Description
Mercedes A150 W169 Brake Caliper Front Left N/S is an original braking system component designed for installation on the front axle on the driver’s side. Thanks to its factory origin from Mercedes, it ensures a proper fit with the hub, brake disc, and carrier, which translates into stable braking system operation and predictable vehicle behavior during braking.
Specifications and technical data
- SKU: A1694200383
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A1694200383
- Substitutable numbers: A1694200383, A 169 420 03 83
- Location on the vehicle: Front, Left
- Category: Calipers & Brackets
Purpose and fitment
The presented caliper has been designed specifically for the Mercedes A150 W169 model, taking into account the suspension geometry and the characteristics of the factory braking system. The placement on the vehicle is the front left side, which is crucial when selecting parts to maintain the correct distribution of braking force and compatibility with the brake line and steering knuckle mounts.
The original design of the caliper allows for seamless cooperation with the stock brake discs and pads used in this model. As a result, installation is straightforward, and after replacement, it is possible to properly bleed the system and set the braking force without the need to modify other components.
Construction and performance parameters
The caliper belongs to the Brake calipers and carriers group, meaning it is responsible for both generating the clamping force of the pads against the disc and for the stable guidance of the pads in the carrier. The construction is intended for operation in high temperatures and under variable loads, typical for urban and extra-urban driving.
Key performance features of this component include:
- factory fitment for the front left axle,
- maintenance of correct geometry relative to the brake disc,
- possibility of re-installation using standard brake lines and mounts,
- construction prepared for cooperation with the stock Mercedes braking system.
Thanks to these properties, the caliper allows for the restoration of proper braking system operation after failure, wear, or damage to the previous component.
Condition and practical application
The item comes from a used vehicle, making it an attractive solution for users looking for an economical yet factory-compliant spare part. A used brake caliper is particularly useful in situations where a quick replacement of a damaged component is necessary while maintaining reasonable service costs.
In practice, the installation of this caliper is recommended in the case of:
- mechanical damage to the existing caliper (body cracks, damaged mounts),
- excessive corrosion preventing the proper operation of the piston or guide pins,
- uneven braking on the left side of the front axle when the diagnosis points to a problem with the caliper.
Selection support and purchase safety
Selecting the right brake caliper for a specific Mercedes version requires attention to the installation side, body type, and braking system configuration. In case of doubt, it is worth using a guide describing how to safely buy used braking system components – you can find a detailed checklist in the article Second-hand braking system: how to safely select discs, calipers, and ABS?, which helps to verify the condition of the part before installation.
Expanding the braking system in a Mercedes
If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other components from the same group, such as additional calipers, carriers, or brackets, check the available parts in the Mercedes brake calipers and carriers category.
Choosing components from the same design group allows for maintaining the technical consistency of the entire system, which translates into stable braking, even pad wear, and predictable vehicle behavior in emergency situations.





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