The Mercedes — Benz M274.922 is a 1,991 cc, inline — four turbocharged petrol engine produced between 2013 and 2017. It features direct fuel injection, variable valve timing (Camtronic), and an integrated exhaust manifold for rapid warm — up. In standard tune, it delivered 155 kW (211 PS) with peak torque of 350 Nm, offering strong mid — range responsiveness in compact and mid — size platforms.
Fitted to key models such as the W205 C — Class, W213 E — Class, and X156 GLC, the M274.…
Production years 2013–2017 meet Euro 6 standards .
The Mercedes-Benz M274.922 is a 1,991 cc inline-four turbocharged petrol engine engineered for compact and mid-size vehicles (2013–2017). It combines direct injection with Camtronic variable valve timing to deliver responsive performance and improved fuel efficiency. Designed to meet Euro 6 standards, it balances urban drivability with motorway cruising capability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,991 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve, Camtronic | |
Aspiration | Turbocharged | |
Bore × stroke | 83.0 mm × 92.0 mm | |
Power output | 155 kW (211 PS) @ 5,500 rpm | |
Torque | 350 Nm @ 1,200–4,000 rpm | |
Fuel system | Direct injection (up to 200 bar) | |
Emissions standard | Euro 6 | |
Compression ratio | 10.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single twin-scroll turbocharger | |
Timing system | Dual chain (primary and secondary), non-interference design | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 167 kg |
The Mercedes-Benz M274.922 was used across Mercedes-Benz's W205/W213/X156 platforms with transverse mounting and no licensed external applications. This engine received platform-specific adaptations-intake manifold tuning in the GLC-Class and revised cooling routing in the E-Class-and from 2015 the updated high-pressure fuel pump introduced in facelifted C-Class models improved system longevity, creating interchange limits. All adaptations are documented in OEM technical bulletins.
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The M274.922 offers responsive performance and good efficiency, but early models (2013–2014) are prone to high-pressure fuel pump issues if maintenance is deferred. Post-2015 revisions resolved most lubrication concerns, so well-maintained examples exceed 180,000 km. Using correct MB 229.51 oil and adhering to 15,000 km service intervals is essential for longevity.
Primary issues include high-pressure fuel pump wear (especially pre-2015), intake carbon buildup, cam cover oil leaks, and ignition coil misfires. These are documented in Mercedes-Benz service bulletins. Turbocharger and EGR faults are less common but may occur with poor maintenance.
This 2.0L turbo petrol was used in several core models: C-Class (W205 C250/C300), E-Class (W213 E300), GLC-Class (X156 GLC300), and CLA-Class (C117 CLA250/CLA300). All applications are petrol-powered and Euro 6 compliant. No cross-manufacturer usage is documented.
Aftermarket ECU tuning is common on the M274922 platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
Efficient for a turbo petrol. In a C300 (W205), combined consumption is ~7.5 L/100km (~37.7 mpg UK). City driving may reach 9.5 L/100km, while highway runs can achieve ~6.0 L/100km (~47 mpg UK). Real-world economy depends heavily on driving style, but expect 35–45 mpg (UK) under mixed conditions.
No. The M274.922 uses a non-interference valvetrain design. If the timing chain fails, piston-to-valve contact is avoided, preventing catastrophic internal damage. However, timing chain replacement is still recommended at 180,000 km or as per service schedule to maintain synchronization.
Mercedes-Benz specifies SAE 0W-40 oil meeting MB 229.51 standard. This low-SAPS synthetic oil provides optimal protection for the turbocharger and direct injection system. Change intervals should not exceed 15,000 km or one year to prevent sludge and wear.
Comprehensive technical documentation and regulatory references
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