Engine code M256
Mercedes M256 3.0L Inline-Six Turbo
The M256 is the 3.0L turbocharged inline-six in AMG 53 models such as the E53, CLS53, GT53 and GLE53, and in the E450, GLE450, GLS450 and S500. BlackBoost makes cold air intakes, catless downpipes, FTA adapters and Exhaust Valve Modules for it.
- Displacement
- 3.0L (2,999 cc)
- Layout
- Inline-six
- Aspiration
- Turbo with 48V EQ Boost
- BlackBoost parts
- 36
Vehicles with the M256
- E53 (213 / 238 / 214)
- CLE53
- CLS53 (257)
- GT43 / GT53 (290)
- GLE53 (167)
- E450 (213)
- GLE450 / GLS450 (167)
- S450 / S500 (222 / 223)
M256 upgrades for the AMG 53 and 450 models
Frequently asked questions
Which cars use the M256 engine?
In our range: Mercedes-AMG E53 (213, 238 and 214), CLE53, CLS53 (257), GT43 and GT53 (290) and GLE53 (167), plus the E450 (213), GLE450 and GLS450 (167) and S450 and S500 (222 and 223).
Do you make M256 downpipes?
Yes, for the E53 (213), CLS53 (257), GLE53 and GLE450 (167), GT43 and GT53 (290) and the S450 and S500 (222). Catless downpipes need a tune to remove the check engine light and are for race use only.
Do you make a cold air intake for the E53 and GT53?
Yes. We make M256 cold air intakes for the E53 (238), CLS53 (257), GT43 and GT53 (290), GLE53 and GLE450 (167), E450 (213 facelift) and S500 (223). On stock vehicles our intakes have shown 8 to 30+ hp gains.
Do M256 upgrades need a tune?
Cold air intakes, FTA adapters and Exhaust Valve Modules are plug and play and need no tune. Catless downpipes need a tune to remove the check engine light.
Can I get BlackBoost parts installed in the UAE?
Yes. We install at our Ajman HQ and our Abu Dhabi branch, and our products can also be fitted at our partner workshops. Call +971 6 740 1535 or email info@black-boost.com to book.
Do you ship engine parts worldwide?
We ship worldwide from our UAE headquarters in Ajman by DHL or FedEx, with a signature on delivery. In-stock orders are usually dispatched within 24 hours, and made-to-order items can take 4 to 8 weeks. Customers in the USA, Europe and Australia can order through our official USA, EU and Australia stores.