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Your Vehicle 1972 Mercedes Benz 300SEL Base V8 4.5L

APR MQB ECU/TCU Software and Performance Access

APR is solely dedicated to engineer only the highest quality tuning solutions for Volkswagen/Audi ensuring the enthusiast the ultimate driving experience while consistently providing the enthusiast the ultimate in customer care and support. 


APR Power!

For your VW/Audi MQB Engine Equip Vehicles

Carbon Fiber Intake System
Looks as good as it performs!
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CARB certified for sale in all 50 states
Brand: APR - Corporate Logo
ES#: 2770849
Mfg#: CI100033
EO#: d-783-2

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Availability:
Ships on Jun 24, 2026
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11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$633.99
$562.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Turbo Muffler Delete
Replace the factory turbo muffler with a straight, uninterrupted billet aluminum delete
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Brand: APR - Corporate Logo
ES#: 2792807
Mfg#: MS100097

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In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$125.95
$111.95 USD
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This product is lifetime replacement eligible Lifetime Replacement
Silicone Turbo Outlet Hose
APR Silicone Boost Hoses are a comprehensive, direct replacement upgrade
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Brand: APR - Corporate Logo
ES#: 2997010
Mfg#: MS100112

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Availability:
Ships in 4 Business Days
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$51.99
$46.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Silicone throttle Body Hose
APR Silicone Boost Hoses are a comprehensive, direct replacement upgrade
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand: APR - Corporate Logo
ES#: 2997011
Mfg#: MS100113

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In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$63.99
$56.99 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
APR Solid Shifter Cable Bracket
Shift with confidence with a solid and direct feel
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Brand: APR - Corporate Logo
ES#: 2795995
Mfg#: MS100084

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In Stock
11% off MSRP

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$241.99
$214.99 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Adjustable Short Shift Kit For 6-Speed Manual Transmissions
Featuring adjustable counterweights and levers
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Brand: APR - Corporate Logo
ES#: 2996477
Mfg#: MS100103

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In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$431.95
$383.95 USD
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on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Short shift Primary Lever Kit
Adjustable primary shift lever kit for fine tuning front-to-back shifting characteristics
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Brand: APR - Corporate Logo
ES#: 2996478
Mfg#: MS100119

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Availability:
Ships in 4 Business Days
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$316.99
$280.99 USD
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Short Shift Kit Relay Lever
Adjustable primary shift lever kit for fine tuning side-to-side shifting characteristics
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Brand: APR - Corporate Logo
ES#: 2996479
Mfg#: MS100120

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Availability:
Ships in 5 Business Days
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$184.99
$163.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Aluminum Rear Wiper Delete Plug
Covers the hole in rear glass when removing rear wiper arm
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Brand: APR - Corporate Logo
ES#: 2999262
Mfg#: MS100110

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Availability:
Ships in 5 Business Days
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$51.99
$46.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
APR Spherical Pendulum Mount Upgrade
Keep your tires planted!
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Brand: APR - Corporate Logo
ES#: 3537620
Mfg#: MS100140

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In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$402.99
$357.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
APR Spherical Pendulum Mount Upgrade
Stiffens the driveline to improve shift quality and power transition - For your 7-Speed DSG/S-Tronic (DQ381)
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Brand: APR - Corporate Logo
ES#: 3618818
Mfg#: MS100180

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Availability:
In Stock
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$402.99
$357.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Dogbone Bushing Insert (Version 1 - Early)
Experience crisper shifts and a smoother driving experience.
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Brand: APR - Corporate Logo
ES#: 3537626
Mfg#: MS100141

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Availability:
Ships in 8 Business Days
10% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$97.99
$87.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
Mechanical Boost Gauge System - Red - (NO LONGER AVAILABLE)
Complete kit to read boost. Requires boost tap sold separately.
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Brand: APR - Corporate Logo
ES#: 3638549
Mfg#: MS100147
No longer available
Mechanical Boost Gauge System - Blue
Complete kit to read boost. Requires boost tap sold separately.
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand: APR - Corporate Logo
ES#: 3638551
Mfg#: MS100148

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Availability:
Ships in 2 Business Days
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.


