The Mercedes — Benz M 282.926 is a 1,332 cc, inline — four turbocharged petrol engine produced between 2015 and 2020. It features direct fuel injection (CGI), variable valve timing (VVT), and an integrated starter — generator in certain hybrid applications. Delivering 80–100 kW (109–136 PS) and torque outputs of 200–200 Nm, it was engineered for compact and subcompact platforms requiring efficiency and responsive urban performance.
Fitted to models such as the A — Class…
All production years (2015–2020) comply with Euro 6 emissions standards .
The Mercedes-Benz M 282.926 is a 1,332 cc inline-four turbocharged petrol engine engineered for compact and subcompact applications (2015–2020). It combines direct fuel injection with a single-scroll turbocharger to deliver responsive low-end torque and efficient cruising. Designed to meet Euro 6 emissions standards, it balances urban drivability with improved fuel efficiency over naturally aspirated predecessors.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,332 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.0 mm × 77.0 mm | |
Power output | 80–100 kW (109–136 PS) | |
Torque | 200 Nm @ 1,250–4,000 rpm | |
Fuel system | Direct injection (CGI), high-pressure fuel pump (up to 200 bar) | |
Emissions standard | Euro 6 | |
Compression ratio | 10.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single-scroll turbocharger (BorgWarner) | |
Timing system | Chain-driven (single, front-mounted) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 110 kg |
The Mercedes-Benz M 282.926 was used across Mercedes-Benz's W176/W246/X156 platforms with transverse mounting. This engine received platform-specific adaptations-shortened intake manifolds in the B-Class and revised exhaust routing in the GLA-Class-and from 2018 the introduction of revised camshaft profiles in the A 140 created interchange limits. All adaptations are documented in OEM technical bulletins.
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Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
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The M 282.926 offers adequate performance and good fuel economy, but early models (2015–2017) are prone to turbocharger bearing wear. Later units, especially post-2018 revisions, show improved durability when maintained properly. Regular oil changes with MB 229.51-specified 5W-30 oil every 15,000 km are essential. Well-maintained engines can exceed 180,000 km without major issues.
Key issues include turbocharger bearing wear (especially pre-2018), intake manifold flap actuator failure, coolant leaks from heater pipe O-rings, and ignition coil degradation. These are documented in Mercedes-Benz service bulletins. Carbon buildup in direct injection models and timing chain wear under extreme conditions are less frequent but possible.
This inline-four turbo petrol engine was used in several compact models: the W176 A-Class (A 120/A 140), W246 B-Class (B 120/B 140), X156 GLA-Class (GLA 120/GLA 140), and C117 CLA-Class (CLA 120/CLA 140). It was phased out in 2020 and replaced by the M 282 DE14 engine with mild hybrid integration. All variants are transversely mounted.
Yes, with moderate gains. ECU remapping can yield +20–30 kW on most variants due to headroom in turbo and fuel systems. However, the single-scroll turbo design limits extreme tuning compared to higher-performance engines. Supporting modifications like exhaust and intake upgrades offer modest improvements. Over-tuning risks detonation, especially if fuel quality is poor.
Fuel consumption is typical for a small turbo petrol engine. In a W176 A 140, expect ~7.5 L/100 km (city) and ~5.2 L/100 km (highway), or about 38 mpg UK combined. Real-world figures depend heavily on driving style, but 35–40 mpg (UK) is common. Use of RON 95 fuel is required for optimal performance and longevity.
Yes. The M 282.926 is an interference engine. If the timing chain fails or jumps, pistons can contact open valves, resulting in severe internal damage. While chain systems are generally robust, any signs of chain rattle or tensioner failure should be addressed immediately to prevent catastrophic engine failure.
Mercedes-Benz specifies SAE 5W-30 oil meeting MB 229.51 standard. This low-SAPS formulation is critical for protecting the turbocharger and fuel system. Oil must be changed every 15,000 km or annually. Using non-compliant oil increases wear and voids warranty on repairs.
Comprehensive technical documentation and regulatory references
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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.
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