The Mercedes — Benz M282.920 is a 1,332 cc, inline — four turbocharged petrol engine produced between 2017 and 2023. It features dual overhead camshafts (DOHC), variable valve timing (CAMTRONIC), and direct fuel injection (CGI). In standard output form, it delivers 120 kW (163 PS) and 250 Nm of torque, providing responsive performance and improved fuel efficiency for compact applications.
Fitted to models including the W177 A — Class, Z177 CLA — Class, and H247 GLB, the M2…
Production years 2017–2023 meet Euro 6d-TEMP standards for applicable markets .
The Mercedes-Benz M282.920 is a 1,332 cc inline-four turbocharged petrol engine designed for compact luxury platforms (2017–2023). It combines CGI direct injection with CAMTRONIC variable valve timing to deliver responsive low-end torque and efficient cruising. Designed to meet Euro 6d-TEMP standards, it balances performance with improved fuel economy over larger naturally aspirated engines.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,332 cc | |
Fuel type | Petrol (Unleaded, 95 RON min) | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.0 mm × 77.5 mm | |
Power output | 120–140 kW (163–190 PS) | |
Torque | 250–300 Nm @ 1,800–4,000 rpm | |
Fuel system | CGI direct injection (up to 200 bar) | |
Emissions standard | Euro 6d-TEMP | |
Compression ratio | 10.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single variable-vane turbocharger | |
Timing system | Double-row roller chain (rear-mounted) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 128 kg |
The Mercedes-Benz M282.920 was used across Mercedes-Benz's W177/Z177/H247 platforms with transverse mounting and no licensed external applications. This engine received platform-specific adaptations-shortened intake manifolds in the GLB and revised cooling routing in the CLA-and from 2019 the facelifted W177 models adopted updated fuel pump designs, creating interchange limits. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
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The M282.920 delivers responsive performance and good fuel economy, but early models (2017–2018) had reliability concerns, particularly high-pressure fuel pump failures. Later revisions (post-2019) improved pump durability, so well-maintained examples can be robust. Regular servicing and using high-quality oil (5W-30 MB 229.51) greatly aid longevity.
The biggest issues are high-pressure fuel pump wear (leading to ticking noise or limp mode), intake carbon buildup, and turbo wastegate actuator sticking. Other concerns include oil leaks from valve covers and rear main seals. These are well-documented in Mercedes-Benz service bulletins.
This 1.3L turbo petrol was used in several compact models. It appeared in the A-Class (A200/A250), CLA-Class (CLA200/CLA250), GLB-Class (GLB200/GLB250), and GLA-Class (GLA200/GLA250) between 2017 and 2023. All applications are Euro 6d-TEMP compliant and feature transverse mounting.
Aftermarket ECU tuning is common on the M282920 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 an A250 (W177), typical consumption is ~8.5 L/100km (city) and ~5.8 L/100km (highway), or about 33 mpg UK combined. Real-world figures depend heavily on driving style, but expect 30–36 mpg (UK) on mixed roads for a healthy M282.920.
Yes. The M282 series is an interference engine. If the timing chain fails or jumps, pistons can strike open valves, resulting in catastrophic engine damage. Chain and tensioner maintenance is critical—any abnormal noise should be investigated immediately.
Mercedes-Benz specifies a 5W-30 synthetic oil meeting MB 229.51 specification. Always use a high-quality oil suitable for turbocharged petrol engines and change it every 15,000 km or annually to ensure proper lubrication of the fuel pump and turbocharger.
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