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Adapter Kit Mercedes-Benz M156 M157 M177 M272 M273 - BMW ZF 8HP 8HP75 8HP70 8HP50 8HP51
- PMC Motorsport adapter kit (adaptor kit / set / adaption system / swap kit / conversion set) Mercedes-Benz M156 - BMW ZF 8HP 8HP70 8HP75
In a set

PMC Motorsport adapter / conversion kit Mercedes-Benz M156 M157 M177 M272 M273 M278 – BMW ZF 8HP 8HP70 8HP75 8HP76
Adapter enabling the connection (swap / conversion) of Mercedes-Benz M156, M157, M177, M272, M273, and M278 engines (V6 and V8, naturally aspirated and biturbo, including AMG units) with the modern 8-speed automatic transmission ZF 8HP (ZF Friedrichshafen) sourced from BMW – 8HP70, 8HP75, and 8HP76, in RWD and xDrive versions. The kit includes an aluminum gearbox adapter plate, adapter mounting bolts, and crankshaft bolts.
Planning an engine swap with a Mercedes-Benz AMG 6.2 M156, biturbo M157 / M177 / M278, or the popular M272 / M273 and looking for a durable, modern automatic transmission? The ZF 8HP provides 8 gears, ultra-fast shift times (approx. 0.2 s), and high torque capacity – an excellent combination with Mercedes engines, both in a daily driver and in a drift or motorsport project.
In our offer, you will also find an 8HP shifter / gear lever and a TCU controller with wiring harness to control the ZF 8HP transmission.
The aluminum gearbox adapter plate has been designed to make installing the ZF 8HP transmission as straightforward as possible. To connect to the ZF 8HP torque converter, the automatic version flexplate (starter ring gear / flywheel) from Mercedes-Benz is used. Gearbox adapter plate thickness: 20 mm (0.78").
PMC Motorsport gearbox adapters are synonymous with precision and premium quality. A design process based on 3D scanning and quality control using a measuring arm ensure a perfect fit. Production on state-of-the-art CNC machines guarantees ideal concentricity between the engine and transmission, which is crucial for the durability of the drivetrain.

All of our manufacturing and R&D design department are located in Poland. Over 90% of components are manufactured in-house by our company.
Selection assistance and after-sales support – PMC Motorsport Support
The PMC Motorsport team will help you choose the right kit and provide technical support in case of any doubts during installation. You can contact us via the contact form.
Purchasing individual components
Every component of the kit can be purchased separately.

Thousands of manufactured adapters and satisfied customers worldwide.
PMC Motorsport adapters are used both in daily drivers and in professional motorsport projects.
From the beginning, we focus on the quality of manufactured parts. The component is inspected after every production stage. Each part produced by us is engraved with a production serial number.
Quality confirmed by PN-EN ISO 9001:2015 certificate.

We ship our products practically to all countries worldwide. For European Union countries (excluding islands) and the United Kingdom, shipping costs are calculated automatically. For countries outside the list, after placing an order, our team will prepare a shipping calculation and add it to your order. You will receive an email with the total order cost.
NOTE: The provided shipping quote along with the product price does not include customs duties / import taxes, which may apply depending on the destination country.
0% VAT
0% VAT for customers with an active EU VAT number (option for B2B customers outside Poland) and in the case of export outside EU borders.
Upon positive verification in the VIES system, we modify the order by removing the charged VAT.
| Compatible engines: |
Mercedes-Benz AMG M156 6.2 V8 E 63 AMG (2006–2011) ML 63 AMG (2006–2011) R 63 AMG (2006) S 63 AMG (2006–2011) CL 63 AMG (2006–2011) CLK 63 AMG (2006–2010) CLS 63 AMG (2006–2010) C 63 AMG (2008–2015) SL 63 AMG (2008–2011) Mercedes-Benz AMG M157 5.5 V8 biturbo Mercedes-Benz AMG M177 4.0 V8 biturbo Mercedes-Benz M272 V6 Mercedes-Benz M273 V8 Mercedes-Benz M278 V8 biturbo |
| Compatible automatic transmissions: |
ZF 8HP70 / 8HP75 / 8HP76 8-speed (RWD / xDrive) ZF 8HP70 GA8HP70Z / GA8HP70X – BMW N57 / N57N (F-series) ZF 8HP75 GA8HP75X – BMW N57 / N57N xDrive (F-series) ZF 8HP75 GA8HP75Z / GA8HP75X – BMW B57 (G-series) ZF 8HP76 GA8HP76Z / GA8HP76X – BMW B57 (G-series, RWD / xDrive) ZF 8HP76 GA8HP76Z / GA8HP76X – BMW S58 (G-series) |
Additional information

