Adapter enabling the connection (swap / conversion) of the Mercedes-Benz V8 M113 engine 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 with mounting bolts and a torque converter adapter.
The adapter fits exclusively Mercedes-Benz M113 engines sourced from vehicles with a factory 7G-Tronic (722.9) automatic transmission, using the automatic version flywheel (flexplate / starter ring gear) OE A 273 030 03 12. For M113 engines paired from the factory with the 5G-Tronic (722.6) transmission, a separate adapter version is available.
Planning an engine swap with a Mercedes-Benz M113 with 7G-Tronic (e.g. from Mercedes E 500, CLS 500, ML 500, R 500, SL 500, or SLK 55 AMG) 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' V8, both in a daily driver and in a drift or racing 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. The torque converter adapter (included) connects the Mercedes-Benz M113 (7G-Tronic) automatic version flexplate to the torque converter of your ZF 8HP gearbox. Gearbox adapter plate thickness: 25 mm (0.98").
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.
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.
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 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 M113 – exclusively from vehicles with a factory 7G-Tronic (722.9) transmission The list includes only models and production years where the M113 engine was paired with the 7G-Tronic transmission. On W220, C215, W211, R230, and C209 transition-year models, check your factory transmission type before purchasing. Mercedes-Benz M113 4.3 E43 S 430 (W220, 2003–2005) Mercedes-Benz M113 5.0 E50 S 500 (W220, 2003–2005) CL 500 (C215, 2003–2006) E 500 (W211, RWD models, 2004–2006) SL 500 (R230, 2005–2006) CLK 500 (C209, 2005–2006) CLS 500 (C219, 2004–2006) ML 500 (W164, 2005–2007) R 500 (W251, 2006–2007) G 500 (W463, 2007–2008) SsangYong Chairman W (2008–2017) Mercedes-Benz M113 AMG 5.4 E55 SLK 55 AMG (R171, 2004–2010) SLK 55 AMG Black Series (R171, 2006–2008) |
| 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) |
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.
The adapter is intended exclusively for M113 engines from vehicles equipped with a factory 7G-Tronic (722.9) transmission.
The gearbox adapter plate is installed first onto the engine. To mate the Mercedes-Benz M113 engine with the ZF 8HP transmission, you must use the flexplate (automatic transmission flywheel) from the automatic version Mercedes-Benz M113 (7G-Tronic) OE A 273 030 03 12 (not included), the PMC Motorsport torque converter adapter (included), and the torque converter from your ZF 8HP transmission.
To mount the adapter, use the original Mercedes-Benz (OE) starter motor from the M113 engine (not included).
Mount the torque converter adapter to the flexplate (automatic flywheel) from the automatic version Mercedes-Benz M113 (7G-Tronic), and then bolt the ZF 8HP torque converter to it.
It fits Mercedes-Benz M113 V8 engines (4.3, 5.0, and AMG 5.4) from vehicles factory-equipped with the 7G-Tronic (722.9) automatic transmission – among others from Mercedes S 430 / S 500 (W220), CL 500 (C215), E 500 (W211), SL 500 (R230), CLK 500 (C209), CLS 500 (C219), ML 500 (W164), R 500 (W251), G 500 (W463), SLK 55 AMG (R171), and SsangYong Chairman W. The requirement is using the automatic version flexplate OE A 273 030 03 12.
No. This adapter version fits exclusively M113 engines from vehicles factory-equipped with the 7G-Tronic (722.9) transmission. For M113 / M113K engines paired from the factory with the 5G-Tronic (722.6) transmission, using flexplate OE 112 032 02 47, a separate adapter version is available in our offer.
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.
Using the PMC Motorsport torque converter adapter included in the kit. The torque converter adapter bolts to the automatic version flexplate Mercedes-Benz M113 (7G-Tronic) OE A 273 030 03 12, and is then connected to the torque converter of your ZF 8HP transmission.
The automatic version flexplate (starter ring gear / flywheel) Mercedes-Benz M113 (7G-Tronic) OE A 273 030 03 12 and the original Mercedes-Benz starter motor from the M113 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.
The original Mercedes-Benz (OE) starter motor from the M113 engine. The starter motor is not included in the kit.
Aluminum gearbox adapter plate (25 mm) with mounting bolts and torque converter adapter.
No. The product price and shipping quote do not include customs duties or import taxes that may occur in the destination country.
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.
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.
