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2020-2023 Mercedes-Benz CLS Class Smartphone Viper GPS SmartStart System

Brand: Viper
Product Code: SKS-CLS-257-GPS
Stock: 5
UPC: SKSNG213
MPN: SKS-CLS-257-GPS
Location: Cleveland, OH

2020–2023 Mercedes-Benz CLS Class remote start with VSM550 Pro SmartStart included. $1,599.99 professionally installed in Cleveland. A working extra factory key must be supplied. No ignition-switch modification required. Not compatible with hybrid vehicles. Cellular service is separate.

Price: $1,599.99

MERCEDES-BENZ CLS CLASS • 2020–2023

Start Your CLS Class From Your Phone or Factory Key.

VSM550 Pro included. KeylessGo push-to-start only. Professionally installed in Cleveland, Ohio.

Remote start your 2020–2023 Mercedes-Benz CLS Class from your smartphone or with the factory key you already carry. The included VSM550 Pro provides virtually unlimited cellular range from virtually anywhere in the world with an active service plan, phone internet access and compatible vehicle cellular coverage. Give the cabin time to warm up during a Cleveland winter or begin cooling before a summer drive, with temperature-based control of compatible factory comfort features.

FACTORY KEY CONTROL

Panic button or lock-unlock-lock activation.

AUTOMATIC COMFORT

Temperature-based heated seat and defroster activation.

INSTALLATION INCLUDED

$1,599.99 at our Cleveland shop.

Designed Around Your Mercedes-Benz

  • 100% plug-and-play integration: Vehicle-specific connections designed to integrate with your Mercedes-Benz factory electronics.
  • Extended-range flexibility: Compatible Directed RF remotes can be added for greater range. Ask us to confirm remote and interface compatibility; additional equipment is separate.
  • Anti-theft / anti-carjacking capability: Smartphone operation requires a compatible SmartStart interface and active service. Ask us to explain the feature and vehicle-specific limitations at installation.
  • Factory-key operation: Activate remote start using the Panic button or lock-unlock-lock sequence on your existing fob.
  • Heated seats: Automatically activate compatible OEM heated seats based on a programmable outside-temperature threshold.
  • Rear defroster: Automatically activates at an outside temperature of 32°F.
  • Convenient programming: Steering-wheel controls let you adjust supported settings including run time, number of starts, heated-seat temperature threshold and light flashes.
  • SmartStart included: VSM550 Pro cellular smartphone interface, with available 2-way confirmation, vehicle status, GPS location and alarm notifications depending on your plan and compatible equipment.

Comfort functions require the corresponding factory equipment. Available controls and notifications depend on the vehicle configuration, installed hardware and selected service plan. Factory-key range depends on your original remote and surroundings.

Your Installed Remote Start Package

$1,599.99 Installed

Includes the SKS-CLS-257-GPS remote start system, VSM550 Pro cellular interface, required harnesses, programming and professional installation. SmartStart cellular service is separate. Operates with your existing factory key fob; additional handheld remotes are not included. A working spare factory key must be supplied by you.

Compare SmartStart Service Plans

Service is separate from the $1,599.99 installed package. After the free Basic year, choose Secure or GPS Premium to continue cellular service.

FeaturesBasic
Free first year
Eligible new activations
Secure
$6.99/mo
$69.99/yr prepaid
$169.99 / 3-year prepaid
GPS Premium
$11.99/mo
$119.99/yr prepaid
$299.99 / 3-year prepaid
App commands
1-way commands✓——
2-way commands—✓✓
Vehicle control
Lock / Unlock / Trunk✓✓✓
Remote Start✓✓✓
Panic✓✓✓
Runtime Remaining—✓✓
Auxiliary Commands—✓✓
Vehicle status
Doors and Locks—✓✓
Ignition and Engine—✓✓
Security—✓✓
Trunk and Hood—✓✓
Real-time alerts
Security Alarm—✓✓
Lockdown / Tow——✓
Low Battery——✓
Speed——✓
SmartFence (Geofence)——2
Harsh Acceleration———
Curfew———
Idle———
Impact Detection———
GPS
GPS Monitoring——✓
Hybrid & Street Map Views——✓
Vehicle Location Sharing——✓
Map to Vehicle Directions——✓
Trip History with Breadcrumbs———
Other benefits
SmartSchedule—✓✓
Check Engine Codes—✓✓
Free Roadside Assistance—✓✓
Multiple User Support—✓✓
User-Specific Alert Profiles—✓✓
Real-Time Status—✓✓
Cabin Temperature—✓✓
Extend Runtime—✓✓
Separate Web Portal———

✓ Included   ·   — Not included. Features depend on vehicle, installed hardware, cellular coverage and service terms. View Viper’s current plan details.

