Door Brake Mercedes R170 W210 Check Strap Front Left Right N/O/S A2107200116

Door Brake Mercedes R170 W210 Check Strap Front Left Right is an original component from the Doors and door panels group, designed for use in the front body section on either the driver or passenger side. This used check strap ensures controlled door opening, stabilizes their position, and protects the hinges and door skin from excessive stress.

Specifications and technical data

• SKU: A2107200116-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2107200116
• Substitutable numbers: A2107200116, A 210 720 01 16, A2027200216, A 202 720 02 16
• Location on the vehicle: Front, Left, Right
• Category: Doors & Door Skins

Purpose and function of the door check strap

The door check strap in Mercedes models is responsible for the smooth movement of the door leaf and for holding it in several stable positions while opening. This component:

• prevents the door from opening too wide and damaging the hinges,
• reduces stress on the door panels and the pillar,
• improves user comfort – the door does not "swing" in the wind or on an incline,
• reduces noise and uncontrolled slamming when opening.

As a result, replacing a worn-out check strap with a functional one restores proper door operation and relieves stress on the body's structural components.

Vehicle placement and compatibility

The presented check strap is designed for installation on the front axle of the body, on both the left and right sides. This solution simplifies part selection during service – one type of component can serve both sides of the vehicle in a given model, which is particularly practical when replacing check straps on both the driver and passenger sides simultaneously.

The component belongs to the Doors and door panels group, meaning it works directly with the door structure, hinges, and pillar mounts. When selecting, it is worth paying attention to compatibility with the specific body version and vehicle model year, as well as the fitment to factory mounting points.

Characteristics of the used component

The offered check strap is a used part, sourced from dismantling. This type of component, while maintaining mechanical efficiency, represents a cost-effective service solution:

• retains the original geometry and operating method intended by the manufacturer,
• enables economical repair of the door opening system,
• allows for maintaining structural consistency with other body elements.

Before installation, it is recommended to perform a standard inspection of the mounting points in the door and pillar, as well as verify the condition of the bolts and bushings to ensure quiet and stable operation of the entire assembly.

Benefits of using an original check strap

Using an original check strap in Mercedes cars translates into a number of practical operational benefits:

• reliable door guidance throughout the full range of opening,
• reduced risk of sheet metal deformation and paint damage during sudden opening,
• more predictable door behavior in daily use,
• maintenance of the factory operating characteristics of the mechanism.

For workshops and individual users, this means a stable repair result and a reduction in the need for re-adjustments or additional interventions in the door structure.

Expanding repairs within the Mercedes door area

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as skins, reinforcements, or mounting hardware, check out the available parts in the Mercedes Doors and door panels category.

If you are also considering refreshing the look of your car, including replacing or refurbishing alloy wheels, you will find practical tips in the article Used wheels like new: a guide to buying and refurbishing alloy wheels, which will help you plan aesthetic work in parallel with servicing door components.