$316.99
$280.99 USD
Free Shipping Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
19" A01 Flow Formed Wheels - Set Of Four
19"x8.5" ET45 5x112 - Hyper Silver
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Brand: APR - Corporate Logo
ES#: 3537669
Mfg#: WHL00001KT

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Availability:
Back Ordered
$1535.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
19" A01 Flow Formed Wheels - Set Of Four
19"x8.5" ET45 5x112 - Gunmetal Gray
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand: APR - Corporate Logo
ES#: 3537660
Mfg#: WHL00002KT

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Availability:
Back Ordered
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$1535.99 USD
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This product is lifetime replacement eligible Lifetime Replacement
20" S01 Forged Wheels - Set Of Four - (NO LONGER AVAILABLE)
20"x9" ET42 5x112 - Brushed Gunmetal
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand: APR - Corporate Logo
ES#: 3580557
Mfg#: WHL00007KT
No longer available
Stage 1 Performance Software Upgrade
This upgrade can only be performed with the car at ECS Tuning's location in Ohio
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand: APR - Corporate Logo
ES#: 2823175
Mfg#: MQB18TSTG1KT

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Availability:
In Stock
$499.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Stage 2 Performance Software Upgrade (Existing Customer) - (NO LONGER AVAILABLE)
At this time the ECU upgrade can only be performed with the car at ECS Tuning location in Ohio
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand: APR - Corporate Logo
ES#: 2918276
Mfg#: MK718TSTG2KT1
No longer available
Stage 2 Performance Software Upgrade (New Customer) - (NO LONGER AVAILABLE)
At this time the ECU upgrade can only be performed with the car at ECS Tuning location in Ohio
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand: APR - Corporate Logo
ES#: 2808793
Mfg#: MK718TSTG2KT
No longer available
Stage 1 Software Upgrade
This upgrade can only be performed with the car at ECS Tuning's location in Ohio
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
321hp/351ft-lbs (93 Octane) --- 313hp/340ft-lbs (91 Octane). This upgrade must be performed at ECS Tuning
Brand: APR - Corporate Logo
ES#: 2770865
Mfg#: MK7GTISTG1KT

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Availability:
In Stock
$549.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Stage 2 Software Upgrade (Existing Customer) - (NO LONGER AVAILABLE)
At this time the 2.0T ECU upgrades can only be performed with the car at ECS Tuning location in Ohio
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
We cannot flash ecu without having the car at our facility.
Brand: APR - Corporate Logo
ES#: 2918225
Mfg#: MK7GTISTG1KT1
No longer available
Stage 2 Software Upgrade (New Customer) - (NO LONGER AVAILABLE)
At this time the 2.0T ECU upgrades can only be performed with the car at ECS Tuning location in Ohio
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
We cannot flash ecu without having the car at our facility.
Brand: APR - Corporate Logo
ES#: 2918267
Mfg#: MK7GTISTG1KT2
No longer available
Stage 1 Performance Software Upgrade
At this time the ECU upgrade can only be performed with the car at ECS Tuning location in Ohio
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade must be performed at ECS Tuning's facility in Ohio.
Brand: APR - Corporate Logo
ES#: 2855988
Mfg#: MKVIIRSTG1KT

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Availability:
In Stock
$499.99 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Stage 2 Performance Software Upgrade (Existing Customer) - (NO LONGER AVAILABLE)
At this time the ECU upgrade can only be performed with the car at ECS Tuning location in Ohio
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand: APR - Corporate Logo
ES#: 2918116
Mfg#: MKVIIRSTG2KT
No longer available
Stage 2 Performance Software Upgrade (New Customer) - (NO LONGER AVAILABLE)
At this time the ECU upgrade can only be performed with the car at ECS Tuning location in Ohio
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand: APR - Corporate Logo
ES#: 2918222
Mfg#: MKVIIRSTG2KT1
No longer available
DQ250 DSG performance software Upgrade
Improves upon the DQ250 transmission’s function, drivability, and performance through a myriad of enhancement and custom features.
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
This upgrade requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the ne
Brand: APR - Corporate Logo
ES#: 2960798
Mfg#: DQ250MQB20T

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Availability:
In Stock
$499.95 USD
This product is lifetime replacement eligible Lifetime Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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