Installation & Warranty

Professionally installed, programmed and tested at Access 1 Alarm & Audio, 10418 Lorain Ave, Cleveland, OH 44111. Includes a 5-year system warranty and installation labor coverage for as long as you own the vehicle. The VSM550 Pro interface has a 1-year warranty. Existing factory keys and cellular service have separate terms.

Frequently Asked Questions

Does this package require ignition-switch modification?

No. Ignition-switch modification is not required for this package. You must supply a working extra factory key dedicated to the installation. This package is not compatible with hybrid vehicles.

Does this work on hybrid vehicles?

No. These remote start packages are not compatible with hybrid vehicles. A working spare factory key must be supplied for supported non-hybrid applications.

Will this work with my 2020-2023 CLS Class?

This package is for compatible 2020-2023 Mercedes-Benz CLS Class vehicles equipped with KeylessGo push-to-start. We confirm your exact vehicle, factory equipment and key compatibility before scheduling.

What if my vehicle does not have push-to-start?

There is currently no solution available from us for this application without KeylessGo push-to-start. This package cannot be installed on a conventional keyed-start vehicle.

Do I need to give up a spare key?

Yes. You must supply a working spare factory key for the installation. That key is dedicated to the remote start installation and will no longer be available as your everyday spare.

How do I activate remote start?

Use the Panic button or the lock-unlock-lock sequence on your factory key fob. We demonstrate the configured activation procedure at pickup. Factory-key range depends on the original remote and surroundings.

How do the heated seats and rear defroster activate?

Compatible factory heated seats activate according to a programmable outside-temperature threshold. The rear defroster activates at an outside temperature of 32°F.

Is VSM550 Pro SmartStart included?

Yes. The $1,599.99 installed package includes the Mercedes-Benz remote start system, VSM550 Pro cellular interface, required harnesses and professional installation. SmartStart service is separate.

Which service plan do I need?

Eligible new activations include the first year of Basic service with 1-way commands. Secure adds 2-way confirmation and other benefits. GPS Premium adds GPS location and alerts. After the free Basic year, choose a paid plan to continue cellular service.

Are fleet and family plans available?

Yes. See the Fleet & Family Plans tab for annual Basic GPS and Premium GPS plans, trip history, alerts, multiple-user support and the separate web portal.

What warranty is included?

The remote start system is covered for 5 years, the VSM550 Pro smartphone interface for 1 year, and installation labor for as long as the original purchaser owns the vehicle.

Viper Small Fleet & Family Plans

Compare two annual plans for compatible VSM550 Pro installations. Each price is prepaid for one year of service, separate from the installed hardware package.

FeaturesBasic GPS
$199.99 prepaid for 1 year
Premium GPS
$299.99 prepaid for 1 year
GPS and trip history
Trip updatesEvery 2 minutesEvery 30 seconds
Trip history retained90 days1 year
GPS monitoring, map views and directions✓✓
Location sharing and trip trails✓✓
SmartFence geofences1010
Vehicle control and status
2-way app commands✓✓
Remote start, lock/unlock, trunk and panic✓✓
Remaining runtime and auxiliary controls✓✓
Door, lock, ignition and security status✓✓
Cabin temperature and runtime extension✓✓
Alerts and other benefits
Alarm, tow, low battery and speed alerts✓✓
Driving event alerts, including curfew and idle✓✓
Scheduling and diagnostic codes✓✓
Multiple users and individual alert profiles✓✓
Separate fleet web portal✓✓
Free roadside assistance✓✓

Features depend on vehicle, installed hardware, cellular coverage and service plan. View Viper’s fleet plan details or call (216) 252-3000 to discuss your vehicles.

Warranty & Return Policy

This KeylessGo push-to-start installation requires a customer-supplied working spare factory key. Please review the coverage, requirements and exclusions below for the 2020–2023 Mercedes-Benz CLS Class SKS-CLS-257-GPS remote start package purchased and professionally installed by Access 1 Alarm & Audio.

