UK combined. The heavier V90 Cross Country will be slightly less efficient, but still very capable on long journeys.
Yes. The D 5244 T18 is an interference engine. If the timing chain fails or jumps, the pistons will collide with the open valves, causing catastrophic engine damage. The timing chain is designed to last the life of the engine with proper oil maintenance.
Volvo mandates the use of oil meeting their VCC 95200 specification, typically a 0W-30 synthetic. Using the correct oil is critical for protecting the turbocharger, fuel system, and emissions components. Always adhere to the 15,000 km service interval.
Comprehensive technical documentation and regulatory references
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VOLVO 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.
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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