PMC Motorsport parts are intended for motorsport and racetrack use.
Installation should be performed by professionals experienced in engine swaps and vehicle modifications – in workshops and using properly suited tools.

The adapter installation manual covers only the basic knowledge required to physically mate the engine and transmission outside the vehicle body.
Depending on the specific car, additional modifications may be required, such as adapting engine mounts, bushings, firewall, transmission tunnel, driveshaft length, etc.

We manufacture our adapters from fully recyclable materials.
Installation manual
The gearbox adapter plate is installed first onto the engine. To mate the Mercedes-Benz engine with the ZF 8HP transmission, you must use the flexplate (automatic transmission flywheel) from the automatic version Mercedes-Benz OE A 273 030 03 12, A 273 030 04 12, or A 278 030 01 12 (not included) and the torque converter from your ZF 8HP transmission.
To mount the adapter, use the original Mercedes-Benz (OE) starter motor from the respective engine (not included).


Frequently Asked Questions
Which engines does this adapter fit?
It fits Mercedes-Benz engines M156 (AMG 6.2 V8 – among others C 63, E 63, S 63, CL 63, CLK 63, CLS 63, ML 63, R 63, and SL 63 AMG), M157 (AMG 5.5 V8 biturbo), M177 (AMG 4.0 V8 biturbo), M272 (V6), M273 (V8), and M278 (V8 biturbo).
Which transmissions does the adapter fit?
To 8-speed automatic ZF 8HP transmissions from BMW: 8HP70 and 8HP75 (BMW N57, B57) and 8HP76 (BMW B57, S58), in RWD and xDrive versions. The complete list of versions is provided in the table above.
Which flexplate (flywheel) should be used?
The flexplate from the automatic version Mercedes-Benz OE A 273 030 03 12, A 273 030 04 12, or A 278 030 01 12. The flexplate is not included in the kit.
What additional parts do I need to purchase for installation?
The automatic version flexplate (starter ring gear / flywheel) from Mercedes-Benz and the original Mercedes-Benz starter motor from the respective engine. To control the transmission, you will also need a TCU controller with wiring harness and an 8HP shifter – both items are available in our offer. These parts are not included in the kit.
Which starter motor should be used?
The original Mercedes-Benz (OE) starter motor from the respective engine. The starter motor is not included in the kit.
What is included in the kit?
Aluminum gearbox adapter plate (20 mm), adapter mounting bolts, and crankshaft bolts.
Does the price include customs duty for shipping outside the European Union?
No. The product price and shipping quote do not include customs duties or import taxes that may occur in the destination country.
Can I buy with 0% VAT?
Yes, if you are a B2B customer outside Poland with an active EU VAT ID (verified in the VIES system) or for orders exported outside the EU.
Is the included manual sufficient for installation?
The manual describes mating the engine and gearbox outside the vehicle body. Depending on the car, additional modifications may be required: mounts, bushings, firewall, transmission tunnel, driveshaft length. We recommend installation by professionals.
Mercedes-Benz M156 AMG
- 2006-2011 E 63 AMG
- 2006-2011 ML 63 AMG
- 2006 R 63 AMG
- 2006-2011 S 63 AMG
- 2006-2011 CL 63 AMG
- 2006-2010 CLK 63 AMG
- 2006-2010 CLS 63 AMG
- 2008-2015 C 63 AMG
- 2008-2011 SL 63 AMG