Keep your receipt: A valid Access 1 sales receipt or invoice is required for warranty claims and any return, exchange or store credit consideration.

All sales are final. Any exceptions are subject to the conditions below and management’s discretion.

Remote Start System & VSM550 Pro Coverage

The Mercedes-Benz CLS Class SKS-CLS-257-GPS remote start package purchased and professionally installed by Access 1 Alarm & Audio includes:

  • Five (5) years of system warranty coverage.
  • One (1) year of warranty coverage on the VSM550 Pro smartphone interface.
  • Lifetime installation labor warranty, subject to the ownership and installation conditions below.

A valid Access 1 Alarm & Audio sales receipt or invoice documenting your purchase and installation is required. The exclusions and proof-of-purchase requirements below apply.

Lifetime Installation Labor Warranty

Installation labor is warranted for as long as the original purchaser owns the vehicle, provided the installation has not been altered, modified, tampered with, serviced, or repaired by any person or business other than Access 1 Alarm & Audio.

Lifetime labor coverage applies to the installation; it does not extend the five-year system warranty or one-year VSM550 Pro smartphone interface warranty.

Returns and Exchanges

All sales are final. Access 1 Alarm & Audio does not accept returns on over-the-counter purchases.

Products determined by management to have been incorrectly sold, damaged upon receipt, or defective may be eligible for store credit at management’s sole discretion.

Opened, used, installed, programmed, modified, custom ordered, or special-order products are not eligible for return. In certain circumstances, management may authorize store credit for opened merchandise, subject to inspection and a minimum 25% restocking fee.

Proof of Purchase Required

A valid Access 1 Alarm & Audio sales receipt or invoice is required for all warranty claims, labor warranty requests, exchanges, returns, and store credit considerations.

Customers are responsible for retaining their original proof of purchase. Access 1 Alarm & Audio is not responsible for lost, misplaced, damaged, destroyed, or unavailable receipts.

Warranty coverage, labor warranty coverage, exchanges, returns, and any discretionary store credit may be denied if proof of purchase cannot be provided.

Warranty Exclusions

Warranty coverage does not apply to damage resulting from misuse, abuse, improper installation, accidents, neglect, water intrusion, theft, vandalism, fire, collision, electrical system defects, acts of nature, unauthorized repairs, modifications, or tampering after the vehicle leaves Access 1 Alarm & Audio.

Access 1 Alarm & Audio is not responsible for damage caused by other service facilities, vehicle manufacturers, dealerships, body shops, repair shops, or any person performing work on the vehicle after installation.

Manufacturer warranties are subject to the terms and conditions established by the manufacturer and may vary by product.

Requesting Warranty Service

Contact Access 1 Alarm & Audio with your sales receipt or invoice and a description of the concern so we can arrange an inspection and review the applicable coverage.

Call (216) 252-3000 or visit 10418 Lorain Ave, Cleveland, OH 44111.

Warranty policies are subject to change without notice.

Viper SmartStart Video

This overview may show earlier app screens or offers. Use this listing's current service-plan information and confirm current terms at activation.

Audible & Visual Confirmation
Horn Feedback Yes
Parking Lights Control Yes
Comfort & Convenience Controls
Heated Seats Activation No
Rear Window Defogger Activation No
OEM Door Lock & Alarm Controls
Arm Factory Security Yes
Disarm Factory Security Yes
Door Lock Control Yes
Door Unlock Control Yes
Driver Priority Unlock Yes
Trunk / Hatch Release Yes
Factory FOB Control
Control of aftermarket alarm with OEM remote Yes
Transponder & Immobilizer Override
Immobilizer Bypass-Data No Key Required Yes
Integrated Security & Monitoring
Entry Monitoring ALL Door Pins Yes
Entry Monitoring Hood Pin Yes
Entry Monitoring Trunk/Hatch Pin Yes
Function or Feature Status
Brake Status Yes
E-Brake Status Yes
Ignition Status Yes
Remote Start & Engine Controls
3x Lock Start Using OEM FOB N/A
3x Lock Stop Using OEM FOB N/A
OEM Remote Start Activation With RF Kit Yes
Remote Start Takeover Yes
SmartStart Capable Yes
Included Aftermarket Remote Controls (Quanity) No
Included Aftermarket Remote Controls Range N/A
Bluetooth Smartphone Control No
Security Alarm Add-On Availabilty
Siren with security add-on No

Visit our shop

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