Becker 4602 install - Mercedes-Benz Forum
 
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#1 (permalink) Old 09-09-2007, 08:50 PM
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Becker 4602 install

I searched the forum fro anyone who installed this head unit as a direct replacement and found nothing specific. Has anyone installed this head unit in a genII W126? And was it a direct replacement and how did it work? I am very tempted to buy it from Becker adn install becaus it looks like a direct replacement but wanted to check with you all first.
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#2 (permalink) Old 09-09-2007, 10:20 PM
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I have been told by the Becker people it is a direct plug-compatible unit, but kept mine original. Their contact is beckerautosound.com if you want to speak with them. I may buy one and put it on the shelf in case my original unit dies with no repair option.

Dave
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#3 (permalink) Old 09-10-2007, 08:07 AM
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Just got off the phone with Becker and the tech clarified a few things. He said the web page should say a direct "fit" not direct replacement. The install requires $95 harness that bypasses the receiver in the trunk but other than that it works with no other modifications. Not sure if I want to sink $550 bucks to just keep the system basically original or just go all aftermarket and replace all the speakers and the head unit. Hmmmmm??? what to do???
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#4 (permalink) Old 09-10-2007, 09:12 AM
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It all depends on where you want to go with your audio system.

Keeping it all Becker is, as you pointed out 'basically original' however for the money you could do much better in terms of function and sound quality.

- Steve

- Steve
1989 560SEC AMG Euro / 1992 BMW 735iL
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#5 (permalink) Old 09-10-2007, 10:02 AM
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You could look at it this way; $550 won't get you very far if you decide to replace the OEM system considering you'll need:
- New Head Unit
- New speakers (Becker has 2 Ohm. speakers, modern gear is 4 Ohm.)
- New amplifier (optional)
- New wiring

The last one is the biggest variable. If you want new wiring done properly it is a 20 hour job and requires at least 50 ft. of speaker wire. You could take your chances and hand it over to someone who offers "free" installation when you buy the components, but I would caution against that.

Regards,
Axel

1990 SEC, Arctic White w/gray interior, M119.960 326 Hp. engine from 1992 500 SL, 722.370 transmission from 500E (reinforced clutches), 2:82 Differential, Euro Headlamps, 1st Gear Start module, One-Touch Window module and Keyless Entry module all from BergWerks, Bilstein HD Shocks on front axle, H&R lowering springs front and rear, AMG 3-piece 17" rims, 8.5" in the front and 10" at the rear.

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#6 (permalink) Old 09-10-2007, 10:24 AM
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Damn.. i didn't know that the favtory beckers are 2 ohm. I installed an aftrmarket alpine head and an alpine 2ch amp. Bypassed the factory amps and tapped in to the orginal wiring (I know not the best). But damn that alpine I have must be a champ cause I'm runing 3 speakers per chanel (front dash, door & rear shelf). That must be droping me to arond .5ohm on the amp which if I remember is only 2ohm stable. Had it for bout 2yrs no problems. Cost me if I remember bout +-$300 and some for wiring etc..
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#7 (permalink) Old 09-10-2007, 01:21 PM
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Quote:
Originally Posted by pesho
Damn.. i didn't know that the favtory beckers are 2 ohm. I installed an aftrmarket alpine head and an alpine 2ch amp. Bypassed the factory amps and tapped in to the orginal wiring (I know not the best). But damn that alpine I have must be a champ cause I'm runing 3 speakers per chanel (front dash, door & rear shelf). That must be droping me to arond .5ohm on the amp which if I remember is only 2ohm stable. Had it for bout 2yrs no problems. Cost me if I remember bout +-$300 and some for wiring etc..
Great to hear your amp held up under those loads. I do think you're shortening its lifespan though.

Not all Becker speakers are 2 Ohm. Someone posted a picture of an OEM Bekcer speaker from their car which was 6 Ohm. Depends on the year/model of your car I guess.

However, cjscopp's car is listed as a 1991 and for that year all speakers in US cars were 2 Ohm.

Regards,
Axel

1990 SEC, Arctic White w/gray interior, M119.960 326 Hp. engine from 1992 500 SL, 722.370 transmission from 500E (reinforced clutches), 2:82 Differential, Euro Headlamps, 1st Gear Start module, One-Touch Window module and Keyless Entry module all from BergWerks, Bilstein HD Shocks on front axle, H&R lowering springs front and rear, AMG 3-piece 17" rims, 8.5" in the front and 10" at the rear.

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#8 (permalink) Old 09-10-2007, 01:37 PM
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That was my car with the 6ohm rear speaker!

It has no amps behind the rear seats either, all driven from the head unit/fader.

- Steve

- Steve
1989 560SEC AMG Euro / 1992 BMW 735iL
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#9 (permalink) Old 09-10-2007, 02:33 PM
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I guess I'm just a little anal about a new head unit. I really like the fact that the 4602 Says Mercedes Benz on it and it looks factory. However it is pricey and I would have to wait and see how the existing speakers would sound and maybe have to replace them too. When all is said and done I'm sure I'd be in way more than just biting the bullet and getting an aftermarked head unit and new speakers and wiring it up separate from the existing amps and wiring. Guess I'll have to sleep on it a while.
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