GiroDisc Rotor Assembly Front Left – Mercedes-Benz A-Class (A1-045SL)
GiroDisc 2-piece rotor assembly, front left (part no. A1-045SL) for Mercedes-Benz A-Class W176, Mercedes-Benz B-Class W245, Mercedes-Benz B-Class W246, Mercedes-Benz CLA-Class C117 and more (see Fitment).
The GiroDisc 2-piece rotor system is a direct replacement for the OE rotor, no modifications are necessary. The disc will bolt directly to the car and work with OE calipers perfectly. Once the Girodisc system is in place, simply replace the cast iron rotor ring when needed. The average Girodisc 2-piece rotor is approx 2kg lighter per rotor then the stock units. This reduction in rotational and unsprung weight allows for quicker acceleration and suspension response.
Key Features
- 2-Piece Floating construction – only the iron ring is replaced when worn
- Curved Vane vented ring
- Straight Slotted surface
Specifications
| Spec | Value |
|---|---|
| Brand | GiroDisc |
| Part number | A1-045SL |
| Product | 2-Piece Rotor Assembly |
| Axle | Front |
| Side | Left |
| Disc diameter | 326 mm |
| Disc thickness (new) | 30 mm |
| Minimum thickness | 28 mm |
| Disc height | 51 mm |
| Construction | 2-Piece Floating |
| Vane type | Curved Vane |
| Ventilation | Vented |
| Disc surface | Straight Slotted |
| Coating | Not Coated (Bare Iron) |
| Material | Cast Iron |
| Package contents | 1x Brake Disc |
| Replacement ring | D1-045SL |
| Package weight | 8.5 kg |
Fitment
| Make | Model | Body / chassis | Engines | OE brake system | Axle |
|---|---|---|---|---|---|
| Mercedes-Benz | A-Class (3rd Gen) | Hatchback (W176) 2012-2018 | A220 2.0 Turbo 2014-2018; A220D 2.1 TD 2012-2018; A250 2.0 Turbo 2012-2018 | (Sport) | Front |
| Mercedes-Benz | B-Class (1st Gen) | MPV (W245) 2005-2011 | B200 2.0 Turbo 2005-2010 | Front: TRW | Front |
| Mercedes-Benz | B-Class (2nd Gen) | MPV (W246) 2011-2018 | B200D 1.8 TD 2011-2014; B220D 2.1 TD 2012-2018; B250 2.0 Turbo 2012-2018 | Front: TRW (Sport) | Front |
| Mercedes-Benz | B-Class (2nd Gen) | MPV (W246) 2011-2018 | B200D 2.1 TD 2014-2018 | (Sport) | Front |
| Mercedes-Benz | B-Class (2nd Gen) | MPV (W246) 2011-2018 | B250 2.0 Turbo 2012-2018 | Front: TRW | Front |
| Mercedes-Benz | CLA-Class (1st Gen) | Coupe (C117) 2013-2019 | CLA220 4-Matic 2.0 Turbo 2016-2019; CLA250 2.0 Turbo 2013-2019; CLA250 4-Matic 2.0 Turbo 2013-2019 | Front: TRW / Rear: TRW | Front |
| Mercedes-Benz | CLA-Class (1st Gen) | Coupe (C117) 2013-2019 | CLA220 4-Matic 2.0 Turbo 2016-2019; CLA250 2.0 Turbo 2013-2019; CLA250 4-Matic 2.0 Turbo 2013-2019 | Front: TRW / Rear: TRW (Sport) | Front |
| Mercedes-Benz | CLA-Class (1st Gen) | Coupe (C117) 2013-2019 | CLA220D 2.1 TD 2014-2019; CLA220D 4-Matic 2.1 TD 2014-2019 | Front: TRW (Sport) | Front |
| Mercedes-Benz | CLA-Class (1st Gen) | Coupe (C117) 2013-2019 | CLA220D 4-Matic 2.1 TD 2014-2019 | Front: TRW | Front |
| Mercedes-Benz | CLA-Class (1st Gen) | Wagon (X117) 2015-2019 | CLA220 Shooting Brake 4-Matic 2.0 Turbo 2016-2019 | Front: TRW / Rear: TRW | Front |
| Mercedes-Benz | CLA-Class (1st Gen) | Wagon (X117) 2015-2019 | CLA220D Shooting Brake 2.1 TD 2013-2019; CLA220D Shooting Brake 4-Matic 2.1 TD 2013-2019; CLA250 Shooting Brake 2.0 Turbo 2013-2019; CLA250 Shooting Brake 4-Matic 2.0 Turbo 2013-2019 | Front: TRW | Front |
| Mercedes-Benz | CLA-Class (1st Gen) | Wagon (X117) 2015-2019 | CLA250 Shooting Brake 2.0 Turbo 2013-2019 | Front: TRW (Sport) | Front |
| Mercedes-Benz | GLA-Class (1st Gen) | SUV (X156) 2013-2020 | GLA220D 4-Matic 2.1 TD 2013-2020 | Front: TRW / Rear: (AMG Line) | Front |
| Mercedes-Benz | GLA-Class (1st Gen) | SUV (X156) 2013-2020 | GLA250 2.0 Turbo 2013-2020; GLA250 4-Matic 2.0 Turbo 2013-2020 | – | Front |
| Mercedes-Benz | GLA-Class (1st Gen) | SUV (X156) 2013-2020 | GLA250 4-Matic 2.0 Turbo 2013-2020 | (AMG Line) | Front |
Notes:
- These GiroDisc front rotors are provided with caliper spacers and longer bolts to accommodate the larger 326mm rotor vs the smaller sized 320mm OE rotor.
Vehicle Compatibility
| Brand | Model | Generation / Chassis | Engine |
|---|---|---|---|
| Mercedes-Benz | A-Class | W176 | - |
| Mercedes-Benz | B-Class | W245 | - |
| Mercedes-Benz | CLA-Class | C117 | - |
| Mercedes-Benz | GLA-Class | X156 | - |
GiroDisc Rotor Assembly Front Left – Mercedes-Benz A-Class (A1-045SL)
Tags: RS-GD-A1-045SL,