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How to Add Keyless Go Entry System to Mercedes E / S / GLS / GLA / GLC / GLE

Aug 24,2017

Keyless go entry system enable user to lock / unlock the car by simply touching the handgrip, the driver is immediately recognized when he approaches the vehicle and the matching RFID transponder which is integrated into the car key or a security token resides in the range of the car.

This article will instruct you how to install a keyless go entry system to Mercedes.


Available car model:

Mercedes E / S / CLS / GLA / GLC / GLE Class


(>>>more product details at here: Mercedes Benz Keyless Go Comfort Entry System)


Take off the speaker to remove the door sheet

How to Add Keyless Go Entry System to Mercedes


Release the screw

How to Add Keyless Go Entry System to Mercedes


Remove the door sheet, remember to separate the cables

How to Add Keyless Go Entry System to Mercedes


Release the hidden screw of door, so that easy to take down and replace the small cover of handle

How to Add Keyless Go Entry System to Mercedes


Take down the small cover

How to Add Keyless Go Entry System to Mercedes


Take down and replace the door handle and small cover

How to Add Keyless Go Entry System to Mercedes


Reset the door handle

How to Add Keyless Go Entry System to Mercedes


Connect handle cables and extension harness through the silicon seal

How to Add Keyless Go Entry System to Mercedes


Install the antenna on the rear left side passenger door, hardness we call it hardness 1 here.

How to Add Keyless Go Entry System to Mercedes


Connect antenna cables and extension hardness through the silicon seal, this extension harness we call it harness 2 here.

How to Add Keyless Go Entry System to Mercedes

How to Add Keyless Go Entry System to Mercedes


Take out te CANBUS BOX which on the left side of trunk

How to Add Keyless Go Entry System to Mercedes

How to Add Keyless Go Entry System to Mercedes


Running harness 1 and harness 2 to the CANBUS box, plug and play them as below PINs definition shows

How to Add Keyless Go Entry System to Mercedes


Door handle pin definition

How to Add Keyless Go Entry System to Mercedes

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