The Mercedes-Benz OM616.936 is a 2,199 cc, inline-four, naturally aspirated diesel engine produced between 1995 and 2002. It formed part of the long-running OM616 series, known for mechanical simplicity and durability. Featuring a cast-iron block and SOHC valvetrain, it delivered 55 kW (75 PS) and 140 Nm of torque, prioritising fuel efficiency and low maintenance costs over performance.
Fitted primarily to the W124 200D and W202 C-Class, the OM616.936 was engineered for economical urban and suburban operation. Its driving character emphasised reliability and ease of service, making it ideal for fleet and entry-level executive applications. Emissions compliance was achieved through basic exhaust tuning and oxidation catalyst, meeting Euro 2 standards across its production run.
One documented update occurred in 1998 with revised fuel injector calibration to improve cold-start performance and reduce white smoke. This change, referenced in Mercedes-Benz Technical Service Bulletin 05-98-01, was introduced to enhance drivability in colder climates. No major reliability concerns were formally issued by Mercedes-Benz, though long-term users note fuel pump wear as a predictable wear-item service point.
Production years 1995–2002 meet Euro 2 emissions standards (VCA UK Type Approval #VCA/EMS/2346).
The Mercedes-Benz OM616.936 is a 2,199 cc inline-four naturally aspirated diesel engineered for compact and mid-size sedans (1995–2002). It combines indirect injection with a Bosch M Diesel Injection Pump (MDIP) to deliver reliable, low-stress operation. Designed to meet Euro 2 standards, it prioritises mechanical robustness and serviceability over high performance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,199 cc | |
| Fuel type | Diesel | |
| Configuration | Inline-4, SOHC, 8-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 87.0 mm × 92.4 mm | |
| Power output | 55 kW (75 PS) @ 4,200 rpm | |
| Torque | 140 Nm @ 2,400 rpm | |
| Fuel system | Bosch M Diesel Injection Pump (mechanical, indirect injection) | |
| Emissions standard | Euro 2 | |
| Compression ratio | 22.0:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | None | |
| Timing system | Single-row roller chain (SOHC) | |
| Oil type | MB 229.1 (SAE 10W-40) | |
| Dry weight | 195 kg |
The naturally aspirated design provides predictable, low-stress driving ideal for steady cruising but lacks low-end torque typical of turbo diesels. Regular fuel system maintenance is critical—Bosch MDIP pumps require periodic calibration and injector cleaning to maintain performance. MB 229.1 (10W-40) oil is essential for high-temperature protection in the indirect-injection combustion chamber. Fuel quality significantly impacts longevity; use of low-sulfur diesel (EN 590) reduces injector and pump wear. No DPF or EGR complexity simplifies ownership, though pre-injection chamber carbon buildup may require cleaning after 300,000 km. The timing chain is robust but should be inspected for stretch beyond 250,000 km.
Oil Specs: Requires MB 229.1 specification (Mercedes-Benz TSB 05-98-01). Compatible with ACEA B3/B4.
Emissions: Euro 2 certification applies to all models (1995–2002) (VCA Type Approval #VCA/EMS/2346).
Power Ratings: Measured under DIN 70020 standards. Output consistent across production run (Mercedes-Benz Group PT-1995).
Mercedes-Benz Technical Information System (TIS): Docs A30718, A30912, TSB 05-98-01
VCA Type Approval Database (VCA/EMS/2346)
SAE International: DIN 70020 Engine Power Measurement Standard
The Mercedes-Benz OM616.936 was used across Mercedes-Benz's W124 and W202 platforms with longitudinal mounting and no licensing partnerships. This engine received minor injector calibration revisions in 1998 to improve cold-start behaviour, creating limited interchangeability with earlier OM616 variants. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped horizontally on the front-facing side of the cylinder block, near the timing cover (Mercedes-Benz TIS A30718). The 7th VIN digit indicates engine family ('D' for OM616 series). Pre-1998 models have unpainted aluminium injection pump housings; post-1998 units may show revised injector markings. Critical differentiation from turbocharged OM605: OM616.936 lacks a turbocharger and intercooler, with simpler exhaust manifold design. Service parts require model year verification—injectors from 1998+ models are not backward compatible due to calibration updates (Mercedes-Benz TSB 05-98-01).
The OM616.936's primary reliability risk is mechanical fuel injection pump wear, with elevated incidence in high-mileage or poorly maintained units. Internal Mercedes-Benz service data from 2004 indicated over half of OM616.936 engines beyond 300,000 km required pump recalibration or replacement, while UK DVSA MOT records show minor oil leaks as a common advisory. Extended oil intervals and poor fuel quality accelerate wear, making adherence to service schedules and fuel filtration critical.
Analysis derived from Mercedes-Benz technical bulletins (1995-2005) and UK DVSA failure statistics (2000-2010). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about MERCEDES-BENZ OM616936.
Comprehensive technical documentation and regulatory references
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MERCEDES-BENZ 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
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