Mercedes Benz E Class 200 / 250 Petrol Turbo Engine Replacement Compare Prices & Get Quotes

Short summary: Supply-only rebuilt M274 engines range from £2,800 to £5,500 depending on engine code and condition. With specialist fitting, budget £3,200-£6,300 total.

• M274.920 (E 200, 184 hp / E 250, 211 hp, 2013-2017): rebuilt £2,800-£4,500
• M274.930/940 (E 200 / E 250, 2016-2023): rebuilt £3,200-£5,500
• Labour adds £400-£800 depending on specialist location

Short summary: Cold-start rattling that disappears after a few seconds is the classic early warning sign. On the M274, timing chain wear typically occurs around 80,000 miles.

• Rattling noise on cold start, particularly from the front of the engine
• Metallic clanging sounds from the timing chain area
• Loss of power or engine misfires
• Timing chain replacement at a specialist costs £1,000-£1,800

Short summary: Yes, if the car is otherwise sound. W213 E 250 petrol turbo examples with good service history command £10,000-£25,000 used, making replacement viable【INDUSTRY ESTIMATE】.

• A quality rebuilt M274 costs £2,800-£5,500 supply only
• The M274 is a desirable engine with strong performance and refinement
• A replacement engine with warranty costs less than the depreciation on a newer car
• Specialist fitting adds £400-£800, not dealer rates of £1,500+

Short summary: Low-speed pre-ignition (LSPI) combined with oil dilution causes detonation events that crack pistons between ring lands. There is no preventative fix - once a piston cracks, the engine must be rebuilt or replaced.

• Piston failure typically occurs between 50,000-90,000 miles
• No warning signs - failure is sudden and catastrophic
• Rebuilt engines with forged pistons eliminate the repeat failure risk
• Using high-quality fuel and regular oil changes may reduce LSPI risk

Short summary: Both use the same M274 2.0-litre turbocharged four-cylinder engine - the E 250 is a higher-output tune producing 211 hp (vs 184 hp) and 350 Nm (vs 300 Nm).

• E 200: 135 kW (184 hp), 300 Nm - 0-62 mph in 7.5 seconds
• E 250: 155 kW (211 hp), 350 Nm - 0-62 mph in 6.9 seconds
• Both share the same 1,991 cc displacement and M274 architecture
• Both suffer from the same timing chain, piston, and thermostat issues

Short summary: With proper maintenance and 8,000-10,000 mile oil changes, M274 engines regularly reach 150,000-200,000 miles. Timing chain replacement at 80k-100k miles is recommended.

• M274 is a modern, efficient engine with a robust bottom end
• Timing chain inspection/replacement at 80k-100k miles is recommended
• Thermostat replacement at 40k-80k miles prevents cooling issues
• Short oil change intervals (8k miles) are critical for timing chain and piston life