---
product_id: 335908310
title: "SMARTISAN Keyless Go Ignition Starter Button Switch Push to Start Stop Button for Mercedes-Benz C250 C300 E350 GL350 GL450 ML350 S550 SL500 and more"
brand: "pop relax"
price: "£22.88"
currency: GBP
in_stock: true
reviews_count: 7
category: "Pop Relax"
url: https://www.desertcart.co.uk/products/335908310-smartisan-keyless-go-ignition-starter-button-switch-push-to-start
store_origin: GB
region: United Kingdom
---

# Seamless Keyless Go integration OEM-grade precision fit 100% quality inspected SMARTISAN Keyless Go Ignition Starter Button Switch Push to Start Stop Button for Mercedes-Benz C250 C300 E350 GL350 GL450 ML350 S550 SL500 and more

**Brand:** pop relax
**Price:** £22.88
**Availability:** ✅ In Stock

## Summary

> 🔑 Start Smart, Drive Smarter — Upgrade Your Ride’s Heartbeat

## Quick Answers

- **What is this?** SMARTISAN Keyless Go Ignition Starter Button Switch Push to Start Stop Button for Mercedes-Benz C250 C300 E350 GL350 GL450 ML350 S550 SL500 and more by pop relax
- **How much does it cost?** £22.88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/335908310-smartisan-keyless-go-ignition-starter-button-switch-push-to-start)

## Best For

- pop relax enthusiasts

## Why This Product

- Trusted pop relax brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Wide Model Coverage:** Fits top Mercedes models from 2010 and up, including C250, E350, S550, and more.
- • **Sleek, Compact Design:** Minimalist 3.48 x 3.48 x 2.64 cm size blends seamlessly with your luxury interior.
- • **Perfect OEM Compatibility:** Engineered to match original part numbers for flawless fit and function.
- • **Premium Quality Assurance:** Each button undergoes rigorous inspection to guarantee reliability and durability.
- • **Effortless Keyless Ignition:** Push to start your Mercedes-Benz with zero hassle and maximum style.

## Overview

The SMARTISAN POP RELAX Keyless Go Ignition Starter Button is a high-quality, OEM-compatible replacement designed specifically for Mercedes-Benz models equipped with Keyless Go technology from 2010 onward. Compact and precision-engineered, it ensures a flawless fit and reliable push-to-start functionality, backed by 100% factory quality inspection.

## Description

Compatible with Mercedes Benz: 2010-2017 C250 2008-2017 C300 2010-2014 CL550 2013-2017 CLA250 2010-2014 CLS350 2010-2016 E350 2010-2016 GL350 2010-2016 GL450 2014-2017 GLA250 2016-2017 GLE350 2010-2015 ML350 2010-2017 S550 2013-2017 SL500 2010-2016 SLK200 2010-2016 SLK350 Part Number(OEM): A221545071464/ 2215450714/ 2215450514/ 33161207 The ignition push button is only for those vechicles which are equipped with Keyless Go/ Start(option code 889) Caution: 1. Not compatible with 2011 Mercedes-Benz C300 Sport Sedan 4-Door 3.0L 2996CC 183Cu. In. V6 GAS DOHC Naturally Aspirated. 2. Not compatible with 2014 Mercedes-Benz CLA250 Base Sedan 4-Door 2.0L 1991CC 121Cu. In. l4 GAS DOHC Turbocharged.

Review: Good - Very good
Review: Poor quality - I returned it

## Features

- Replace scratched, worn ignition switch with brand new high quality replacement
- Part Number Fitment(OEM): A221545071464, 2215450714, 2215450514, 33161207
- 100% quality inspected before shipment
- For Mercedes-Benz C250 C300 E350 GL350 GL450 ML350 S550 SL500 Year 2010 and Up
- Part Number(OEM): 2215450714, 2215450514, 33161207
- Fits most of Mercedes Benz vehicles, please check desription for details.
- The ignition starter switch is only for those Mercedes vehicles which are equipped with Keyless Go/Start technology
- 100% quality inspected before shipment in factory, equal to original part
- The ignition push button switch is only for vehicles with Keyless go/ start (option code 889)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B091S4PM82 |
| Actuator Type | Push Button |
| Best Sellers Rank | #94,271 in Automotive ( See Top 100 in Automotive ) #257 in Car Interior Switches |
| Brand Name | POP RELAX |
| Circuit Type | 1-way |
| Color | Silver |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Plug In |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Control Method | Touch |
| Controller Type | Push Button |
| Current Rating | 10 Amps |
| Customer Reviews | 3.8 3.8 out of 5 stars (277) |
| International Protection Rating | IP00 |
| Item Dimensions | 35 x 421 x 25 millimeters |
| Item Weight | 0.23 Ounces |
| Manufacturer | SMARTISAN |
| Material Type | Acrylonitrile Butadiene Styrene |
| Mounting Type | Snap In Mount |
| Number of Items | 1 |
| Number of Positions | 2 |
| Operating Voltage | 12 Volts |
| Operation Mode | manual |
| Specification Met | OEM |
| Switch Type | Ignition Switch |
| Terminal | Button |
| UPC | 663580534046 782123650705 |
| Unit Count | 1 Count |

## Product Details

- **Connector type:** Plug In
- **Contact type:** Normally Open
- **Current rating:** 10 Amps
- **Operating voltage:** 12 Volts
- **Operation mode:** manual

## Images

![SMARTISAN Keyless Go Ignition Starter Button Switch Push to Start Stop Button for Mercedes-Benz C250 C300 E350 GL350 GL450 ML350 S550 SL500 and more - Image 1](https://m.media-amazon.com/images/I/51wy9QacXFL.jpg)

## Questions & Answers

**Q: Does this button work for all mentioned MB vehicles?**
A: For certain base models, customers need to purchase the Premium Package in order to get Keyless Go/ Start function. The button will only work if the vehicle has Keyless Go/ Start

**Q: Is there an easy way to sure my MB has Keyless Go/ Start?**
A: Method 1.: With your key in your pocket, simply grip the door handle naturally. The car should unlock. Method 2.: Decoding your VIN online to check if have 889 option or 893 option

**Q: Why it shows "Damaged Key" while using the button.**
A: 1. Please sure you are using Original Key and your vehicle has Keyless Go/ Start option. 2. The key battery is low, please change the key battery.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by D***A on 10 November 2023*

Very good

### ⭐ Poor quality
*by H***M on 8 May 2024*

I returned it

### ⭐⭐⭐⭐⭐ Review
*by �***T on 12 February 2026*

Direct fit replacement that restored push-start functionality. Clean appearance and easy installation. Works smoothly without lag.

## Frequently Bought Together

- Keyless Go Ignition Button Switch Push to Start Stop Engine for Mercedes-Benz C250 C300 E350 GL350 GL450 ML350 S550 SL500 and More
- MAXDOOL Interior Auto Start Engine Ignition Button Key Knobs Decals Stickers Emblem Accessories Silver Compatible for Mercedes Benz AMG A B E CLA GLE ML GL Class (35mm Start Engine Button Cover)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.uk/products/335908310-smartisan-keyless-go-ignition-starter-button-switch-push-to-start](https://www.desertcart.co.uk/products/335908310-smartisan-keyless-go-ignition-starter-button-switch-push-to-start)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-16*